diff options
Diffstat (limited to 'system/database')
52 files changed, 2989 insertions, 2187 deletions
diff --git a/system/database/DB.php b/system/database/DB.php index 5c90f44f3..d06ffb40e 100755 --- a/system/database/DB.php +++ b/system/database/DB.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * Initialize the database * @@ -42,17 +40,15 @@ function &DB($params = '', $active_record_override = NULL) if (is_string($params) AND strpos($params, '://') === FALSE) { // Is the config file in the environment folder? - if ( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php')) + if (( ! defined('ENVIRONMENT') OR ! file_exists($file_path = APPPATH.'config/'.ENVIRONMENT.'/database.php')) + AND ! file_exists($file_path = APPPATH.'config/database.php')) { - if ( ! file_exists($file_path = APPPATH.'config/database.php')) - { - show_error('The configuration file database.php does not exist.'); - } + show_error('The configuration file database.php does not exist.'); } include($file_path); - if ( ! isset($db) OR count($db) == 0) + if ( ! isset($db) OR count($db) === 0) { show_error('No database connection settings were found in the database config file.'); } @@ -78,33 +74,32 @@ function &DB($params = '', $active_record_override = NULL) * parameter. DSNs must have this prototype: * $dsn = 'driver://username:password@hostname/database'; */ - if (($dns = @parse_url($params)) === FALSE) { show_error('Invalid DB Connection String'); } $params = array( - 'dbdriver' => $dns['scheme'], - 'hostname' => (isset($dns['host'])) ? rawurldecode($dns['host']) : '', - 'username' => (isset($dns['user'])) ? rawurldecode($dns['user']) : '', - 'password' => (isset($dns['pass'])) ? rawurldecode($dns['pass']) : '', - 'database' => (isset($dns['path'])) ? rawurldecode(substr($dns['path'], 1)) : '' - ); + 'dbdriver' => $dns['scheme'], + 'hostname' => (isset($dns['host'])) ? rawurldecode($dns['host']) : '', + 'port' => (isset($dns['port'])) ? rawurldecode($dns['port']) : '', + 'username' => (isset($dns['user'])) ? rawurldecode($dns['user']) : '', + 'password' => (isset($dns['pass'])) ? rawurldecode($dns['pass']) : '', + 'database' => (isset($dns['path'])) ? rawurldecode(substr($dns['path'], 1)) : '' + ); // were additional config items set? if (isset($dns['query'])) { parse_str($dns['query'], $extra); - foreach ($extra as $key => $val) { // booleans please - if (strtoupper($val) == "TRUE") + if (strtoupper($val) === 'TRUE') { $val = TRUE; } - elseif (strtoupper($val) == "FALSE") + elseif (strtoupper($val) === 'FALSE') { $val = FALSE; } @@ -114,17 +109,15 @@ function &DB($params = '', $active_record_override = NULL) } } - // No DB specified yet? Beat them senseless... + // No DB specified yet? Beat them senseless... if ( ! isset($params['dbdriver']) OR $params['dbdriver'] == '') { show_error('You have not selected a database type to connect to.'); } - // Load the DB classes. Note: Since the active record class is optional + // Load the DB classes. Note: Since the active record class is optional // we need to dynamically create a class that extends proper parent class // based on whether we're using the active record class or not. - // Kudos to Paul for discovering this clever use of eval() - if ($active_record_override !== NULL) { $active_record = $active_record_override; @@ -135,18 +128,14 @@ function &DB($params = '', $active_record_override = NULL) if ( ! isset($active_record) OR $active_record == TRUE) { require_once(BASEPATH.'database/DB_active_rec.php'); - if ( ! class_exists('CI_DB')) { - eval('class CI_DB extends CI_DB_active_record { }'); + class CI_DB extends CI_DB_active_record { } } } - else + elseif ( ! class_exists('CI_DB')) { - if ( ! class_exists('CI_DB')) - { - eval('class CI_DB extends CI_DB_driver { }'); - } + class CI_DB extends CI_DB_driver { } } require_once(BASEPATH.'database/drivers/'.$params['dbdriver'].'/'.$params['dbdriver'].'_driver.php'); @@ -168,7 +157,5 @@ function &DB($params = '', $active_record_override = NULL) return $DB; } - - /* End of file DB.php */ -/* Location: ./system/database/DB.php */
\ No newline at end of file +/* Location: ./system/database/DB.php */ diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php index 1f77e41d7..575f097dd 100644 --- a/system/database/DB_active_rec.php +++ b/system/database/DB_active_rec.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -40,44 +40,44 @@ */ class CI_DB_active_record extends CI_DB_driver { - protected $return_delete_sql = FALSE; - protected $reset_delete_data = FALSE; - + protected $return_delete_sql = FALSE; + protected $reset_delete_data = FALSE; + protected $ar_select = array(); protected $ar_distinct = FALSE; - protected $ar_from = array(); - protected $ar_join = array(); - protected $ar_where = array(); - protected $ar_like = array(); + protected $ar_from = array(); + protected $ar_join = array(); + protected $ar_where = array(); + protected $ar_like = array(); protected $ar_groupby = array(); protected $ar_having = array(); - protected $ar_keys = array(); - protected $ar_limit = FALSE; + protected $ar_keys = array(); + protected $ar_limit = FALSE; protected $ar_offset = FALSE; - protected $ar_order = FALSE; + protected $ar_order = FALSE; protected $ar_orderby = array(); - protected $ar_set = array(); + protected $ar_set = array(); protected $ar_wherein = array(); - protected $ar_aliased_tables = array(); + protected $ar_aliased_tables = array(); protected $ar_store_array = array(); + protected $ar_where_group_started = FALSE; + protected $ar_where_group_count = 0; // Active Record Caching variables - protected $ar_caching = FALSE; - protected $ar_cache_exists = array(); - protected $ar_cache_select = array(); - protected $ar_cache_from = array(); - protected $ar_cache_join = array(); - protected $ar_cache_where = array(); - protected $ar_cache_like = array(); - protected $ar_cache_groupby = array(); - protected $ar_cache_having = array(); - protected $ar_cache_orderby = array(); - protected $ar_cache_set = array(); - - protected $ar_no_escape = array(); - protected $ar_cache_no_escape = array(); - - // -------------------------------------------------------------------- + protected $ar_caching = FALSE; + protected $ar_cache_exists = array(); + protected $ar_cache_select = array(); + protected $ar_cache_from = array(); + protected $ar_cache_join = array(); + protected $ar_cache_where = array(); + protected $ar_cache_like = array(); + protected $ar_cache_groupby = array(); + protected $ar_cache_having = array(); + protected $ar_cache_orderby = array(); + protected $ar_cache_set = array(); + + protected $ar_no_escape = array(); + protected $ar_cache_no_escape = array(); /** * Select @@ -111,6 +111,7 @@ class CI_DB_active_record extends CI_DB_driver { } } } + return $this; } @@ -186,7 +187,7 @@ class CI_DB_active_record extends CI_DB_driver { * select_max() * select_min() * select_avg() - * select_sum() + * select_sum() * * @param string the field * @param string an alias @@ -212,7 +213,6 @@ class CI_DB_active_record extends CI_DB_driver { } $sql = $this->_protect_identifiers($type.'('.trim($select).')').' AS '.$this->_protect_identifiers(trim($alias)); - $this->ar_select[] = $sql; $this->ar_no_escape[] = NULL; @@ -237,7 +237,8 @@ class CI_DB_active_record extends CI_DB_driver { { if (strpos($item, '.') !== FALSE) { - return end(explode('.', $item)); + $item = explode('.', $item); + return end($item); } return $item; @@ -279,30 +280,27 @@ class CI_DB_active_record extends CI_DB_driver { { $v = trim($v); $this->_track_aliases($v); - - $this->ar_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE); + $v = $this->ar_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE); if ($this->ar_caching === TRUE) { - $this->ar_cache_from[] = $this->_protect_identifiers($v, TRUE, NULL, FALSE); + $this->ar_cache_from[] = $v; $this->ar_cache_exists[] = 'from'; } } - } else { $val = trim($val); - // Extract any aliases that might exist. We use this information + // Extract any aliases that might exist. We use this information // in the _protect_identifiers to know whether to add a table prefix $this->_track_aliases($val); - - $this->ar_from[] = $this->_protect_identifiers($val, TRUE, NULL, FALSE); + $this->ar_from[] = $val = $this->_protect_identifiers($val, TRUE, NULL, FALSE); if ($this->ar_caching === TRUE) { - $this->ar_cache_from[] = $this->_protect_identifiers($val, TRUE, NULL, FALSE); + $this->ar_cache_from[] = $val; $this->ar_cache_exists[] = 'from'; } } @@ -339,23 +337,19 @@ class CI_DB_active_record extends CI_DB_driver { } } - // Extract any aliases that might exist. We use this information + // Extract any aliases that might exist. We use this information // in the _protect_identifiers to know whether to add a table prefix $this->_track_aliases($table); // Strip apart the condition and protect the identifiers if (preg_match('/([\w\.]+)([\W\s]+)(.+)/', $cond, $match)) { - $match[1] = $this->_protect_identifiers($match[1]); - $match[3] = $this->_protect_identifiers($match[3]); - - $cond = $match[1].$match[2].$match[3]; + $cond = $this->_protect_identifiers($match[1]).$match[2].$this->_protect_identifiers($match[3]); } // Assemble the JOIN statement - $join = $type.'JOIN '.$this->_protect_identifiers($table, TRUE, NULL, FALSE).' ON '.$cond; + $this->ar_join[] = $join = $type.'JOIN '.$this->_protect_identifiers($table, TRUE, NULL, FALSE).' ON '.$cond; - $this->ar_join[] = $join; if ($this->ar_caching === TRUE) { $this->ar_cache_join[] = $join; @@ -413,6 +407,8 @@ class CI_DB_active_record extends CI_DB_driver { */ protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL) { + $type = $this->_group_get_type($type); + if ( ! is_array($key)) { $key = array($key => $value); @@ -426,7 +422,7 @@ class CI_DB_active_record extends CI_DB_driver { foreach ($key as $k => $v) { - $prefix = (count($this->ar_where) == 0 AND count($this->ar_cache_where) == 0) ? '' : $type; + $prefix = (count($this->ar_where) === 0 AND count($this->ar_cache_where) === 0) ? '' : $type; if (is_null($v) && ! $this->_has_operator($k)) { @@ -439,10 +435,9 @@ class CI_DB_active_record extends CI_DB_driver { if ($escape === TRUE) { $k = $this->_protect_identifiers($k, FALSE, $escape); - $v = ' '.$this->escape($v); } - + if ( ! $this->_has_operator($k)) { $k .= ' = '; @@ -454,7 +449,6 @@ class CI_DB_active_record extends CI_DB_driver { } $this->ar_where[] = $prefix.$k.$v; - if ($this->ar_caching === TRUE) { $this->ar_cache_where[] = $prefix.$k.$v; @@ -554,6 +548,8 @@ class CI_DB_active_record extends CI_DB_driver { return; } + $type = $this->_group_get_type($type); + if ( ! is_array($values)) { $values = array($values); @@ -566,11 +562,9 @@ class CI_DB_active_record extends CI_DB_driver { $this->ar_wherein[] = $this->escape($value); } - $prefix = (count($this->ar_where) == 0) ? '' : $type; - - $where_in = $prefix . $this->_protect_identifiers($key) . $not . " IN (" . implode(", ", $this->ar_wherein) . ") "; + $prefix = (count($this->ar_where) === 0) ? '' : $type; + $this->ar_where[] = $where_in = $prefix.$this->_protect_identifiers($key).$not.' IN ('.implode(', ', $this->ar_wherein).') '; - $this->ar_where[] = $where_in; if ($this->ar_caching === TRUE) { $this->ar_cache_where[] = $where_in; @@ -664,6 +658,8 @@ class CI_DB_active_record extends CI_DB_driver { */ protected function _like($field, $match = '', $type = 'AND ', $side = 'both', $not = '') { + $type = $this->_group_get_type($type); + if ( ! is_array($field)) { $field = array($field => $match); @@ -672,20 +668,18 @@ class CI_DB_active_record extends CI_DB_driver { foreach ($field as $k => $v) { $k = $this->_protect_identifiers($k); - - $prefix = (count($this->ar_like) == 0) ? '' : $type; - + $prefix = (count($this->ar_like) === 0) ? '' : $type; $v = $this->escape_like_str($v); - if ($side == 'none') + if ($side === 'none') { $like_statement = $prefix." $k $not LIKE '{$v}'"; } - elseif ($side == 'before') + elseif ($side === 'before') { $like_statement = $prefix." $k $not LIKE '%{$v}'"; } - elseif ($side == 'after') + elseif ($side === 'after') { $like_statement = $prefix." $k $not LIKE '{$v}%'"; } @@ -708,12 +702,114 @@ class CI_DB_active_record extends CI_DB_driver { } } + return $this; } // -------------------------------------------------------------------- /** + * Starts a query group. + * + * @param string (Internal use only) + * @param string (Internal use only) + * @return object + */ + public function group_start($not = '', $type = 'AND ') + { + $type = $this->_group_get_type($type); + $this->ar_where_group_started = TRUE; + $prefix = (count($this->ar_where) === 0 AND count($this->ar_cache_where) === 0) ? '' : $type; + $this->ar_where[] = $value = $prefix.$not.str_repeat(' ', ++$this->ar_where_group_count).' ('; + + if ($this->ar_caching) + { + $this->ar_cache_where[] = $value; + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Starts a query group, but ORs the group + * + * @return object + */ + public function or_group_start() + { + return $this->group_start('', 'OR '); + } + + // -------------------------------------------------------------------- + + /** + * Starts a query group, but NOTs the group + * + * @return object + */ + public function not_group_start() + { + return $this->group_start('NOT ', 'AND '); + } + + // -------------------------------------------------------------------- + + /** + * Starts a query group, but OR NOTs the group + * + * @return object + */ + public function or_not_group_start() + { + return $this->group_start('NOT ', 'OR '); + } + + // -------------------------------------------------------------------- + + /** + * Ends a query group + * + * @return object + */ + public function group_end() + { + $this->ar_where_group_started = FALSE; + $this->ar_where[] = $value = str_repeat(' ', $this->ar_where_group_count--) . ')'; + + if ($this->ar_caching) + { + $this->ar_cache_where[] = $value; + } + + return $this; + } + + // -------------------------------------------------------------------- + + /** + * Group_get_type + * + * Called by group_start(), _like(), _where() and _where_in() + * + * @param string + * @return string + */ + protected function _group_get_type($type) + { + if ($this->ar_where_group_started) + { + $type = ''; + $this->ar_where_group_started = FALSE; + } + + return $type; + } + + // -------------------------------------------------------------------- + + /** * GROUP BY * * @param string @@ -732,15 +828,16 @@ class CI_DB_active_record extends CI_DB_driver { if ($val != '') { - $this->ar_groupby[] = $this->_protect_identifiers($val); + $this->ar_groupby[] = $val = $this->_protect_identifiers($val); if ($this->ar_caching === TRUE) { - $this->ar_cache_groupby[] = $this->_protect_identifiers($val); + $this->ar_cache_groupby[] = $val; $this->ar_cache_exists[] = 'groupby'; } } } + return $this; } @@ -796,7 +893,7 @@ class CI_DB_active_record extends CI_DB_driver { foreach ($key as $k => $v) { - $prefix = (count($this->ar_having) == 0) ? '' : $type; + $prefix = (count($this->ar_having) === 0) ? '' : $type; if ($escape === TRUE) { @@ -836,7 +933,7 @@ class CI_DB_active_record extends CI_DB_driver { */ public function order_by($orderby, $direction = '', $escape = TRUE) { - if (strtolower($direction) == 'random') + if (strtolower($direction) === 'random') { $orderby = ''; // Random results want or don't need a field name $direction = $this->_random_keyword; @@ -847,7 +944,7 @@ class CI_DB_active_record extends CI_DB_driver { } - if ((strpos($orderby, ',') !== FALSE) && ($escape === TRUE)) + if ((strpos($orderby, ',') !== FALSE) && $escape === TRUE) { $temp = array(); foreach (explode(',', $orderby) as $part) @@ -863,7 +960,7 @@ class CI_DB_active_record extends CI_DB_driver { $orderby = implode(', ', $temp); } - else if ($direction != $this->_random_keyword) + elseif ($direction != $this->_random_keyword) { if ($escape === TRUE) { @@ -871,9 +968,8 @@ class CI_DB_active_record extends CI_DB_driver { } } - $orderby_statement = $orderby.$direction; + $this->ar_orderby[] = $orderby_statement = $orderby.$direction; - $this->ar_orderby[] = $orderby_statement; if ($this->ar_caching === TRUE) { $this->ar_cache_orderby[] = $orderby_statement; @@ -951,7 +1047,7 @@ class CI_DB_active_record extends CI_DB_driver { return $this; } - + // -------------------------------------------------------------------- /** @@ -964,24 +1060,24 @@ class CI_DB_active_record extends CI_DB_driver { * @param boolean TRUE: resets AR values; FALSE: leave AR vaules alone * @return string */ - public function get_compiled_select($table = '', $reset = TRUE) + public function get_compiled_select($table = '', $reset = TRUE) { if ($table != '') { $this->_track_aliases($table); $this->from($table); } - + $select = $this->_compile_select(); - + if ($reset === TRUE) { $this->_reset_select(); } - + return $select; } - + // -------------------------------------------------------------------- /** @@ -1008,9 +1104,7 @@ class CI_DB_active_record extends CI_DB_driver { $this->limit($limit, $offset); } - $sql = $this->_compile_select(); - - $result = $this->query($sql); + $result = $this->query($this->_compile_select()); $this->_reset_select(); return $result; } @@ -1032,20 +1126,17 @@ class CI_DB_active_record extends CI_DB_driver { $this->from($table); } - $sql = $this->_compile_select($this->_count_string . $this->_protect_identifiers('numrows')); - - $query = $this->query($sql); + $result = $this->query($this->_compile_select($this->_count_string.$this->_protect_identifiers('numrows'))); $this->_reset_select(); - if ($query->num_rows() == 0) + if ($result->num_rows() === 0) { return 0; } - $row = $query->row(); + $row = $result->row(); return (int) $row->numrows; } - // -------------------------------------------------------------------- /** @@ -1075,9 +1166,7 @@ class CI_DB_active_record extends CI_DB_driver { $this->limit($limit, $offset); } - $sql = $this->_compile_select(); - - $result = $this->query($sql); + $result = $this->query($this->_compile_select()); $this->_reset_select(); return $result; } @@ -1100,11 +1189,11 @@ class CI_DB_active_record extends CI_DB_driver { $this->set_insert_batch($set); } - if (count($this->ar_set) == 0) + if (count($this->ar_set) === 0) { if ($this->db_debug) { - //No valid data array. Folds in cases where keys and values did not match up + // No valid data array. Folds in cases where keys and values did not match up return $this->display_error('db_must_use_set'); } return FALSE; @@ -1114,30 +1203,19 @@ class CI_DB_active_record extends CI_DB_driver { { if ( ! isset($this->ar_from[0])) { - if ($this->db_debug) - { - return $this->display_error('db_must_set_table'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } $table = $this->ar_from[0]; } // Batch this baby - for ($i = 0, $total = count($this->ar_set); $i < $total; $i = $i + 100) + for ($i = 0, $total = count($this->ar_set); $i < $total; $i += 100) { - - $sql = $this->_insert_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_keys, array_slice($this->ar_set, $i, 100)); - - //echo $sql; - - $this->query($sql); + $this->query($this->_insert_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_keys, array_slice($this->ar_set, $i, 100))); } $this->_reset_write(); - - return TRUE; } @@ -1181,7 +1259,6 @@ class CI_DB_active_record extends CI_DB_driver { else { $clean = array(); - foreach ($row as $value) { $clean[] = $this->escape($value); @@ -1198,7 +1275,7 @@ class CI_DB_active_record extends CI_DB_driver { return $this; } - + // -------------------------------------------------------------------- /** @@ -1212,25 +1289,25 @@ class CI_DB_active_record extends CI_DB_driver { * @return string */ public function get_compiled_insert($table = '', $reset = TRUE) - { + { if ($this->_validate_insert($table) === FALSE) { return FALSE; } - + $sql = $this->_insert( $this->_protect_identifiers( $this->ar_from[0], TRUE, NULL, FALSE ), - array_keys($this->ar_set), + array_keys($this->ar_set), array_values($this->ar_set) ); - + if ($reset === TRUE) { $this->_reset_write(); } - + return $sql; } @@ -1252,24 +1329,24 @@ class CI_DB_active_record extends CI_DB_driver { { $this->set($set); } - + if ($this->_validate_insert($table) === FALSE) { return FALSE; } - + $sql = $this->_insert( $this->_protect_identifiers( $this->ar_from[0], TRUE, NULL, FALSE - ), - array_keys($this->ar_set), + ), + array_keys($this->ar_set), array_values($this->ar_set) ); $this->_reset_write(); return $this->query($sql); } - + // -------------------------------------------------------------------- /** @@ -1283,33 +1360,25 @@ class CI_DB_active_record extends CI_DB_driver { * @param string the table to insert data into * @return string */ - protected function _validate_insert($table = '') + protected function _validate_insert($table = '') { - if (count($this->ar_set) == 0) + if (count($this->ar_set) === 0) { - if ($this->db_debug) - { - return $this->display_error('db_must_use_set'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } if ($table == '') { if ( ! isset($this->ar_from[0])) { - if ($this->db_debug) - { - return $this->display_error('db_must_set_table'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } } else { $this->ar_from[0] = $table; } - + return TRUE; } @@ -1331,35 +1400,26 @@ class CI_DB_active_record extends CI_DB_driver { $this->set($set); } - if (count($this->ar_set) == 0) + if (count($this->ar_set) === 0) { - if ($this->db_debug) - { - return $this->display_error('db_must_use_set'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } if ($table == '') { if ( ! isset($this->ar_from[0])) { - if ($this->db_debug) - { - return $this->display_error('db_must_set_table'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } $table = $this->ar_from[0]; } $sql = $this->_replace($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->ar_set), array_values($this->ar_set)); - $this->_reset_write(); return $this->query($sql); } - + // -------------------------------------------------------------------- /** @@ -1376,22 +1436,22 @@ class CI_DB_active_record extends CI_DB_driver { { // Combine any cached components with the current statements $this->_merge_cache(); - + if ($this->_validate_update($table) === FALSE) { return FALSE; } - + $sql = $this->_update($this->_protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit); - + if ($reset === TRUE) { $this->_reset_write(); } - + return $sql; } - + // -------------------------------------------------------------------- /** @@ -1430,11 +1490,10 @@ class CI_DB_active_record extends CI_DB_driver { } $sql = $this->_update($this->_protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE), $this->ar_set, $this->ar_where, $this->ar_orderby, $this->ar_limit, $this->ar_like); - $this->_reset_write(); return $this->query($sql); } - + // -------------------------------------------------------------------- /** @@ -1446,36 +1505,30 @@ class CI_DB_active_record extends CI_DB_driver { * * @access public * @param string the table to update data on - * @return string + * @return bool */ protected function _validate_update($table = '') { if (count($this->ar_set) == 0) { - if ($this->db_debug) - { - return $this->display_error('db_must_use_set'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } if ($table == '') { if ( ! isset($this->ar_from[0])) { - if ($this->db_debug) - { - return $this->display_error('db_must_set_table'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } } else { $this->ar_from[0] = $table; } + + return TRUE; } - + // -------------------------------------------------------------------- /** @@ -1486,7 +1539,7 @@ class CI_DB_active_record extends CI_DB_driver { * @param string the table to retrieve the results from * @param array an associative array of update values * @param string the where key - * @return object + * @return bool */ public function update_batch($table = '', $set = NULL, $index = NULL) { @@ -1495,12 +1548,7 @@ class CI_DB_active_record extends CI_DB_driver { if (is_null($index)) { - if ($this->db_debug) - { - return $this->display_error('db_must_use_index'); - } - - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_use_index') : FALSE; } if ( ! is_null($set)) @@ -1508,39 +1556,29 @@ class CI_DB_active_record extends CI_DB_driver { $this->set_update_batch($set, $index); } - if (count($this->ar_set) == 0) + if (count($this->ar_set) === 0) { - if ($this->db_debug) - { - return $this->display_error('db_must_use_set'); - } - - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } if ($table == '') { if ( ! isset($this->ar_from[0])) { - if ($this->db_debug) - { - return $this->display_error('db_must_set_table'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } $table = $this->ar_from[0]; } // Batch this baby - for ($i = 0, $total = count($this->ar_set); $i < $total; $i = $i + 100) + for ($i = 0, $total = count($this->ar_set); $i < $total; $i += 100) { - $sql = $this->_update_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->ar_set, $i, 100), $this->_protect_identifiers($index), $this->ar_where); - - $this->query($sql); + $this->query($this->_update_batch($this->_protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->ar_set, $i, 100), $this->_protect_identifiers($index), $this->ar_where)); } $this->_reset_write(); + return TRUE; } // -------------------------------------------------------------------- @@ -1566,7 +1604,6 @@ class CI_DB_active_record extends CI_DB_driver { { $index_set = FALSE; $clean = array(); - foreach ($v as $k2 => $v2) { if ($k2 == $index) @@ -1578,14 +1615,7 @@ class CI_DB_active_record extends CI_DB_driver { $not[] = $k.'-'.$v; } - if ($escape === FALSE) - { - $clean[$this->_protect_identifiers($k2)] = $v2; - } - else - { - $clean[$this->_protect_identifiers($k2)] = $this->escape($v2); - } + $clean[$this->_protect_identifiers($k2)] = ($escape === FALSE) ? $v2 : $this->escape($v2); } if ($index_set == FALSE) @@ -1615,11 +1645,7 @@ class CI_DB_active_record extends CI_DB_driver { { if ( ! isset($this->ar_from[0])) { - if ($this->db_debug) - { - return $this->display_error('db_must_set_table'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } $table = $this->ar_from[0]; @@ -1630,9 +1656,7 @@ class CI_DB_active_record extends CI_DB_driver { } $sql = $this->_delete($table); - $this->_reset_write(); - return $this->query($sql); } @@ -1654,11 +1678,7 @@ class CI_DB_active_record extends CI_DB_driver { { if ( ! isset($this->ar_from[0])) { - if ($this->db_debug) - { - return $this->display_error('db_must_set_table'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } $table = $this->ar_from[0]; @@ -1669,12 +1689,10 @@ class CI_DB_active_record extends CI_DB_driver { } $sql = $this->_truncate($table); - $this->_reset_write(); - return $this->query($sql); } - + // -------------------------------------------------------------------- /** @@ -1694,7 +1712,7 @@ class CI_DB_active_record extends CI_DB_driver { $this->return_delete_sql = FALSE; return $sql; } - + // -------------------------------------------------------------------- /** @@ -1717,11 +1735,7 @@ class CI_DB_active_record extends CI_DB_driver { { if ( ! isset($this->ar_from[0])) { - if ($this->db_debug) - { - return $this->display_error('db_must_set_table'); - } - return FALSE; + return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } $table = $this->ar_from[0]; @@ -1751,31 +1765,20 @@ class CI_DB_active_record extends CI_DB_driver { $this->limit($limit); } - if (count($this->ar_where) == 0 && count($this->ar_wherein) == 0 && count($this->ar_like) == 0) + if (count($this->ar_where) === 0 && count($this->ar_wherein) === 0 && count($this->ar_like) === 0) { - if ($this->db_debug) - { - return $this->display_error('db_del_must_use_where'); - } - - return FALSE; + return ($this->db_debug) ? $this->display_error('db_del_must_use_where') : FALSE; } $sql = $this->_delete($table, $this->ar_where, $this->ar_like, $this->ar_limit); - if ($reset_data) { $this->_reset_write(); } - - if ($this->return_delete_sql === true) - { - return $sql; - } - return $this->query($sql); + return ($this->return_delete_sql === TRUE) ? $sql : $this->query($sql); } - + // -------------------------------------------------------------------- /** @@ -1840,13 +1843,13 @@ class CI_DB_active_record extends CI_DB_driver { } // if a table alias is used we can recognize it by a space - if (strpos($table, " ") !== FALSE) + if (strpos($table, ' ') !== FALSE) { // if the alias is written with the AS keyword, remove it $table = preg_replace('/ AS /i', ' ', $table); // Grab the alias - $table = trim(strrchr($table, " ")); + $table = trim(strrchr($table, ' ')); // Store the alias, if it doesn't already exist if ( ! in_array($table, $this->ar_aliased_tables)) @@ -1855,7 +1858,7 @@ class CI_DB_active_record extends CI_DB_driver { } } } - + // -------------------------------------------------------------------- /** @@ -1871,10 +1874,7 @@ class CI_DB_active_record extends CI_DB_driver { // Combine any cached components with the current statements $this->_merge_cache(); - // ---------------------------------------------------------------- - // Write the "select" portion of the query - if ($select_override !== FALSE) { $sql = $select_override; @@ -1883,7 +1883,7 @@ class CI_DB_active_record extends CI_DB_driver { { $sql = ( ! $this->ar_distinct) ? 'SELECT ' : 'SELECT DISTINCT '; - if (count($this->ar_select) == 0) + if (count($this->ar_select) === 0) { $sql .= '*'; } @@ -1902,32 +1902,19 @@ class CI_DB_active_record extends CI_DB_driver { } } - // ---------------------------------------------------------------- - // Write the "FROM" portion of the query - if (count($this->ar_from) > 0) { - $sql .= "\nFROM "; - - $sql .= $this->_from_tables($this->ar_from); + $sql .= "\nFROM ".$this->_from_tables($this->ar_from); } - // ---------------------------------------------------------------- - // Write the "JOIN" portion of the query - if (count($this->ar_join) > 0) { - $sql .= "\n"; - - $sql .= implode("\n", $this->ar_join); + $sql .= "\n".implode("\n", $this->ar_join); } - // ---------------------------------------------------------------- - // Write the "WHERE" portion of the query - if (count($this->ar_where) > 0 OR count($this->ar_like) > 0) { $sql .= "\nWHERE "; @@ -1935,10 +1922,7 @@ class CI_DB_active_record extends CI_DB_driver { $sql .= implode("\n", $this->ar_where); - // ---------------------------------------------------------------- - // Write the "LIKE" portion of the query - if (count($this->ar_like) > 0) { if (count($this->ar_where) > 0) @@ -1949,50 +1933,32 @@ class CI_DB_active_record extends CI_DB_driver { $sql .= implode("\n", $this->ar_like); } - // ---------------------------------------------------------------- - // Write the "GROUP BY" portion of the query - if (count($this->ar_groupby) > 0) { - $sql .= "\nGROUP BY "; - - $sql .= implode(', ', $this->ar_groupby); + $sql .= "\nGROUP BY ".implode(', ', $this->ar_groupby); } - // ---------------------------------------------------------------- - // Write the "HAVING" portion of the query - if (count($this->ar_having) > 0) { - $sql .= "\nHAVING "; - $sql .= implode("\n", $this->ar_having); + $sql .= "\nHAVING ".implode("\n", $this->ar_having); } - // ---------------------------------------------------------------- - // Write the "ORDER BY" portion of the query - if (count($this->ar_orderby) > 0) { - $sql .= "\nORDER BY "; - $sql .= implode(', ', $this->ar_orderby); - + $sql .= "\nORDER BY ".implode(', ', $this->ar_orderby); if ($this->ar_order !== FALSE) { $sql .= ($this->ar_order == 'desc') ? ' DESC' : ' ASC'; } } - // ---------------------------------------------------------------- - // Write the "LIMIT" portion of the query - if (is_numeric($this->ar_limit)) { - $sql .= "\n"; - $sql = $this->_limit($sql, $this->ar_limit, $this->ar_offset); + return $this->_limit($sql."\n", $this->ar_limit, $this->ar_offset); } return $sql; @@ -2052,14 +2018,12 @@ class CI_DB_active_record extends CI_DB_driver { foreach ($fields as $val) { // There are some built in keys we need to ignore for this conversion - if ($val != '_parent_name') + if ($val !== '_parent_name') { - $i = 0; foreach ($out[$val] as $data) { - $array[$i][$val] = $data; - $i++; + $array[$i++][$val] = $data; } } } @@ -2134,7 +2098,7 @@ class CI_DB_active_record extends CI_DB_driver { */ protected function _merge_cache() { - if (count($this->ar_cache_exists) == 0) + if (count($this->ar_cache_exists) === 0) { return; } @@ -2144,7 +2108,7 @@ class CI_DB_active_record extends CI_DB_driver { $ar_variable = 'ar_'.$val; $ar_cache_var = 'ar_cache_'.$val; - if (count($this->$ar_cache_var) == 0) + if (count($this->$ar_cache_var) === 0) { continue; } @@ -2161,15 +2125,14 @@ class CI_DB_active_record extends CI_DB_driver { $this->ar_no_escape = $this->ar_cache_no_escape; } - + // -------------------------------------------------------------------- /** * Reset Active Record values. - * + * * Publicly-visible method to reset the AR values. * - * @access public * @return void */ public function reset_query() @@ -2206,25 +2169,24 @@ class CI_DB_active_record extends CI_DB_driver { */ protected function _reset_select() { - $ar_reset_items = array( - 'ar_select' => array(), - 'ar_from' => array(), - 'ar_join' => array(), - 'ar_where' => array(), - 'ar_like' => array(), - 'ar_groupby' => array(), - 'ar_having' => array(), - 'ar_orderby' => array(), - 'ar_wherein' => array(), - 'ar_aliased_tables' => array(), - 'ar_no_escape' => array(), - 'ar_distinct' => FALSE, - 'ar_limit' => FALSE, - 'ar_offset' => FALSE, - 'ar_order' => FALSE, - ); - - $this->_reset_run($ar_reset_items); + $this->_reset_run(array( + 'ar_select' => array(), + 'ar_from' => array(), + 'ar_join' => array(), + 'ar_where' => array(), + 'ar_like' => array(), + 'ar_groupby' => array(), + 'ar_having' => array(), + 'ar_orderby' => array(), + 'ar_wherein' => array(), + 'ar_aliased_tables' => array(), + 'ar_no_escape' => array(), + 'ar_distinct' => FALSE, + 'ar_limit' => FALSE, + 'ar_offset' => FALSE, + 'ar_order' => FALSE + ) + ); } // -------------------------------------------------------------------- @@ -2238,20 +2200,20 @@ class CI_DB_active_record extends CI_DB_driver { */ protected function _reset_write() { - $ar_reset_items = array( - 'ar_set' => array(), - 'ar_from' => array(), - 'ar_where' => array(), - 'ar_like' => array(), - 'ar_orderby' => array(), - 'ar_keys' => array(), - 'ar_limit' => FALSE, - 'ar_order' => FALSE - ); - - $this->_reset_run($ar_reset_items); + $this->_reset_run(array( + 'ar_set' => array(), + 'ar_from' => array(), + 'ar_where' => array(), + 'ar_like' => array(), + 'ar_orderby' => array(), + 'ar_keys' => array(), + 'ar_limit' => FALSE, + 'ar_order' => FALSE + ) + ); } + } /* End of file DB_active_rec.php */ -/* Location: ./system/database/DB_active_rec.php */
\ No newline at end of file +/* Location: ./system/database/DB_active_rec.php */ diff --git a/system/database/DB_cache.php b/system/database/DB_cache.php index 6c1ffc0f3..79651fcb0 100644 --- a/system/database/DB_cache.php +++ b/system/database/DB_cache.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * Database Cache Class * @@ -36,19 +34,12 @@ */ class CI_DB_Cache { - var $CI; - var $db; // allows passing of db object so that multiple database connections and returned db objects can be supported + public $CI; + public $db; // allows passing of db object so that multiple database connections and returned db objects can be supported - /** - * Constructor - * - * Grabs the CI super object instance so we can access it. - * - */ - function __construct(&$db) + public function __construct(&$db) { - // Assign the main CI object to $this->CI - // and load the file helper since we use it a lot + // Assign the main CI object to $this->CI and load the file helper since we use it a lot $this->CI =& get_instance(); $this->db =& $db; $this->CI->load->helper('file'); @@ -59,11 +50,10 @@ class CI_DB_Cache { /** * Set Cache Directory Path * - * @access public * @param string the path to the cache directory * @return bool */ - function check_path($path = '') + public function check_path($path = '') { if ($path == '') { @@ -76,7 +66,7 @@ class CI_DB_Cache { } // Add a trailing slash to the path if needed - $path = preg_replace("/(.+?)\/*$/", "\\1/", $path); + $path = preg_replace('/(.+?)\/*$/', '\\1/', $path); if ( ! is_dir($path) OR ! is_really_writable($path)) { @@ -96,10 +86,9 @@ class CI_DB_Cache { * The URI being requested will become the name of the cache sub-folder. * An MD5 hash of the SQL statement will become the cache file name * - * @access public * @return string */ - function read($sql) + public function read($sql) { if ( ! $this->check_path()) { @@ -107,9 +96,7 @@ class CI_DB_Cache { } $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1); - $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2); - $filepath = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'.md5($sql); if (FALSE === ($cachedata = read_file($filepath))) @@ -125,10 +112,9 @@ class CI_DB_Cache { /** * Write a query to a cache file * - * @access public * @return bool */ - function write($sql, $object) + public function write($sql, $object) { if ( ! $this->check_path()) { @@ -136,11 +122,8 @@ class CI_DB_Cache { } $segment_one = ($this->CI->uri->segment(1) == FALSE) ? 'default' : $this->CI->uri->segment(1); - $segment_two = ($this->CI->uri->segment(2) == FALSE) ? 'index' : $this->CI->uri->segment(2); - $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'; - $filename = md5($sql); if ( ! @is_dir($dir_path)) @@ -167,10 +150,9 @@ class CI_DB_Cache { /** * Delete cache files within a particular directory * - * @access public * @return bool */ - function delete($segment_one = '', $segment_two = '') + public function delete($segment_one = '', $segment_two = '') { if ($segment_one == '') { @@ -183,7 +165,6 @@ class CI_DB_Cache { } $dir_path = $this->db->cachedir.$segment_one.'+'.$segment_two.'/'; - delete_files($dir_path, TRUE); } @@ -192,16 +173,14 @@ class CI_DB_Cache { /** * Delete all existing cache files * - * @access public * @return bool */ - function delete_all() + public function delete_all() { delete_files($this->db->cachedir, TRUE); } } - /* End of file DB_cache.php */ -/* Location: ./system/database/DB_cache.php */
\ No newline at end of file +/* Location: ./system/database/DB_cache.php */ diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index 9d92f2f87..e403efb9f 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -81,8 +81,7 @@ class CI_DB_driver { var $stmt_id; var $curs_id; var $limit_used; - - + /** * Constructor. Accepts one parameter containing the database @@ -108,11 +107,9 @@ class CI_DB_driver { /** * Initialize Database Settings * - * @access private Called by the constructor - * @param mixed - * @return void + * @return bool */ - function initialize() + public function initialize() { // If an existing connection resource is available // there is no need to connect and select the database @@ -126,7 +123,7 @@ class CI_DB_driver { // Connect to the database and set the connection ID $this->conn_id = ($this->pconnect == FALSE) ? $this->db_connect() : $this->db_pconnect(); - // No connection resource? Check if there is a failover else throw an error + // No connection resource? Check if there is a failover else throw an error if ( ! $this->conn_id) { // Check if there is a failover set @@ -168,31 +165,19 @@ class CI_DB_driver { // ---------------------------------------------------------------- // Select the DB... assuming a database name is specified in the config file - if ($this->database != '') + if ($this->database !== '' && ! $this->db_select()) { - if ( ! $this->db_select()) - { - log_message('error', 'Unable to select database: '.$this->database); + log_message('error', 'Unable to select database: '.$this->database); - if ($this->db_debug) - { - $this->display_error('db_unable_to_select', $this->database); - } - return FALSE; - } - else + if ($this->db_debug) { - // We've selected the DB. Now we set the character set - if ( ! $this->db_set_charset($this->char_set, $this->dbcollat)) - { - return FALSE; - } - - return TRUE; + $this->display_error('db_unable_to_select', $this->database); } + return FALSE; } - return TRUE; + // Now we set the character set and that's all + return $this->db_set_charset($this->char_set, $this->dbcollat); } // -------------------------------------------------------------------- @@ -200,20 +185,19 @@ class CI_DB_driver { /** * Set client character set * - * @access public * @param string * @param string - * @return resource + * @return bool */ - function db_set_charset($charset, $collation) + public function db_set_charset($charset, $collation = '') { - if ( ! $this->_db_set_charset($this->char_set, $this->dbcollat)) + if (method_exists($this, '_db_set_charset') && ! $this->_db_set_charset($charset, $collation)) { - log_message('error', 'Unable to set database connection charset: '.$this->char_set); + log_message('error', 'Unable to set database connection charset: '.$charset); if ($this->db_debug) { - $this->display_error('db_unable_to_set_charset', $this->char_set); + $this->display_error('db_unable_to_set_charset', $charset); } return FALSE; @@ -238,36 +222,40 @@ class CI_DB_driver { // -------------------------------------------------------------------- /** - * Database Version Number. Returns a string containing the - * version of the database being used + * Database version number + * + * Returns a string containing the version of the database being used. + * Most drivers will override this method. * - * @access public * @return string */ - function version() + public function version() { - if (FALSE === ($sql = $this->_version())) + if (isset($this->data_cache['version'])) { - if ($this->db_debug) - { - return $this->display_error('db_unsupported_function'); - } - return FALSE; + return $this->data_cache['version']; } - // Some DBs have functions that return the version, and don't run special - // SQL queries per se. In these instances, just return the result. - $driver_version_exceptions = array('oci8', 'sqlite', 'cubrid', 'pdo'); - - if (in_array($this->dbdriver, $driver_version_exceptions)) - { - return $sql; - } - else + if (FALSE === ($sql = $this->_version())) { - $query = $this->query($sql); - return $query->row('ver'); + return ($this->db_debug) ? $this->display_error('db_unsupported_function') : FALSE; } + + $query = $this->query($sql); + $query = $query->row(); + return $this->data_cache['version'] = $query->ver; + } + + // -------------------------------------------------------------------- + + /** + * Version number query string + * + * @return string + */ + protected function _version() + { + return 'SELECT VERSION() AS ver'; } // -------------------------------------------------------------------- @@ -305,6 +293,12 @@ class CI_DB_driver { $sql = preg_replace("/(\W)".$this->swap_pre."(\S+?)/", "\\1".$this->dbprefix."\\2", $sql); } + // Compile binds if needed + if ($binds !== FALSE) + { + $sql = $this->compile_binds($sql, $binds); + } + // Is query caching enabled? If the query is a "read type" // we will load the caching class and return the previously // cached query if it exists @@ -320,12 +314,6 @@ class CI_DB_driver { } } - // Compile binds if needed - if ($binds !== FALSE) - { - $sql = $this->compile_binds($sql, $binds); - } - // Save the query for debugging if ($this->save_queries == TRUE) { @@ -346,30 +334,28 @@ class CI_DB_driver { // This will trigger a rollback if transactions are being used $this->_trans_status = FALSE; - // Grab the error number and message now, as we might run some - // additional queries before displaying the error - $error_no = $this->_error_number(); - $error_msg = $this->_error_message(); + // Grab the error now, as we might run some additional queries before displaying the error + $error = $this->error(); // Log errors - log_message('error', 'Query error: '.$error_msg); + log_message('error', 'Query error: '.$error['message']); if ($this->db_debug) { // We call this function in order to roll-back queries - // if transactions are enabled. If we don't call this here + // if transactions are enabled. If we don't call this here // the error message will trigger an exit, causing the // transactions to remain in limbo. $this->trans_complete(); // Display errors return $this->display_error( - array( - 'Error Number: '.$error_no, - $error_msg, - $sql - ) - ); + array( + 'Error Number: '.$error['code'], + $error['message'], + $sql + ) + ); } return FALSE; @@ -660,17 +646,12 @@ class CI_DB_driver { /** * Determines if a query is a "write" type. * - * @access public * @param string An SQL query string - * @return boolean + * @return bool */ - function is_write_type($sql) + public function is_write_type($sql) { - if ( ! preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|GRANT|REVOKE|LOCK|UNLOCK)\s+/i', $sql)) - { - return FALSE; - } - return TRUE; + return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|OPTIMIZE|REINDEX)\s+/i', $sql); } // -------------------------------------------------------------------- @@ -814,20 +795,23 @@ class CI_DB_driver { if ($query->num_rows() > 0) { - foreach ($query->result_array() as $row) + $table = FALSE; + $rows = $query->result_array(); + $key = (($row = current($rows)) && in_array('table_name', array_map('strtolower', array_keys($row)))); + + if ($key) { - if (isset($row['TABLE_NAME'])) - { - $retval[] = $row['TABLE_NAME']; - } - else - { - $retval[] = array_shift($row); - } + $table = array_key_exists('TABLE_NAME', $row) ? 'TABLE_NAME' : 'table_name'; + } + + foreach ($rows as $row) + { + $retval[] = ( ! $table) ? current($row) : $row[$table]; } } $this->data_cache['table_names'] = $retval; + return $this->data_cache['table_names']; } @@ -1436,10 +1420,23 @@ class CI_DB_driver { return $item.$alias; } + + // -------------------------------------------------------------------- + /** + * Dummy method that allows Active Record class to be disabled + * + * This function is used extensively by every db driver. + * + * @access private + * @return void + */ + protected function _reset_select() + { + + } } - /* End of file DB_driver.php */ /* Location: ./system/database/DB_driver.php */ diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php index 78bf77a9f..336e9497d 100644 --- a/system/database/DB_forge.php +++ b/system/database/DB_forge.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -36,23 +36,17 @@ */ class CI_DB_forge { - var $fields = array(); - var $keys = array(); - var $primary_keys = array(); - var $db_char_set = ''; + public $fields = array(); + public $keys = array(); + public $primary_keys = array(); + public $db_char_set = ''; - /** - * Constructor - * - * Grabs the CI super object instance so we can access it. - * - */ - function __construct() + public function __construct() { // Assign the main database object to $this->db $CI =& get_instance(); $this->db =& $CI->db; - log_message('debug', "Database Forge Class Initialized"); + log_message('debug', 'Database Forge Class Initialized'); } // -------------------------------------------------------------------- @@ -60,20 +54,13 @@ class CI_DB_forge { /** * Create database * - * @access public * @param string the database name * @return bool */ - function create_database($db_name) + public function create_database($db_name) { $sql = $this->_create_database($db_name); - - if (is_bool($sql)) - { - return $sql; - } - - return $this->db->query($sql); + return is_bool($sql) ? $sql : $this->db->query($sql); } // -------------------------------------------------------------------- @@ -81,20 +68,13 @@ class CI_DB_forge { /** * Drop database * - * @access public * @param string the database name * @return bool */ - function drop_database($db_name) + public function drop_database($db_name) { $sql = $this->_drop_database($db_name); - - if (is_bool($sql)) - { - return $sql; - } - - return $this->db->query($sql); + return is_bool($sql) ? $sql : $this->db->query($sql); } // -------------------------------------------------------------------- @@ -102,12 +82,11 @@ class CI_DB_forge { /** * Add Key * - * @access public * @param string key * @param string type - * @return void + * @return object */ - function add_key($key = '', $primary = FALSE) + public function add_key($key = '', $primary = FALSE) { if (is_array($key)) { @@ -132,6 +111,8 @@ class CI_DB_forge { { $this->keys[] = $key; } + + return $this; } // -------------------------------------------------------------------- @@ -139,11 +120,10 @@ class CI_DB_forge { /** * Add Field * - * @access public * @param string collation - * @return void + * @return object */ - function add_field($field = '') + public function add_field($field = '') { if ($field == '') { @@ -152,15 +132,15 @@ class CI_DB_forge { if (is_string($field)) { - if ($field == 'id') + if ($field === 'id') { $this->add_field(array( - 'id' => array( - 'type' => 'INT', - 'constraint' => 9, - 'auto_increment' => TRUE - ) - )); + 'id' => array( + 'type' => 'INT', + 'constraint' => 9, + 'auto_increment' => TRUE + ) + )); $this->add_key('id', TRUE); } else @@ -179,6 +159,7 @@ class CI_DB_forge { $this->fields = array_merge($this->fields, $field); } + return $this; } // -------------------------------------------------------------------- @@ -186,32 +167,24 @@ class CI_DB_forge { /** * Create Table * - * @access public * @param string the table name * @return bool */ - function create_table($table = '', $if_not_exists = FALSE) + public function create_table($table = '', $if_not_exists = FALSE) { if ($table == '') { show_error('A table name is required for that operation.'); } - if (count($this->fields) == 0) + if (count($this->fields) === 0) { show_error('Field information is required.'); } $sql = $this->_create_table($this->db->dbprefix.$table, $this->fields, $this->primary_keys, $this->keys, $if_not_exists); - $this->_reset(); - - if (is_bool($sql)) - { - return $sql; - } - - return $this->db->query($sql); + return is_bool($sql) ? $sql : $this->db->query($sql); } // -------------------------------------------------------------------- @@ -219,20 +192,13 @@ class CI_DB_forge { /** * Drop Table * - * @access public * @param string the table name * @return bool */ - function drop_table($table_name) + public function drop_table($table_name) { $sql = $this->_drop_table($this->db->dbprefix.$table_name); - - if (is_bool($sql)) - { - return $sql; - } - - return $this->db->query($sql); + return is_bool($sql) ? $sql : $this->db->query($sql); } // -------------------------------------------------------------------- @@ -240,20 +206,18 @@ class CI_DB_forge { /** * Rename Table * - * @access public * @param string the old table name * @param string the new table name * @return bool */ - function rename_table($table_name, $new_table_name) + public function rename_table($table_name, $new_table_name) { if ($table_name == '' OR $new_table_name == '') { show_error('A table name is required for that operation.'); } - $sql = $this->_rename_table($this->db->dbprefix.$table_name, $this->db->dbprefix.$new_table_name); - return $this->db->query($sql); + return $this->db->query($this->_rename_table($this->db->dbprefix.$table_name, $this->db->dbprefix.$new_table_name)); } // -------------------------------------------------------------------- @@ -261,13 +225,12 @@ class CI_DB_forge { /** * Column Add * - * @access public * @param string the table name * @param string the column name * @param string the column definition * @return bool */ - function add_column($table = '', $field = array(), $after_field = '') + public function add_column($table = '', $field = array(), $after_field = '') { if ($table == '') { @@ -276,8 +239,7 @@ class CI_DB_forge { // add field info into field array, but we can only do one at a time // so we cycle through - - foreach ($field as $k => $v) + foreach (array_keys($field) as $k) { $this->add_field(array($k => $field[$k])); @@ -287,7 +249,6 @@ class CI_DB_forge { } $sql = $this->_alter_table('ADD', $this->db->dbprefix.$table, $this->fields, $after_field); - $this->_reset(); if ($this->db->query($sql) === FALSE) @@ -297,7 +258,6 @@ class CI_DB_forge { } return TRUE; - } // -------------------------------------------------------------------- @@ -305,14 +265,12 @@ class CI_DB_forge { /** * Column Drop * - * @access public * @param string the table name * @param string the column name * @return bool */ - function drop_column($table = '', $column_name = '') + public function drop_column($table = '', $column_name = '') { - if ($table == '') { show_error('A table name is required for that operation.'); @@ -323,9 +281,7 @@ class CI_DB_forge { show_error('A column name is required for that operation.'); } - $sql = $this->_alter_table('DROP', $this->db->dbprefix.$table, $column_name); - - return $this->db->query($sql); + return $this->db->query($this->_alter_table('DROP', $this->db->dbprefix.$table, $column_name)); } // -------------------------------------------------------------------- @@ -333,13 +289,12 @@ class CI_DB_forge { /** * Column Modify * - * @access public * @param string the table name * @param string the column name * @param string the column definition * @return bool */ - function modify_column($table = '', $field = array()) + public function modify_column($table = '', $field = array()) { if ($table == '') { @@ -348,8 +303,7 @@ class CI_DB_forge { // add field info into field array, but we can only do one at a time // so we cycle through - - foreach ($field as $k => $v) + foreach (array_keys($field) as $k) { // If no name provided, use the current name if ( ! isset($field[$k]['name'])) @@ -358,14 +312,12 @@ class CI_DB_forge { } $this->add_field(array($k => $field[$k])); - - if (count($this->fields) == 0) + if (count($this->fields) === 0) { show_error('Field information is required.'); } $sql = $this->_alter_table('CHANGE', $this->db->dbprefix.$table, $this->fields); - $this->_reset(); if ($this->db->query($sql) === FALSE) @@ -384,17 +336,14 @@ class CI_DB_forge { * * Resets table creation vars * - * @access private * @return void */ - function _reset() + protected function _reset() { - $this->fields = array(); - $this->keys = array(); - $this->primary_keys = array(); + $this->fields = $this->keys = $this->primary_keys = array(); } } /* End of file DB_forge.php */ -/* Location: ./system/database/DB_forge.php */
\ No newline at end of file +/* Location: ./system/database/DB_forge.php */ diff --git a/system/database/DB_result.php b/system/database/DB_result.php index 9f0b0187c..730443222 100644 --- a/system/database/DB_result.php +++ b/system/database/DB_result.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * Database Result Class * @@ -40,27 +38,25 @@ */ class CI_DB_result { - var $conn_id = NULL; - var $result_id = NULL; - var $result_array = array(); - var $result_object = array(); - var $custom_result_object = array(); - var $current_row = 0; - var $num_rows = 0; - var $row_data = NULL; - + public $conn_id = NULL; + public $result_id = NULL; + public $result_array = array(); + public $result_object = array(); + public $custom_result_object = array(); + public $current_row = 0; + public $num_rows = 0; + public $row_data = NULL; /** * Query result. Acts as a wrapper function for the following functions. * - * @access public * @param string can be "object" or "array" * @return mixed either a result object or array */ public function result($type = 'object') { - if ($type == 'array') return $this->result_array(); - else if ($type == 'object') return $this->result_object(); + if ($type === 'array') return $this->result_array(); + elseif ($type === 'object') return $this->result_object(); else return $this->custom_result_object($type); } @@ -69,8 +65,8 @@ class CI_DB_result { /** * Custom query result. * - * @param class_name A string that represents the type of object you want back - * @return array of objects + * @param string A string that represents the type of object you want back + * @return array of objects */ public function custom_result_object($class_name) { @@ -91,7 +87,6 @@ class CI_DB_result { while ($row = $this->_fetch_object()) { $object = new $class_name(); - foreach ($row as $key => $value) { $object->$key = $value; @@ -109,7 +104,6 @@ class CI_DB_result { /** * Query result. "object" version. * - * @access public * @return object */ public function result_object() @@ -141,7 +135,6 @@ class CI_DB_result { /** * Query result. "array" version. * - * @access public * @return array */ public function result_array() @@ -173,7 +166,6 @@ class CI_DB_result { /** * Query result. Acts as a wrapper function for the following functions. * - * @access public * @param string * @param string can be "object" or "array" * @return mixed either a result object or array @@ -197,8 +189,8 @@ class CI_DB_result { $n = 0; } - if ($type == 'object') return $this->row_object($n); - else if ($type == 'array') return $this->row_array($n); + if ($type === 'object') return $this->row_object($n); + elseif ($type === 'array') return $this->row_array($n); else return $this->custom_row_object($n, $type); } @@ -207,8 +199,7 @@ class CI_DB_result { /** * Assigns an item into a particular column slot * - * @access public - * @return object + * @return void */ public function set_row($key, $value = NULL) { @@ -224,7 +215,6 @@ class CI_DB_result { { $this->row_data[$k] = $v; } - return; } @@ -239,14 +229,12 @@ class CI_DB_result { /** * Returns a single result row - custom object version * - * @access public * @return object */ public function custom_row_object($n, $type) { $result = $this->custom_result_object($type); - - if (count($result) == 0) + if (count($result) === 0) { return $result; } @@ -262,14 +250,12 @@ class CI_DB_result { /** * Returns a single result row - object version * - * @access public * @return object */ public function row_object($n = 0) { $result = $this->result_object(); - - if (count($result) == 0) + if (count($result) === 0) { return $result; } @@ -287,14 +273,12 @@ class CI_DB_result { /** * Returns a single result row - array version * - * @access public * @return array */ public function row_array($n = 0) { $result = $this->result_array(); - - if (count($result) == 0) + if (count($result) === 0) { return $result; } @@ -313,18 +297,12 @@ class CI_DB_result { /** * Returns the "first" row * - * @access public * @return object */ public function first_row($type = 'object') { $result = $this->result($type); - - if (count($result) == 0) - { - return $result; - } - return $result[0]; + return (count($result) === 0) ? $result : $result[0]; } // -------------------------------------------------------------------- @@ -332,18 +310,12 @@ class CI_DB_result { /** * Returns the "last" row * - * @access public * @return object */ public function last_row($type = 'object') { $result = $this->result($type); - - if (count($result) == 0) - { - return $result; - } - return $result[count($result) -1]; + return (count($result) === 0) ? $result : $result[count($result) - 1]; } // -------------------------------------------------------------------- @@ -351,14 +323,12 @@ class CI_DB_result { /** * Returns the "next" row * - * @access public * @return object */ public function next_row($type = 'object') { $result = $this->result($type); - - if (count($result) == 0) + if (count($result) === 0) { return $result; } @@ -376,14 +346,12 @@ class CI_DB_result { /** * Returns the "previous" row * - * @access public * @return object */ public function previous_row($type = 'object') { $result = $this->result($type); - - if (count($result) == 0) + if (count($result) === 0) { return $result; } @@ -416,7 +384,6 @@ class CI_DB_result { protected function _fetch_object() { return array(); } } -// END DB_result class /* End of file DB_result.php */ /* Location: ./system/database/DB_result.php */ diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php index 60ecb5269..4c881d8a1 100644 --- a/system/database/DB_utility.php +++ b/system/database/DB_utility.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * Database Utility Class * @@ -36,22 +34,15 @@ */ class CI_DB_utility extends CI_DB_forge { - var $db; - var $data_cache = array(); + public $db; + public $data_cache = array(); - /** - * Constructor - * - * Grabs the CI super object instance so we can access it. - * - */ - function __construct() + public function __construct() { // Assign the main database object to $this->db $CI =& get_instance(); $this->db =& $CI->db; - - log_message('debug', "Database Utility Class Initialized"); + log_message('debug', 'Database Utility Class Initialized'); } // -------------------------------------------------------------------- @@ -59,10 +50,9 @@ class CI_DB_utility extends CI_DB_forge { /** * List databases * - * @access public * @return bool */ - function list_databases() + public function list_databases() { // Is there a cached result? if (isset($this->data_cache['db_names'])) @@ -80,8 +70,7 @@ class CI_DB_utility extends CI_DB_forge { } } - $this->data_cache['db_names'] = $dbs; - return $this->data_cache['db_names']; + return $this->data_cache['db_names'] = $dbs; } // -------------------------------------------------------------------- @@ -89,11 +78,10 @@ class CI_DB_utility extends CI_DB_forge { /** * Determine if a particular database exists * - * @access public * @param string * @return boolean */ - function database_exists($database_name) + public function database_exists($database_name) { // Some databases won't have access to the list_databases() function, so // this is intended to allow them to override with their own functions as @@ -114,17 +102,17 @@ class CI_DB_utility extends CI_DB_forge { /** * Optimize Table * - * @access public * @param string the table name * @return bool */ - function optimize_table($table_name) + public function optimize_table($table_name) { $sql = $this->_optimize_table($table_name); if (is_bool($sql)) { - show_error('db_must_use_set'); + show_error('db_must_use_set'); + return FALSE; } $query = $this->db->query($sql); @@ -140,10 +128,9 @@ class CI_DB_utility extends CI_DB_forge { /** * Optimize Database * - * @access public * @return array */ - function optimize_database() + public function optimize_database() { $result = array(); foreach ($this->db->list_tables() as $table_name) @@ -177,11 +164,10 @@ class CI_DB_utility extends CI_DB_forge { /** * Repair Table * - * @access public * @param string the table name * @return bool */ - function repair_table($table_name) + public function repair_table($table_name) { $sql = $this->_repair_table($table_name); @@ -203,14 +189,13 @@ class CI_DB_utility extends CI_DB_forge { /** * Generate CSV from a query result object * - * @access public * @param object The query result object * @param string The delimiter - comma by default * @param string The newline character - \n by default * @param string The enclosure - double quote by default * @return string */ - function csv_from_result($query, $delim = ",", $newline = "\n", $enclosure = '"') + public function csv_from_result($query, $delim = ',', $newline = "\n", $enclosure = '"') { if ( ! is_object($query) OR ! method_exists($query, 'list_fields')) { @@ -218,15 +203,13 @@ class CI_DB_utility extends CI_DB_forge { } $out = ''; - // First generate the headings from the table column names foreach ($query->list_fields() as $name) { $out .= $enclosure.str_replace($enclosure, $enclosure.$enclosure, $name).$enclosure.$delim; } - $out = rtrim($out); - $out .= $newline; + $out = rtrim($out).$newline; // Next blast through the result array and build out the rows foreach ($query->result_array() as $row) @@ -235,8 +218,7 @@ class CI_DB_utility extends CI_DB_forge { { $out .= $enclosure.str_replace($enclosure, $enclosure.$enclosure, $item).$enclosure.$delim; } - $out = rtrim($out); - $out .= $newline; + $out = rtrim($out).$newline; } return $out; @@ -247,12 +229,11 @@ class CI_DB_utility extends CI_DB_forge { /** * Generate XML data from a query result object * - * @access public * @param object The query result object * @param array Any preferences * @return string */ - function xml_from_result($query, $params = array()) + public function xml_from_result($query, $params = array()) { if ( ! is_object($query) OR ! method_exists($query, 'list_fields')) { @@ -280,16 +261,14 @@ class CI_DB_utility extends CI_DB_forge { foreach ($query->result_array() as $row) { $xml .= $tab."<{$element}>".$newline; - foreach ($row as $key => $val) { $xml .= $tab.$tab."<{$key}>".xml_convert($val)."</{$key}>".$newline; } $xml .= $tab."</{$element}>".$newline; } - $xml .= "</$root>".$newline; - return $xml; + return $xml .= "</$root>".$newline; } // -------------------------------------------------------------------- @@ -297,10 +276,9 @@ class CI_DB_utility extends CI_DB_forge { /** * Database Backup * - * @access public * @return void */ - function backup($params = array()) + public function backup($params = array()) { // If the parameters have not been submitted as an // array then we know that it is simply the table @@ -314,14 +292,14 @@ class CI_DB_utility extends CI_DB_forge { // Set up our default preferences $prefs = array( - 'tables' => array(), - 'ignore' => array(), - 'filename' => '', - 'format' => 'gzip', // gzip, zip, txt - 'add_drop' => TRUE, - 'add_insert' => TRUE, - 'newline' => "\n" - ); + 'tables' => array(), + 'ignore' => array(), + 'filename' => '', + 'format' => 'gzip', // gzip, zip, txt + 'add_drop' => TRUE, + 'add_insert' => TRUE, + 'newline' => "\n" + ); // Did the user submit any preferences? If so set them.... if (count($params) > 0) @@ -335,29 +313,23 @@ class CI_DB_utility extends CI_DB_forge { } } - // ------------------------------------------------------ - // Are we backing up a complete database or individual tables? // If no table names were submitted we'll fetch the entire table list - if (count($prefs['tables']) == 0) + if (count($prefs['tables']) === 0) { $prefs['tables'] = $this->db->list_tables(); } - // ------------------------------------------------------ - // Validate the format if ( ! in_array($prefs['format'], array('gzip', 'zip', 'txt'), TRUE)) { $prefs['format'] = 'txt'; } - // ------------------------------------------------------ - - // Is the encoder supported? If not, we'll either issue an + // Is the encoder supported? If not, we'll either issue an // error or use plain text depending on the debug settings - if (($prefs['format'] == 'gzip' AND ! @function_exists('gzencode')) - OR ($prefs['format'] == 'zip' AND ! @function_exists('gzcompress'))) + if (($prefs['format'] === 'gzip' AND ! @function_exists('gzencode')) + OR ($prefs['format'] === 'zip' AND ! @function_exists('gzcompress'))) { if ($this->db->db_debug) { @@ -367,60 +339,49 @@ class CI_DB_utility extends CI_DB_forge { $prefs['format'] = 'txt'; } - // ------------------------------------------------------ - - // Set the filename if not provided - Only needed with Zip files - if ($prefs['filename'] == '' AND $prefs['format'] == 'zip') - { - $prefs['filename'] = (count($prefs['tables']) == 1) ? $prefs['tables'] : $this->db->database; - $prefs['filename'] .= '_'.date('Y-m-d_H-i', time()); - } - - // ------------------------------------------------------ - - // Was a Gzip file requested? - if ($prefs['format'] == 'gzip') - { - return gzencode($this->_backup($prefs)); - } - - // ------------------------------------------------------ - - // Was a text file requested? - if ($prefs['format'] == 'txt') - { - return $this->_backup($prefs); - } - - // ------------------------------------------------------ - // Was a Zip file requested? - if ($prefs['format'] == 'zip') + if ($prefs['format'] === 'zip') { - // If they included the .zip file extension we'll remove it - if (preg_match("|.+?\.zip$|", $prefs['filename'])) + // Set the filename if not provided (only needed with Zip files) + if ($prefs['filename'] == '') { - $prefs['filename'] = str_replace('.zip', '', $prefs['filename']); + $prefs['filename'] = (count($prefs['tables']) === 1 ? $prefs['tables'] : $this->db->database) + .date('Y-m-d_H-i', time()).'.sql'; } - - // Tack on the ".sql" file extension if needed - if ( ! preg_match("|.+?\.sql$|", $prefs['filename'])) + else { - $prefs['filename'] .= '.sql'; + // If they included the .zip file extension we'll remove it + if (preg_match('|.+?\.zip$|', $prefs['filename'])) + { + $prefs['filename'] = str_replace('.zip', '', $prefs['filename']); + } + + // Tack on the ".sql" file extension if needed + if ( ! preg_match('|.+?\.sql$|', $prefs['filename'])) + { + $prefs['filename'] .= '.sql'; + } } // Load the Zip class and output it - $CI =& get_instance(); $CI->load->library('zip'); $CI->zip->add_data($prefs['filename'], $this->_backup($prefs)); return $CI->zip->get_zip(); } + elseif ($prefs['format'] == 'txt') // Was a text file requested? + { + return $this->_backup($prefs); + } + elseif ($prefs['format'] === 'gzip') // Was a Gzip file requested? + { + return gzencode($this->_backup($prefs)); + } + return; } } - /* End of file DB_utility.php */ -/* Location: ./system/database/DB_utility.php */
\ No newline at end of file +/* Location: ./system/database/DB_utility.php */ diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php index 8181bd605..afdaef351 100644 --- a/system/database/drivers/cubrid/cubrid_driver.php +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 2.0.2 @@ -156,37 +156,15 @@ class CI_DB_cubrid_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Set client character set + * Database version number * - * @access public - * @param string - * @param string - * @return resource - */ - function db_set_charset($charset, $collation) - { - // In CUBRID, there is no need to set charset or collation. - // This is why returning true will allow the application continue - // its normal process. - return TRUE; - } - - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public * @return string */ - function _version() + public function version() { - // To obtain the CUBRID Server version, no need to run the SQL query. - // CUBRID PHP API provides a function to determin this value. - // This is why we also need to add 'cubrid' value to the list of - // $driver_version_exceptions array in DB_driver class in - // version() function. - return cubrid_get_server_info($this->conn_id); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = cubrid_get_server_info($this->conn_id); } // -------------------------------------------------------------------- @@ -362,12 +340,11 @@ class CI_DB_cubrid_driver extends CI_DB { /** * Affected Rows * - * @access public - * @return integer + * @return int */ - function affected_rows() + public function affected_rows() { - return @cubrid_affected_rows($this->conn_id); + return @cubrid_affected_rows(); } // -------------------------------------------------------------------- @@ -472,31 +449,18 @@ class CI_DB_cubrid_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string - */ - function _error_message() - { - return cubrid_error($this->conn_id); - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @access private - * @return integer + * @return array */ - function _error_number() + public function error() { - return cubrid_errno($this->conn_id); + return array('code' => cubrid_errno($this->conn_id), 'message' => cubrid_error($this->conn_id)); } - // -------------------------------------------------------------------- - /** * Escape the SQL Identifiers * @@ -801,4 +765,4 @@ class CI_DB_cubrid_driver extends CI_DB { /* End of file cubrid_driver.php */ -/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/cubrid/cubrid_driver.php */ diff --git a/system/database/drivers/cubrid/cubrid_forge.php b/system/database/drivers/cubrid/cubrid_forge.php index 410d0652c..85e740057 100644 --- a/system/database/drivers/cubrid/cubrid_forge.php +++ b/system/database/drivers/cubrid/cubrid_forge.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/cubrid/cubrid_result.php b/system/database/drivers/cubrid/cubrid_result.php index b2f1bcf71..4c0fede10 100644 --- a/system/database/drivers/cubrid/cubrid_result.php +++ b/system/database/drivers/cubrid/cubrid_result.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 2.0.2 diff --git a/system/database/drivers/cubrid/cubrid_utility.php b/system/database/drivers/cubrid/cubrid_utility.php index 1fa0390a8..750c0d8dd 100644 --- a/system/database/drivers/cubrid/cubrid_utility.php +++ b/system/database/drivers/cubrid/cubrid_utility.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/interbase/index.html b/system/database/drivers/interbase/index.html new file mode 100644 index 000000000..c942a79ce --- /dev/null +++ b/system/database/drivers/interbase/index.html @@ -0,0 +1,10 @@ +<html> +<head> + <title>403 Forbidden</title> +</head> +<body> + +<p>Directory access is forbidden.</p> + +</body> +</html>
\ No newline at end of file diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php new file mode 100644 index 000000000..f4bd9e271 --- /dev/null +++ b/system/database/drivers/interbase/interbase_driver.php @@ -0,0 +1,627 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. + * + * @package CodeIgniter + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 3.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * Firebird/Interbase Database Adapter Class + * + * Note: _DB is an extender class that the app controller + * creates dynamically based on whether the active record + * class is being used or not. + * + * @package CodeIgniter + * @subpackage Drivers + * @category Database + * @author EllisLab Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_interbase_driver extends CI_DB { + + public $dbdriver = 'interbase'; + + // The character used to escape with + protected $_escape_char = '"'; + + // clause and character used for LIKE escape sequences + protected $_like_escape_str = " ESCAPE '%s' "; + protected $_like_escape_chr = '!'; + + /** + * The syntax to count rows is slightly different across different + * database engines, so this string appears in each driver and is + * used for the count_all() and count_all_results() functions. + */ + protected $_count_string = "SELECT COUNT(*) AS "; + protected $_random_keyword = ' Random()'; // database specific random keyword + + // Keeps track of the resource for the current transaction + protected $trans; + + /** + * Non-persistent database connection + * + * @return resource + */ + public function db_connect() + { + return @ibase_connect($this->hostname.':'.$this->database, $this->username, $this->password, $this->char_set); + } + + // -------------------------------------------------------------------- + + /** + * Persistent database connection + * + * @return resource + */ + public function db_pconnect() + { + return @ibase_pconnect($this->hostname.':'.$this->database, $this->username, $this->password, $this->char_set); + } + + // -------------------------------------------------------------------- + + /** + * Reconnect + * + * Keep / reestablish the db connection if no queries have been + * sent for a length of time exceeding the server's idle timeout + * + * @return void + */ + public function reconnect() + { + // not implemented in Interbase/Firebird + } + + // -------------------------------------------------------------------- + + /** + * Select the database + * + * @return bool + */ + public function db_select() + { + // Connection selects the database + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Database version number + * + * @return string + */ + public function version() + { + if (isset($this->data_cache['version'])) + { + return $this->data_cache['version']; + } + + if (($service = ibase_service_attach($this->hostname, $this->username, $this->password))) + { + $this->data_cache['version'] = ibase_server_info($service, IBASE_SVC_SERVER_VERSION); + + // Don't keep the service open + ibase_service_detach($service); + return $this->data_cache['version']; + } + + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Execute the query + * + * @param string an SQL query + * @return resource + */ + protected function _execute($sql) + { + $sql = $this->_prep_query($sql); + return @ibase_query($this->conn_id, $sql); + } + + // -------------------------------------------------------------------- + + /** + * Prep the query + * + * If needed, each database adapter can prep the query string + * + * @param string an SQL query + * @return string + */ + protected function _prep_query($sql) + { + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Begin Transaction + * + * @return bool + */ + public function trans_begin($test_mode = FALSE) + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + // Reset the transaction failure flag. + // If the $test_mode flag is set to TRUE transactions will be rolled back + // even if the queries produce a successful result. + $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + + $this->trans = @ibase_trans($this->conn_id); + + return TRUE; + } + + // -------------------------------------------------------------------- + + /** + * Commit Transaction + * + * @return bool + */ + public function trans_commit() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + return @ibase_commit($this->trans); + } + + // -------------------------------------------------------------------- + + /** + * Rollback Transaction + * + * @return bool + */ + public function trans_rollback() + { + if ( ! $this->trans_enabled) + { + return TRUE; + } + + // When transactions are nested we only begin/commit/rollback the outermost ones + if ($this->_trans_depth > 0) + { + return TRUE; + } + + return @ibase_rollback($this->trans); + } + + // -------------------------------------------------------------------- + + /** + * Escape String + * + * @param string + * @param bool whether or not the string will be used in a LIKE condition + * @return string + */ + public function escape_str($str, $like = FALSE) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = $this->escape_str($val, $like); + } + + return $str; + } + + // escape LIKE condition wildcards + if ($like === TRUE) + { + $str = str_replace( array('%', '_', $this->_like_escape_chr), + array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), + $str); + } + + return $str; + } + + // -------------------------------------------------------------------- + + /** + * Affected Rows + * + * @return integer + */ + public function affected_rows() + { + return @ibase_affected_rows($this->conn_id); + } + + // -------------------------------------------------------------------- + + /** + * Insert ID + * + * @param string $generator_name + * @param integer $inc_by + * @return integer + */ + public function insert_id($generator_name, $inc_by=0) + { + //If a generator hasn't been used before it will return 0 + return ibase_gen_id('"'.$generator_name.'"', $inc_by); + } + + // -------------------------------------------------------------------- + + /** + * "Count All" query + * + * Generates a platform-specific query string that counts all records in + * the specified database + * + * @param string + * @return string + */ + public function count_all($table = '') + { + if ($table == '') + { + return 0; + } + + $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . ' FROM ' . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + + if ($query->num_rows() == 0) + { + return 0; + } + + $row = $query->row(); + $this->_reset_select(); + return (int) $row->numrows; + } + + // -------------------------------------------------------------------- + + /** + * List table query + * + * Generates a platform-specific query string so that the table names can be fetched + * + * @param boolean + * @return string + */ + protected function _list_tables($prefix_limit = FALSE) + { + $sql = <<<SQL + SELECT "RDB\$RELATION_NAME" FROM "RDB\$RELATIONS" + WHERE "RDB\$RELATION_NAME" NOT LIKE 'RDB$%' + AND "RDB\$RELATION_NAME" NOT LIKE 'MON$%' +SQL; + + if ($prefix_limit !== FALSE AND $this->dbprefix != '') + { + $sql .= ' AND "RDB$RELATION_NAME" LIKE \''.$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + } + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Show column query + * + * Generates a platform-specific query string so that the column names can be fetched + * + * @param string the table name + * @return string + */ + protected function _list_columns($table = '') + { + return <<<SQL + SELECT "RDB\$FIELD_NAME" FROM "RDB\$RELATION_FIELDS" + WHERE "RDB\$RELATION_NAME"='{$table}'; +SQL; + } + + // -------------------------------------------------------------------- + + /** + * Field data query + * + * Generates a platform-specific query so that the column data can be retrieved + * + * @param string the table name + * @return object + */ + protected function _field_data($table) + { + // Need to find a more efficient way to do this + // but Interbase/Firebird seems to lack the + // limit clause + return "SELECT * FROM {$table}"; + } + + // -------------------------------------------------------------------- + + /** + * Error + * + * Returns an array containing code and message of the last + * database error that has occured. + * + * @return array + */ + public function error() + { + return array('code' => ibase_errcode(), 'message' => ibase_errmsg()); + } + + // -------------------------------------------------------------------- + + /** + * Escape the SQL Identifiers + * + * This public function escapes column and table names + * + * @param string + * @return string + */ + protected function _escape_identifiers($item) + { + foreach ($this->_reserved_identifiers as $id) + { + if (strpos($item, '.'.$id) !== FALSE) + { + $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + } + + if (strpos($item, '.') !== FALSE) + { + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; + } + else + { + $str = $this->_escape_char.$item.$this->_escape_char; + } + + // remove duplicates if the user already included the escape + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + } + + // -------------------------------------------------------------------- + + /** + * From Tables + * + * This public function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @param type + * @return type + */ + protected function _from_tables($tables) + { + if ( ! is_array($tables)) + { + $tables = array($tables); + } + + //Interbase/Firebird doesn't like grouped tables + return implode(', ', $tables); + } + + // -------------------------------------------------------------------- + + /** + * Insert statement + * + * Generates a platform-specific insert string from the supplied data + * + * @param string the table name + * @param array the insert keys + * @param array the insert values + * @return string + */ + protected function _insert($table, $keys, $values) + { + return "INSERT INTO {$table} (".implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; + } + + // -------------------------------------------------------------------- + + /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause + * @param array the limit clause + * @return string + */ + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + { + foreach ($values as $key => $val) + { + $valstr[] = $key." = ".$val; + } + + //$limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; + + $sql = "UPDATE {$table} SET ".implode(', ', $valstr); + + $sql .= ($where != '' AND count($where) >=1) ? ' WHERE '.implode(' ', $where) : ''; + + $sql .= $orderby; + + return $sql; + } + + + // -------------------------------------------------------------------- + + /** + * Truncate statement + * + * Generates a platform-specific truncate string from the supplied data + * If the database does not support the truncate() command + * This public function maps to "DELETE FROM table" + * + * @param string the table name + * @return string + */ + protected function _truncate($table) + { + return $this->_delete($table); + } + + // -------------------------------------------------------------------- + + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @param string the table name + * @param array the where clause + * @param string the limit clause + * @return string + */ + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = ''; + + if (count($where) > 0 OR count($like) > 0) + { + $conditions = "\nWHERE "; + $conditions .= implode("\n", $this->ar_where); + + if (count($where) > 0 && count($like) > 0) + { + $conditions .= ' AND '; + } + $conditions .= implode("\n", $like); + } + + //$limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + + return "DELETE FROM {$table}{$conditions}"; + } + + // -------------------------------------------------------------------- + + /** + * Limit string + * + * Generates a platform-specific LIMIT clause + * + * @param string the sql query string + * @param integer the number of rows to limit the query to + * @param integer the offset value + * @return string + */ + protected function _limit($sql, $limit, $offset) + { + // Keep the current sql string safe for a moment + $orig_sql = $sql; + + // Limit clause depends on if Interbase or Firebird + if (stripos($this->version(), 'firebird') !== FALSE) + { + $sql = 'FIRST '. (int) $limit; + + if ($offset > 0) + { + $sql .= ' SKIP '. (int) $offset; + } + } + else + { + $sql = 'ROWS ' . (int) $limit; + + if ($offset > 0) + { + $sql = 'ROWS '. (int) $offset . ' TO ' . ($limit + $offset); + } + } + + return preg_replace('`SELECT`i', "SELECT {$sql}", $orig_sql); + } + + // -------------------------------------------------------------------- + + /** + * Close DB Connection + * + * @param resource + * @return void + */ + protected function _close($conn_id) + { + @ibase_close($conn_id); + } + +} + +/* End of file interbase_driver.php */ +/* Location: ./system/database/drivers/interbase/interbase_driver.php */ diff --git a/system/database/drivers/interbase/interbase_forge.php b/system/database/drivers/interbase/interbase_forge.php new file mode 100644 index 000000000..023d278ce --- /dev/null +++ b/system/database/drivers/interbase/interbase_forge.php @@ -0,0 +1,243 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. + * + * @package CodeIgniter + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 3.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * Interbase/Firebird Forge Class + * + * @category Database + * @author EllisLab Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_interbase_forge extends CI_DB_forge { + + /** + * Create database + * + * @param string the database name + * @return string + */ + protected function _create_database($filename='') + { + // Firebird databases are flat files, so a path is required + // Hostname is needed for remote access + return 'CREATE DATABASE "'.$this->hostname.':'.$filename.'"'; + + } + + // -------------------------------------------------------------------- + + /** + * Drop database + * + * @param string the database name - not used in this driver + * - the current db is dropped + * @return bool + */ + protected function _drop_database($name='') + { + return ibase_drop_db($this->conn_id); + } + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @param string the table name + * @param array the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return string + */ + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + $sql .= $this->db->protect_identifiers($table)."("; + $current_field_count = 0; + + foreach ($fields as $field => $attributes) + { + // Numeric field names aren't allowed in databases, so if the key is + // numeric, we know it was assigned by PHP and the developer manually + // entered the field information, so we'll simply add it to the list + if (is_numeric($field)) + { + $sql .= "\n\t$attributes"; + } + else + { + $attributes = array_change_key_case($attributes, CASE_UPPER); + + $sql .= "\n\t".$this->db->protect_identifiers($field); + + $sql .= ' '.$attributes['TYPE']; + + if (array_key_exists('CONSTRAINT', $attributes)) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } + + if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (array_key_exists('DEFAULT', $attributes)) + { + $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; + } + + if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } + } + + // don't add a comma on the end of the last field + if (++$current_field_count < count($fields)) + { + $sql .= ','; + } + } + + if (count($primary_keys) > 0) + { + $primary_keys = $this->db->protect_identifiers($primary_keys); + $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + } + + if (is_array($keys) && count($keys) > 0) + { + foreach ($keys as $key) + { + if (is_array($key)) + { + $key = $this->db->protect_identifiers($key); + } + else + { + $key = array($this->db->protect_identifiers($key)); + } + + $sql .= ",\n\tUNIQUE (" . implode(', ', $key) . ")"; + } + } + + $sql .= "\n)"; + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Drop Table + * + * @return string + */ + protected function _drop_table($table) + { + return 'DROP TABLE '.$name; + } + + // -------------------------------------------------------------------- + + /** + * Alter table query + * + * Generates a platform-specific query so that a table can be altered + * Called by add_column(), drop_column(), and column_alter(), + * + * @param string the ALTER type (ADD, DROP, CHANGE) + * @param string the column name + * @param string the table name + * @param string the column definition + * @param string the default value + * @param boolean should 'NOT NULL' be added + * @param string the field after which we should add the new field + * @return string + */ + protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table)." $alter_type ".$this->db->protect_identifiers($column_name); + + $sql .= " {$column_definition}"; + + if ($default_value != '') + { + $sql .= " DEFAULT \"{$default_value}\""; + } + + if ($null === NULL) + { + $sql .= ' NULL'; + } + else + { + $sql .= ' NOT NULL'; + } + + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->protect_identifiers($after_field); + } + + return $sql; + + } + + // -------------------------------------------------------------------- + + /** + * Rename a table + * + * Generates a platform-specific query so that a table can be renamed + * + * @param string the old table name + * @param string the new table name + * @return string + */ + protected function _rename_table($table_name, $new_table_name) + { + return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); + } +} + +/* End of file interbase_forge.php */ +/* Location: ./system/database/drivers/interbase/interbase_forge.php */
\ No newline at end of file diff --git a/system/database/drivers/interbase/interbase_result.php b/system/database/drivers/interbase/interbase_result.php new file mode 100644 index 000000000..4b15eee20 --- /dev/null +++ b/system/database/drivers/interbase/interbase_result.php @@ -0,0 +1,294 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. + * + * @package CodeIgniter + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 3.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * Interbase/Firebird Result Class + * + * This class extends the parent result class: CI_DB_result + * + * @category Database + * @author EllisLab Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_interbase_result extends CI_DB_result { + + public $num_rows; + + /** + * Number of rows in the result set + * + * @return integer + */ + public function num_rows() + { + if( ! is_null($this->num_rows)) + { + return $this->num_rows; + } + + //Get the results so that you can get an accurate rowcount + $this->result(); + + return $this->num_rows; + } + + // -------------------------------------------------------------------- + + /** + * Number of fields in the result set + * + * @return integer + */ + public function num_fields() + { + return @ibase_num_fields($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Fetch Field Names + * + * Generates an array of column names + * + * @return array + */ + public function list_fields() + { + $field_names = array(); + for ($i = 0, $num_fields = $this->num_fields(); $i < $num_fields; $i++) + { + $info = ibase_field_info($this->result_id, $i); + $field_names[] = $info['name']; + } + + return $field_names; + } + + // -------------------------------------------------------------------- + + /** + * Field data + * + * Generates an array of objects containing field meta-data + * + * @return array + */ + public function field_data() + { + + $retval = array(); + for ($i = 0, $num_fields = $this->num_fields(); $i < $num_fields; $i++) + { + $info = ibase_field_info($this->result_id, $i); + + $F = new stdClass(); + $F->name = $info['name']; + $F->type = $info['type']; + $F->max_length = $info['length']; + $F->primary_key = 0; + $F->default = ''; + + $retval[] = $F; + } + + return $retval; + } + + // -------------------------------------------------------------------- + + /** + * Free the result + * + * @return null + */ + public function free_result() + { + @ibase_free_result($this->result_id); + } + + // -------------------------------------------------------------------- + + /** + * Data Seek + * + * Moves the internal pointer to the desired offset. We call + * this internally before fetching results to make sure the + * result set starts at zero + * + * @return array + */ + protected function _data_seek($n = 0) + { + //Set the row count to 0 + $this->num_rows = 0; + + //Interbase driver doesn't implement a suitable function + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Result - associative array + * + * Returns the result set as an array + * + * @return array + */ + protected function _fetch_assoc() + { + if (($row = @ibase_fetch_assoc($this->result_id, IBASE_FETCH_BLOBS)) !== FALSE) + { + //Increment row count + $this->num_rows++; + } + + return $row; + } + + // -------------------------------------------------------------------- + + /** + * Result - object + * + * Returns the result set as an object + * + * @return object + */ + protected function _fetch_object() + { + if (($row = @ibase_fetch_object($this->result_id, IBASE_FETCH_BLOBS)) !== FALSE) + { + //Increment row count + $this->num_rows++; + } + + return $row; + } + + // -------------------------------------------------------------------- + + /** + * Query result. "object" version. + * + * @return object + */ + public function result_object() + { + if (count($this->result_object) > 0) + { + return $this->result_object; + } + + // Convert result array to object so that + // We don't have to get the result again + if (count($this->result_array) > 0) + { + $i = 0; + + foreach ($this->result_array as $array) + { + $this->result_object[$i] = new StdClass(); + + foreach ($array as $key => $val) + { + $this->result_object[$i]->{$key} = $val; + } + + ++$i; + } + + return $this->result_object; + } + + // In the event that query caching is on the result_id variable + // will return FALSE since there isn't a valid SQL resource so + // we'll simply return an empty array. + if ($this->result_id === FALSE) + { + return array(); + } + + $this->num_rows = 0; + while ($row = $this->_fetch_object()) + { + $this->result_object[] = $row; + } + + return $this->result_object; + } + + // -------------------------------------------------------------------- + + /** + * Query result. "array" version. + * + * @return array + */ + public function result_array() + { + if (count($this->result_array) > 0) + { + return $this->result_array; + } + + // Since the object and array are really similar, just case + // the result object to an array if need be + if (count($this->result_object) > 0) + { + foreach ($this->result_object as $obj) + { + $this->result_array[] = (array) $obj; + } + + return $this->result_array; + } + + // In the event that query caching is on the result_id variable + // will return FALSE since there isn't a valid SQL resource so + // we'll simply return an empty array. + if ($this->result_id === FALSE) + { + return array(); + } + + $this->num_rows = 0; + while ($row = $this->_fetch_assoc()) + { + $this->result_array[] = $row; + } + + return $this->result_array; + } + +} + +/* End of file interbase_result.php */ +/* Location: ./system/database/drivers/interbase/interbase_result.php */
\ No newline at end of file diff --git a/system/database/drivers/interbase/interbase_utility.php b/system/database/drivers/interbase/interbase_utility.php new file mode 100644 index 000000000..76a0497c1 --- /dev/null +++ b/system/database/drivers/interbase/interbase_utility.php @@ -0,0 +1,115 @@ +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 5.1.6 or newer + * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. + * + * @package CodeIgniter + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 3.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * Interbase/Firebird Utility Class + * + * @category Database + * @author EllisLab Dev Team + * @link http://codeigniter.com/user_guide/database/ + */ +class CI_DB_interbase_utility extends CI_DB_utility { + + /** + * List databases + * + * I don't believe you can do a database listing with Firebird + * since each database is its own file. I suppose we could + * try reading a directory looking for Firebird files, but + * that doesn't seem like a terribly good idea + * + * @return bool + */ + public function _list_databases() + { + if ($this->db_debug) + { + return $this->db->display_error('db_unsuported_feature'); + } + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Optimize table query + * + * Is optimization even supported in Interbase/Firebird? + * + * @param string the table name + * @return object + */ + public function _optimize_table($table) + { + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Repair table query + * + * Table repairs are not supported in Interbase/Firebird + * + * @param string the table name + * @return object + */ + public function _repair_table($table) + { + return FALSE; + } + + // -------------------------------------------------------------------- + + /** + * Interbase/Firebird Export + * + * @param string $filename + * @return mixed + */ + public function backup($filename) + { + if ($service = ibase_service_attach($this->db->hostname, $this->db->username, $this->db->password)) + { + $res = ibase_backup($service, $this->db->database, $filename.'.fbk'); + + //Close the service connection + ibase_service_detach($service); + + return $res; + } + else + { + return FALSE; + } + } +} + +/* End of file interbase_utility.php */ +/* Location: ./system/database/drivers/interbase/interbase_utility.php */
\ No newline at end of file diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php index 87e7c9d37..147c63483 100644 --- a/system/database/drivers/mssql/mssql_driver.php +++ b/system/database/drivers/mssql/mssql_driver.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -114,30 +114,25 @@ class CI_DB_mssql_driver extends CI_DB { /** * Select the database * - * @access private called by the base class - * @return resource + * @param string database name + * @return bool */ - function db_select() + public function db_select($database = '') { + if ($database === '') + { + $database = $this->database; + } + // Note: The brackets are required in the event that the DB name // contains reserved characters - return @mssql_select_db('['.$this->database.']', $this->conn_id); - } - - // -------------------------------------------------------------------- + if (@mssql_select_db('['.$database.']', $this->conn_id)) + { + $this->database = $database; + return TRUE; + } - /** - * Set client character set - * - * @access public - * @param string - * @param string - * @return resource - */ - function db_set_charset($charset, $collation) - { - // @todo - add support if needed - return TRUE; + return FALSE; } // -------------------------------------------------------------------- @@ -344,12 +339,11 @@ class CI_DB_mssql_driver extends CI_DB { /** * Version number query string * - * @access public - * @return string + * @return string */ - function _version() + protected function _version() { - return "SELECT @@VERSION AS ver"; + return 'SELECT @@VERSION AS ver'; } // -------------------------------------------------------------------- @@ -443,28 +437,18 @@ class CI_DB_mssql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string - */ - function _error_message() - { - return mssql_get_last_message(); - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @access private - * @return integer + * @return array */ - function _error_number() + public function error() { - // Are error numbers supported? - return ''; + $query = $this->query('SELECT @@ERROR AS code'); + $query = $query->row(); + return array('code' => $query->code, 'message' => mssql_get_last_message()); } // -------------------------------------------------------------------- @@ -676,4 +660,4 @@ class CI_DB_mssql_driver extends CI_DB { /* End of file mssql_driver.php */ -/* Location: ./system/database/drivers/mssql/mssql_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mssql/mssql_driver.php */ diff --git a/system/database/drivers/mssql/mssql_forge.php b/system/database/drivers/mssql/mssql_forge.php index 0a893f68f..dd8aa3448 100644 --- a/system/database/drivers/mssql/mssql_forge.php +++ b/system/database/drivers/mssql/mssql_forge.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/mssql/mssql_result.php b/system/database/drivers/mssql/mssql_result.php index a8cd7c982..bba2e6243 100644 --- a/system/database/drivers/mssql/mssql_result.php +++ b/system/database/drivers/mssql/mssql_result.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/mssql/mssql_utility.php b/system/database/drivers/mssql/mssql_utility.php index 576d13f86..be6ed5bb0 100644 --- a/system/database/drivers/mssql/mssql_utility.php +++ b/system/database/drivers/mssql/mssql_utility.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 6ded6e531..7fd08a6ed 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * MySQL Database Adapter Class * @@ -42,46 +40,47 @@ */ class CI_DB_mysql_driver extends CI_DB { - var $dbdriver = 'mysql'; + public $dbdriver = 'mysql'; // The character used for escaping - var $_escape_char = '`'; + protected $_escape_char = '`'; // clause and character used for LIKE escape sequences - not used in MySQL - var $_like_escape_str = ''; - var $_like_escape_chr = ''; - - /** - * Whether to use the MySQL "delete hack" which allows the number - * of affected rows to be shown. Uses a preg_replace when enabled, - * adding a bit more processing to all queries. - */ - var $delete_hack = TRUE; + protected $_like_escape_str = ''; + protected $_like_escape_chr = ''; /** * The syntax to count rows is slightly different across different * database engines, so this string appears in each driver and is * used for the count_all() and count_all_results() functions. */ - var $_count_string = 'SELECT COUNT(*) AS '; - var $_random_keyword = ' RAND()'; // database specific random keyword - - // whether SET NAMES must be used to set the character set - var $use_set_names; + protected $_count_string = 'SELECT COUNT(*) AS '; + protected $_random_keyword = ' RAND()'; // database specific random keyword /** - * Non-persistent database connection - * - * @access private called by the base class - * @return resource + * Whether to use the MySQL "delete hack" which allows the number + * of affected rows to be shown. Uses a preg_replace when enabled, + * adding a bit more processing to all queries. */ - function db_connect() + public $delete_hack = TRUE; + + public function __construct($params) { + parent::__construct($params); + if ($this->port != '') { $this->hostname .= ':'.$this->port; } + } + /** + * Non-persistent database connection + * + * @return resource + */ + public function db_connect() + { return @mysql_connect($this->hostname, $this->username, $this->password, TRUE); } @@ -90,16 +89,10 @@ class CI_DB_mysql_driver extends CI_DB { /** * Persistent database connection * - * @access private called by the base class * @return resource */ - function db_pconnect() + public function db_pconnect() { - if ($this->port != '') - { - $this->hostname .= ':'.$this->port; - } - return @mysql_pconnect($this->hostname, $this->username, $this->password); } @@ -111,10 +104,9 @@ class CI_DB_mysql_driver extends CI_DB { * Keep / reestablish the db connection if no queries have been * sent for a length of time exceeding the server's idle timeout * - * @access public * @return void */ - function reconnect() + public function reconnect() { if (mysql_ping($this->conn_id) === FALSE) { @@ -127,12 +119,23 @@ class CI_DB_mysql_driver extends CI_DB { /** * Select the database * - * @access private called by the base class - * @return resource + * @param string database name + * @return bool */ - function db_select() + public function db_select($database = '') { - return @mysql_select_db($this->database, $this->conn_id); + if ($database === '') + { + $database = $this->database; + } + + if (@mysql_select_db($database, $this->conn_id)) + { + $this->database = $database; + return TRUE; + } + + return FALSE; } // -------------------------------------------------------------------- @@ -140,12 +143,11 @@ class CI_DB_mysql_driver extends CI_DB { /** * Set client character set * - * @access public * @param string * @param string - * @return resource + * @return bool */ - function db_set_charset($charset, $collation) + protected function _db_set_charset($charset, $collation) { return function_exists('mysql_set_charset') ? @mysql_set_charset($charset, $this->conn_id) @@ -155,14 +157,15 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @access public * @return string */ - function _version() + public function version() { - return "SELECT version() AS ver"; + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = @mysql_get_server_info($this->conn_id); } // -------------------------------------------------------------------- @@ -170,14 +173,12 @@ class CI_DB_mysql_driver extends CI_DB { /** * Execute the query * - * @access private called by the base class * @param string an SQL query - * @return resource + * @return mixed */ - function _execute($sql) + protected function _execute($sql) { - $sql = $this->_prep_query($sql); - return @mysql_query($sql, $this->conn_id); + return @mysql_query($this->_prep_query($sql), $this->conn_id); } // -------------------------------------------------------------------- @@ -187,20 +188,16 @@ class CI_DB_mysql_driver extends CI_DB { * * If needed, each database adapter can prep the query string * - * @access private called by execute() * @param string an SQL query * @return string */ - function _prep_query($sql) + protected function _prep_query($sql) { - // "DELETE FROM TABLE" returns 0 affected rows This hack modifies - // the query so that it returns the number of affected rows - if ($this->delete_hack === TRUE) + // mysql_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack + // modifies the query so that it a proper number of affected rows is returned. + if ($this->delete_hack === TRUE && preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql)) { - if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql)) - { - $sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql); - } + return preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/', 'DELETE FROM \\1 WHERE 1=1', $sql); } return $sql; @@ -211,18 +208,12 @@ class CI_DB_mysql_driver extends CI_DB { /** * Begin Transaction * - * @access public * @return bool */ - function trans_begin($test_mode = FALSE) + public function trans_begin($test_mode = FALSE) { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -230,7 +221,7 @@ class CI_DB_mysql_driver extends CI_DB { // Reset the transaction failure flag. // If the $test_mode flag is set to TRUE transactions will be rolled back // even if the queries produce a successful result. - $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + $this->_trans_failure = ($test_mode === TRUE); $this->simple_query('SET AUTOCOMMIT=0'); $this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK @@ -242,18 +233,12 @@ class CI_DB_mysql_driver extends CI_DB { /** * Commit Transaction * - * @access public * @return bool */ - function trans_commit() + public function trans_commit() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -268,18 +253,12 @@ class CI_DB_mysql_driver extends CI_DB { /** * Rollback Transaction * - * @access public * @return bool */ - function trans_rollback() + public function trans_rollback() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -294,12 +273,11 @@ class CI_DB_mysql_driver extends CI_DB { /** * Escape String * - * @access public * @param string * @param bool whether or not the string will be used in a LIKE condition * @return string */ - function escape_str($str, $like = FALSE) + public function escape_str($str, $like = FALSE) { if (is_array($str)) { @@ -311,7 +289,7 @@ class CI_DB_mysql_driver extends CI_DB { return $str; } - if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id)) + if (function_exists('mysql_real_escape_string') && is_resource($this->conn_id)) { $str = mysql_real_escape_string($str, $this->conn_id); } @@ -327,7 +305,7 @@ class CI_DB_mysql_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str); + return str_replace(array('%', '_'), array('\\%', '\\_'), $str); } return $str; @@ -338,10 +316,9 @@ class CI_DB_mysql_driver extends CI_DB { /** * Affected Rows * - * @access public - * @return integer + * @return int */ - function affected_rows() + public function affected_rows() { return @mysql_affected_rows($this->conn_id); } @@ -351,10 +328,9 @@ class CI_DB_mysql_driver extends CI_DB { /** * Insert ID * - * @access public - * @return integer + * @return int */ - function insert_id() + public function insert_id() { return @mysql_insert_id($this->conn_id); } @@ -367,27 +343,25 @@ class CI_DB_mysql_driver extends CI_DB { * Generates a platform-specific query string that counts all records in * the specified database * - * @access public * @param string * @return string */ - function count_all($table = '') + public function count_all($table = '') { if ($table == '') { return 0; } - $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); - + $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); if ($query->num_rows() == 0) { return 0; } - $row = $query->row(); + $query = $query->row(); $this->_reset_select(); - return (int) $row->numrows; + return (int) $query->numrows; } // -------------------------------------------------------------------- @@ -397,17 +371,16 @@ class CI_DB_mysql_driver extends CI_DB { * * Generates a platform-specific query string so that the table names can be fetched * - * @access private - * @param boolean + * @param bool * @return string */ - function _list_tables($prefix_limit = FALSE) + protected function _list_tables($prefix_limit = FALSE) { - $sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char; + $sql = 'SHOW TABLES FROM '.$this->_escape_char.$this->database.$this->_escape_char; - if ($prefix_limit !== FALSE AND $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix != '') { - $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'"; + return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'"; } return $sql; @@ -420,55 +393,61 @@ class CI_DB_mysql_driver extends CI_DB { * * Generates a platform-specific query string so that the column names can be fetched * - * @access public * @param string the table name * @return string */ - function _list_columns($table = '') + public function _list_columns($table = '') { - return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE); + return 'SHOW COLUMNS FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE); } // -------------------------------------------------------------------- /** - * Field data query + * Returns an object with field data * - * Generates a platform-specific query so that the column data can be retrieved - * - * @access public * @param string the table name * @return object */ - function _field_data($table) + public function field_data($table = '') { - return "DESCRIBE ".$table; - } + if ($table == '') + { + return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; + } - // -------------------------------------------------------------------- + $query = $this->query('DESCRIBE '.$this->_protect_identifiers($table, TRUE, NULL, FALSE)); + $query = $query->result_object(); - /** - * The error message string - * - * @access private - * @return string - */ - function _error_message() - { - return mysql_error($this->conn_id); + $retval = array(); + for ($i = 0, $c = count($query); $i < $c; $i++) + { + preg_match('/([a-z]+)(\(\d+\))?/', $query[$i]->Type, $matches); + + $retval[$i] = new stdClass(); + $retval[$i]->name = $query[$i]->Field; + $retval[$i]->type = empty($matches[1]) ? NULL : $matches[1]; + $retval[$i]->default = $query[$i]->Default; + $retval[$i]->max_length = empty($matches[2]) ? NULL : preg_replace('/[^\d]/', '', $matches[2]); + $retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI'); + } + + return $retval; } // -------------------------------------------------------------------- /** - * The error message number + * Error + * + * Returns an array containing code and message of the last + * database error that has occured. * - * @access private - * @return integer + * @return array */ - function _error_number() + public function error() { - return mysql_errno($this->conn_id); + return array('code' => mysql_errno($this->conn_id), 'message' => mysql_error($this->conn_id)); } // -------------------------------------------------------------------- @@ -478,11 +457,10 @@ class CI_DB_mysql_driver extends CI_DB { * * This function escapes column and table names * - * @access private * @param string * @return string */ - function _escape_identifiers($item) + public function _escape_identifiers($item) { if ($this->_escape_char == '') { @@ -493,24 +471,20 @@ class CI_DB_mysql_driver extends CI_DB { { if (strpos($item, '.'.$id) !== FALSE) { - $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + $item = str_replace('.', $this->_escape_char.'.', $item); // remove duplicates if the user already included the escape - return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item); } } if (strpos($item, '.') !== FALSE) { - $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; - } - else - { - $str = $this->_escape_char.$item.$this->_escape_char; + $item = str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item); } // remove duplicates if the user already included the escape - return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item.$this->_escape_char); } // -------------------------------------------------------------------- @@ -521,11 +495,10 @@ class CI_DB_mysql_driver extends CI_DB { * This function implicitly groups FROM tables so there is no confusion * about operator precedence in harmony with SQL standards * - * @access public - * @param type - * @return type + * @param string table name + * @return string */ - function _from_tables($tables) + protected function _from_tables($tables) { if ( ! is_array($tables)) { @@ -542,15 +515,14 @@ class CI_DB_mysql_driver extends CI_DB { * * Generates a platform-specific insert string from the supplied data * - * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - function _insert($table, $keys, $values) + protected function _insert($table, $keys, $values) { - return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; } // -------------------------------------------------------------------- @@ -561,15 +533,14 @@ class CI_DB_mysql_driver extends CI_DB { * * Generates a platform-specific replace string from the supplied data * - * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - function _replace($table, $keys, $values) + protected function _replace($table, $keys, $values) { - return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + return 'REPLACE INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; } // -------------------------------------------------------------------- @@ -579,15 +550,14 @@ class CI_DB_mysql_driver extends CI_DB { * * Generates a platform-specific insert string from the supplied data * - * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - function _insert_batch($table, $keys, $values) + protected function _insert_batch($table, $keys, $values) { - return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); + return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES '.implode(', ', $values); } // -------------------------------------------------------------------- @@ -598,7 +568,6 @@ class CI_DB_mysql_driver extends CI_DB { * * Generates a platform-specific update string from the supplied data * - * @access public * @param string the table name * @param array the update data * @param array the where clause @@ -606,34 +575,22 @@ class CI_DB_mysql_driver extends CI_DB { * @param array the limit clause * @return string */ - function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) { foreach ($values as $key => $val) { - $valstr[] = $key . ' = ' . $val; + $valstr[] = $key.' = '.$val; } - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - - $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; - - $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); - - $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; - - if (count($like) > 0) + $where = ($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : ''; + if (count($like) > 0) { - $sql .= ($where == '' AND count($where) <1) ? " WHERE " : ' AND '; - - foreach ($like as $st_like) - { - $sql .= " " . $st_like; - } + $where .= ($where == '' ? ' WHERE ' : ' AND ').implode(' ', $like); } - $sql .= $orderby.$limit; - - return $sql; + return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where + .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '') + .( ! $limit ? '' : ' LIMIT '.$limit); } // -------------------------------------------------------------------- @@ -644,17 +601,14 @@ class CI_DB_mysql_driver extends CI_DB { * * Generates a platform-specific batch update string from the supplied data * - * @access public * @param string the table name * @param array the update data * @param array the where clause * @return string */ - function _update_batch($table, $values, $index, $where = NULL) + protected function _update_batch($table, $values, $index, $where = NULL) { $ids = array(); - $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; - foreach ($values as $key => $val) { $ids[] = $val[$index]; @@ -668,30 +622,21 @@ class CI_DB_mysql_driver extends CI_DB { } } - $sql = "UPDATE ".$table." SET "; $cases = ''; - foreach ($final as $k => $v) { - $cases .= $k.' = CASE '."\n"; - foreach ($v as $row) - { - $cases .= $row."\n"; - } - - $cases .= 'ELSE '.$k.' END, '; + $cases .= $k." = CASE \n" + .implode("\n", $v)."\n" + .'ELSE '.$k.' END, '; } - $sql .= substr($cases, 0, -2); - - $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; - - return $sql; + return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) + .' WHERE '.(($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') + .$index.' IN('.implode(',', $ids).')'; } // -------------------------------------------------------------------- - /** * Truncate statement * @@ -699,13 +644,12 @@ class CI_DB_mysql_driver extends CI_DB { * If the database does not support the truncate() command * This function maps to "DELETE FROM table" * - * @access public * @param string the table name * @return string */ - function _truncate($table) + protected function _truncate($table) { - return "TRUNCATE ".$table; + return 'TRUNCATE '.$table; } // -------------------------------------------------------------------- @@ -715,31 +659,27 @@ class CI_DB_mysql_driver extends CI_DB { * * Generates a platform-specific delete string from the supplied data * - * @access public * @param string the table name * @param array the where clause * @param string the limit clause * @return string */ - function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) { $conditions = ''; if (count($where) > 0 OR count($like) > 0) { - $conditions = "\nWHERE "; - $conditions .= implode("\n", $this->ar_where); + $conditions = "\nWHERE ".implode("\n", $this->ar_where); if (count($where) > 0 && count($like) > 0) { - $conditions .= " AND "; + $conditions .= ' AND '; } $conditions .= implode("\n", $like); } - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - - return "DELETE FROM ".$table.$conditions.$limit; + return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); } // -------------------------------------------------------------------- @@ -749,24 +689,14 @@ class CI_DB_mysql_driver extends CI_DB { * * Generates a platform-specific LIMIT clause * - * @access public * @param string the sql query string - * @param integer the number of rows to limit the query to - * @param integer the offset value + * @param int the number of rows to limit the query to + * @param int the offset value * @return string */ - function _limit($sql, $limit, $offset) + protected function _limit($sql, $limit, $offset) { - if ($offset == 0) - { - $offset = ''; - } - else - { - $offset .= ", "; - } - - return $sql."LIMIT ".$offset.$limit; + return $sql.' LIMIT '.($offset == 0 ? '' : $offset.', ').$limit; } // -------------------------------------------------------------------- @@ -774,17 +704,15 @@ class CI_DB_mysql_driver extends CI_DB { /** * Close DB Connection * - * @access public * @param resource * @return void */ - function _close($conn_id) + protected function _close($conn_id) { @mysql_close($conn_id); } } - /* End of file mysql_driver.php */ -/* Location: ./system/database/drivers/mysql/mysql_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mysql/mysql_driver.php */ diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php index 89aaf5de3..0f251b086 100644 --- a/system/database/drivers/mysql/mysql_forge.php +++ b/system/database/drivers/mysql/mysql_forge.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * MySQL Forge Class * @@ -39,13 +37,12 @@ class CI_DB_mysql_forge extends CI_DB_forge { /** * Create database * - * @access private * @param string the database name - * @return bool + * @return string */ - function _create_database($name) + public function _create_database($name) { - return "CREATE DATABASE ".$name; + return 'CREATE DATABASE '.$name; } // -------------------------------------------------------------------- @@ -53,13 +50,12 @@ class CI_DB_mysql_forge extends CI_DB_forge { /** * Drop database * - * @access private * @param string the database name - * @return bool + * @return string */ - function _drop_database($name) + public function _drop_database($name) { - return "DROP DATABASE ".$name; + return 'DROP DATABASE '.$name; } // -------------------------------------------------------------------- @@ -67,83 +63,57 @@ class CI_DB_mysql_forge extends CI_DB_forge { /** * Process Fields * - * @access private * @param mixed the fields * @return string */ - function _process_fields($fields) + private function _process_fields($fields) { $current_field_count = 0; $sql = ''; - foreach ($fields as $field=>$attributes) + foreach ($fields as $field => $attributes) { // Numeric field names aren't allowed in databases, so if the key is // numeric, we know it was assigned by PHP and the developer manually // entered the field information, so we'll simply add it to the list if (is_numeric($field)) { - $sql .= "\n\t$attributes"; + $sql .= "\n\t".$attributes; } else { $attributes = array_change_key_case($attributes, CASE_UPPER); - $sql .= "\n\t".$this->db->_protect_identifiers($field); - - if (array_key_exists('NAME', $attributes)) - { - $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' '; - } + $sql .= "\n\t".$this->db->protect_identifiers($field) + .( ! empty($attributes['NAME']) ? ' '.$this->db->protect_identifiers($attributes['NAME']).' ' : ''); - if (array_key_exists('TYPE', $attributes)) + if ( ! empty($attributes['TYPE'])) { $sql .= ' '.$attributes['TYPE']; - if (array_key_exists('CONSTRAINT', $attributes)) + if ( ! empty($attributes['CONSTRAINT'])) { - switch ($attributes['TYPE']) + switch (strtolower($attributes['TYPE'])) { case 'decimal': case 'float': case 'numeric': $sql .= '('.implode(',', $attributes['CONSTRAINT']).')'; - break; - + break; case 'enum': case 'set': $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")'; - break; - + break; default: $sql .= '('.$attributes['CONSTRAINT'].')'; } } } - if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) - { - $sql .= ' UNSIGNED'; - } - - if (array_key_exists('DEFAULT', $attributes)) - { - $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; - } - - if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } - - if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) - { - $sql .= ' AUTO_INCREMENT'; - } + $sql .= (( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') + .(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '') + .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') + .(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : ''); } // don't add a comma on the end of the last field @@ -161,15 +131,14 @@ class CI_DB_mysql_forge extends CI_DB_forge { /** * Create Table * - * @access private * @param string the table name * @param mixed the fields * @param mixed primary key(s) * @param mixed key(s) - * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -178,15 +147,12 @@ class CI_DB_mysql_forge extends CI_DB_forge { $sql .= 'IF NOT EXISTS '; } - $sql .= $this->db->_escape_identifiers($table)." ("; - - $sql .= $this->_process_fields($fields); + $sql .= $this->db->protect_identifiers($table).' ('.$this->_process_fields($fields); if (count($primary_keys) > 0) { $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys)); - $primary_keys = $this->db->_protect_identifiers($primary_keys); - $sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")"; + $sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->protect_identifiers($primary_keys)).')'; } if (is_array($keys) && count($keys) > 0) @@ -204,13 +170,11 @@ class CI_DB_mysql_forge extends CI_DB_forge { $key = array($key_name); } - $sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")"; + $sql .= ",\n\tKEY ".$key_name.' ('.implode(', ', $key).')'; } } - $sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};"; - - return $sql; + return $sql."\n) DEFAULT CHARACTER SET ".$this->db->char_set.' COLLATE '.$this->db->dbcollat.';'; } // -------------------------------------------------------------------- @@ -218,12 +182,12 @@ class CI_DB_mysql_forge extends CI_DB_forge { /** * Drop Table * - * @access private + * @param string table name * @return string */ - function _drop_table($table) + public function _drop_table($table) { - return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table); + return 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table); } // -------------------------------------------------------------------- @@ -232,33 +196,26 @@ class CI_DB_mysql_forge extends CI_DB_forge { * Alter table query * * Generates a platform-specific query so that a table can be altered - * Called by add_column(), drop_column(), and column_alter(), + * Called by add_column(), drop_column() and column_alter() * - * @access private * @param string the ALTER type (ADD, DROP, CHANGE) * @param string the column name * @param array fields * @param string the field after which we should add the new field - * @return object + * @return string */ - function _alter_table($alter_type, $table, $fields, $after_field = '') + public function _alter_table($alter_type, $table, $fields, $after_field = '') { - $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type "; + $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '; // DROP has everything it needs now. - if ($alter_type == 'DROP') + if ($alter_type === 'DROP') { - return $sql.$this->db->_protect_identifiers($fields); + return $sql.$this->db->protect_identifiers($fields); } - $sql .= $this->_process_fields($fields); - - if ($after_field != '') - { - $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); - } - - return $sql; + return $sql.$this->_process_fields($fields) + .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } // -------------------------------------------------------------------- @@ -268,18 +225,16 @@ class CI_DB_mysql_forge extends CI_DB_forge { * * Generates a platform-specific query so that a table can be renamed * - * @access private * @param string the old table name * @param string the new table name * @return string */ - function _rename_table($table_name, $new_table_name) + public function _rename_table($table_name, $new_table_name) { - $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); - return $sql; + return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); } } /* End of file mysql_forge.php */ -/* Location: ./system/database/drivers/mysql/mysql_forge.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mysql/mysql_forge.php */ diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php index 29297b6a4..5a65d9c72 100644 --- a/system/database/drivers/mysql/mysql_result.php +++ b/system/database/drivers/mysql/mysql_result.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// -------------------------------------------------------------------- - /** * MySQL Result Class * @@ -41,10 +39,9 @@ class CI_DB_mysql_result extends CI_DB_result { /** * Number of rows in the result set * - * @access public - * @return integer + * @return int */ - function num_rows() + public function num_rows() { return @mysql_num_rows($this->result_id); } @@ -54,10 +51,9 @@ class CI_DB_mysql_result extends CI_DB_result { /** * Number of fields in the result set * - * @access public - * @return integer + * @return int */ - function num_fields() + public function num_fields() { return @mysql_num_fields($this->result_id); } @@ -69,10 +65,9 @@ class CI_DB_mysql_result extends CI_DB_result { * * Generates an array of column names * - * @access public * @return array */ - function list_fields() + public function list_fields() { $field_names = array(); while ($field = mysql_fetch_field($this->result_id)) @@ -90,27 +85,19 @@ class CI_DB_mysql_result extends CI_DB_result { * * Generates an array of objects containing field meta-data * - * @access public * @return array */ - function field_data() + public function field_data() { $retval = array(); - while ($field = mysql_fetch_object($this->result_id)) + for ($i = 0, $c = $this->num_fields(); $i < $c; $i++) { - preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches); - - $type = (array_key_exists(1, $matches)) ? $matches[1] : NULL; - $length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL; - - $F = new stdClass(); - $F->name = $field->Field; - $F->type = $type; - $F->default = $field->Default; - $F->max_length = $length; - $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 ); - - $retval[] = $F; + $retval[$i] = new stdClass(); + $retval[$i]->name = mysql_field_name($this->result_id, $i); + $retval[$i]->type = mysql_field_type($this->result_id, $i); + $retval[$i]->max_length = mysql_field_len($this->result_id, $i); + $retval[$i]->primary_key = (strpos(mysql_field_flags($this->result_id, $i), 'primary_key') === FALSE) ? 0 : 1; + $retval[$i]->default = ''; } return $retval; @@ -121,9 +108,9 @@ class CI_DB_mysql_result extends CI_DB_result { /** * Free the result * - * @return null + * @return void */ - function free_result() + public function free_result() { if (is_resource($this->result_id)) { @@ -137,14 +124,13 @@ class CI_DB_mysql_result extends CI_DB_result { /** * Data Seek * - * Moves the internal pointer to the desired offset. We call + * Moves the internal pointer to the desired offset. We call * this internally before fetching results to make sure the * result set starts at zero * - * @access private * @return array */ - function _data_seek($n = 0) + protected function _data_seek($n = 0) { return mysql_data_seek($this->result_id, $n); } @@ -156,10 +142,9 @@ class CI_DB_mysql_result extends CI_DB_result { * * Returns the result set as an array * - * @access private * @return array */ - function _fetch_assoc() + protected function _fetch_assoc() { return mysql_fetch_assoc($this->result_id); } @@ -171,16 +156,14 @@ class CI_DB_mysql_result extends CI_DB_result { * * Returns the result set as an object * - * @access private * @return object */ - function _fetch_object() + protected function _fetch_object() { return mysql_fetch_object($this->result_id); } } - /* End of file mysql_result.php */ -/* Location: ./system/database/drivers/mysql/mysql_result.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mysql/mysql_result.php */ diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php index 9cb6645eb..952f887fe 100644 --- a/system/database/drivers/mysql/mysql_utility.php +++ b/system/database/drivers/mysql/mysql_utility.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * MySQL Utility Class * @@ -39,12 +37,11 @@ class CI_DB_mysql_utility extends CI_DB_utility { /** * List databases * - * @access private - * @return bool + * @return string */ - function _list_databases() + public function _list_databases() { - return "SHOW DATABASES"; + return 'SHOW DATABASES'; } // -------------------------------------------------------------------- @@ -54,13 +51,12 @@ class CI_DB_mysql_utility extends CI_DB_utility { * * Generates a platform-specific query so that a table can be optimized * - * @access private * @param string the table name - * @return object + * @return string */ - function _optimize_table($table) + public function _optimize_table($table) { - return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table); + return 'OPTIMIZE TABLE '.$this->db->protect_identifiers($table); } // -------------------------------------------------------------------- @@ -70,26 +66,24 @@ class CI_DB_mysql_utility extends CI_DB_utility { * * Generates a platform-specific query so that a table can be repaired * - * @access private * @param string the table name - * @return object + * @return string */ - function _repair_table($table) + public function _repair_table($table) { - return "REPAIR TABLE ".$this->db->_escape_identifiers($table); + return 'REPAIR TABLE '.$this->db->protect_identifiers($table); } // -------------------------------------------------------------------- /** * MySQL Export * - * @access private * @param array Preferences * @return mixed */ - function _backup($params = array()) + public function _backup($params = array()) { - if (count($params) == 0) + if (count($params) === 0) { return FALSE; } @@ -99,16 +93,16 @@ class CI_DB_mysql_utility extends CI_DB_utility { // Build the output $output = ''; - foreach ((array)$tables as $table) + foreach ( (array) $tables as $table) { // Is the table in the "ignore" list? - if (in_array($table, (array)$ignore, TRUE)) + if (in_array($table, (array) $ignore, TRUE)) { continue; } // Get the table schema - $query = $this->db->query("SHOW CREATE TABLE `".$this->db->database.'`.`'.$table.'`'); + $query = $this->db->query('SHOW CREATE TABLE '.$this->db->protect_identifiers($this->db->database).'.'.$this->db->protect_identifiers($table)); // No result means the table name was invalid if ($query === FALSE) @@ -121,7 +115,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { if ($add_drop == TRUE) { - $output .= 'DROP TABLE IF EXISTS '.$table.';'.$newline.$newline; + $output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline; } $i = 0; @@ -141,7 +135,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { } // Grab all the data from the current table - $query = $this->db->query("SELECT * FROM $table"); + $query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table)); if ($query->num_rows() == 0) { @@ -149,7 +143,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { } // Fetch the field names and determine if the field is an - // integer type. We use this info to decide whether to + // integer type. We use this info to decide whether to // surround the data with quotes or not $i = 0; @@ -158,20 +152,17 @@ class CI_DB_mysql_utility extends CI_DB_utility { while ($field = mysql_fetch_field($query->result_id)) { // Most versions of MySQL store timestamp as a string - $is_int[$i] = (in_array( - strtolower(mysql_field_type($query->result_id, $i)), - array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'), - TRUE) - ) ? TRUE : FALSE; + $is_int[$i] = in_array(strtolower(mysql_field_type($query->result_id, $i)), + array('tinyint', 'smallint', 'mediumint', 'int', 'bigint'), //, 'timestamp'), + TRUE); // Create a string of field names - $field_str .= '`'.$field->name.'`, '; + $field_str .= $this->db->protect_identifiers($field->name).', '; $i++; } // Trim off the end comma - $field_str = preg_replace( "/, $/" , "" , $field_str); - + $field_str = preg_replace('/, $/' , '', $field_str); // Build the insert string foreach ($query->result_array() as $row) @@ -189,14 +180,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { else { // Escape the data if it's not an integer - if ($is_int[$i] == FALSE) - { - $val_str .= $this->db->escape($v); - } - else - { - $val_str .= $v; - } + $val_str .= ($is_int[$i] == FALSE) ? $this->db->escape($v) : $v; } // Append a comma @@ -205,10 +189,10 @@ class CI_DB_mysql_utility extends CI_DB_utility { } // Remove the comma at the end of the string - $val_str = preg_replace( "/, $/" , "" , $val_str); + $val_str = preg_replace('/, $/' , '', $val_str); // Build the INSERT string - $output .= 'INSERT INTO '.$table.' ('.$field_str.') VALUES ('.$val_str.');'.$newline; + $output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline; } $output .= $newline.$newline; @@ -216,7 +200,8 @@ class CI_DB_mysql_utility extends CI_DB_utility { return $output; } + } /* End of file mysql_utility.php */ -/* Location: ./system/database/drivers/mysql/mysql_utility.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mysql/mysql_utility.php */ diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index fb5953bd7..25b6ceca1 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,17 +18,15 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** - * MySQLi Database Adapter Class - MySQLi only works with PHP 5 + * MySQLi Database Adapter Class * * Note: _DB is an extender class that the app controller * creates dynamically based on whether the active record @@ -42,52 +40,40 @@ */ class CI_DB_mysqli_driver extends CI_DB { - var $dbdriver = 'mysqli'; + public $dbdriver = 'mysqli'; // The character used for escaping - var $_escape_char = '`'; + protected $_escape_char = '`'; // clause and character used for LIKE escape sequences - not used in MySQL - var $_like_escape_str = ''; - var $_like_escape_chr = ''; + protected $_like_escape_str = ''; + protected $_like_escape_chr = ''; /** * The syntax to count rows is slightly different across different * database engines, so this string appears in each driver and is * used for the count_all() and count_all_results() functions. */ - var $_count_string = "SELECT COUNT(*) AS "; - var $_random_keyword = ' RAND()'; // database specific random keyword + protected $_count_string = 'SELECT COUNT(*) AS '; + protected $_random_keyword = ' RAND()'; // database specific random keyword /** * Whether to use the MySQL "delete hack" which allows the number * of affected rows to be shown. Uses a preg_replace when enabled, * adding a bit more processing to all queries. */ - var $delete_hack = TRUE; - - // whether SET NAMES must be used to set the character set - var $use_set_names; - - // -------------------------------------------------------------------- + public $delete_hack = TRUE; /** * Non-persistent database connection * - * @access private called by the base class - * @return resource + * @return object */ - function db_connect() + public function db_connect() { - if ($this->port != '') - { - return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port); - } - else - { - return @mysqli_connect($this->hostname, $this->username, $this->password, $this->database); - } - + return ($this->port != '') + ? @mysqli_connect($this->hostname, $this->username, $this->password, $this->database, $this->port) + : @mysqli_connect($this->hostname, $this->username, $this->password, $this->database); } // -------------------------------------------------------------------- @@ -95,12 +81,19 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Persistent database connection * - * @access private called by the base class - * @return resource + * @return object */ - function db_pconnect() + public function db_pconnect() { - return $this->db_connect(); + // Persistent connection support was added in PHP 5.3.0 + if ( ! is_php('5.3')) + { + return $this->db_connect(); + } + + return ($this->port != '') + ? @mysqli_connect('p:'.$this->hostname, $this->username, $this->password, $this->database, $this->port) + : @mysqli_connect('p:'.$this->hostname, $this->username, $this->password, $this->database); } // -------------------------------------------------------------------- @@ -111,10 +104,9 @@ class CI_DB_mysqli_driver extends CI_DB { * Keep / reestablish the db connection if no queries have been * sent for a length of time exceeding the server's idle timeout * - * @access public * @return void */ - function reconnect() + public function reconnect() { if (mysqli_ping($this->conn_id) === FALSE) { @@ -127,12 +119,23 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Select the database * - * @access private called by the base class - * @return resource + * @param string database name + * @return bool */ - function db_select() + public function db_select($database = '') { - return @mysqli_select_db($this->conn_id, $this->database); + if ($database === '') + { + $database = $this->database; + } + + if (@mysqli_select_db($this->conn_id, $database)) + { + $this->database = $database; + return TRUE; + } + + return FALSE; } // -------------------------------------------------------------------- @@ -140,12 +143,11 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Set client character set * - * @access private * @param string * @param string - * @return resource + * @return bool */ - function _db_set_charset($charset, $collation) + protected function _db_set_charset($charset, $collation) { return function_exists('mysqli_set_charset') ? @mysqli_set_charset($this->conn_id, $charset) @@ -155,14 +157,15 @@ class CI_DB_mysqli_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @access public * @return string */ - function _version() + public function version() { - return "SELECT version() AS ver"; + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = @mysqli_get_server_info($this->conn_id); } // -------------------------------------------------------------------- @@ -170,15 +173,12 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Execute the query * - * @access private called by the base class * @param string an SQL query - * @return resource + * @return mixed */ - function _execute($sql) + protected function _execute($sql) { - $sql = $this->_prep_query($sql); - $result = @mysqli_query($this->conn_id, $sql); - return $result; + return @mysqli_query($this->conn_id, $this->_prep_query($sql)); } // -------------------------------------------------------------------- @@ -188,20 +188,16 @@ class CI_DB_mysqli_driver extends CI_DB { * * If needed, each database adapter can prep the query string * - * @access private called by execute() * @param string an SQL query * @return string */ - function _prep_query($sql) + protected function _prep_query($sql) { - // "DELETE FROM TABLE" returns 0 affected rows This hack modifies - // the query so that it returns the number of affected rows - if ($this->delete_hack === TRUE) + // mysqli_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack + // modifies the query so that it a proper number of affected rows is returned. + if ($this->delete_hack === TRUE && preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql)) { - if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql)) - { - $sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql); - } + return preg_replace('/^\s*DELETE\s+FROM\s+(\S+)\s*$/', 'DELETE FROM \\1 WHERE 1=1', $sql); } return $sql; @@ -212,18 +208,12 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Begin Transaction * - * @access public * @return bool */ - function trans_begin($test_mode = FALSE) + public function trans_begin($test_mode = FALSE) { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -231,7 +221,7 @@ class CI_DB_mysqli_driver extends CI_DB { // Reset the transaction failure flag. // If the $test_mode flag is set to TRUE transactions will be rolled back // even if the queries produce a successful result. - $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + $this->_trans_failure = ($test_mode === TRUE); $this->simple_query('SET AUTOCOMMIT=0'); $this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK @@ -243,18 +233,12 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Commit Transaction * - * @access public * @return bool */ - function trans_commit() + public function trans_commit() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -269,18 +253,12 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Rollback Transaction * - * @access public * @return bool */ - function trans_rollback() + public function trans_rollback() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -295,12 +273,11 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Escape String * - * @access public * @param string * @param bool whether or not the string will be used in a LIKE condition * @return string */ - function escape_str($str, $like = FALSE) + public function escape_str($str, $like = FALSE) { if (is_array($str)) { @@ -312,7 +289,7 @@ class CI_DB_mysqli_driver extends CI_DB { return $str; } - if (function_exists('mysqli_real_escape_string') AND is_object($this->conn_id)) + if (function_exists('mysqli_real_escape_string') && is_object($this->conn_id)) { $str = mysqli_real_escape_string($this->conn_id, $str); } @@ -328,7 +305,7 @@ class CI_DB_mysqli_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str); + return str_replace(array('%', '_'), array('\\%', '\\_'), $str); } return $str; @@ -339,10 +316,9 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Affected Rows * - * @access public - * @return integer + * @return int */ - function affected_rows() + public function affected_rows() { return @mysqli_affected_rows($this->conn_id); } @@ -352,10 +328,9 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Insert ID * - * @access public - * @return integer + * @return int */ - function insert_id() + public function insert_id() { return @mysqli_insert_id($this->conn_id); } @@ -368,27 +343,25 @@ class CI_DB_mysqli_driver extends CI_DB { * Generates a platform-specific query string that counts all records in * the specified database * - * @access public * @param string * @return string */ - function count_all($table = '') + public function count_all($table = '') { if ($table == '') { return 0; } - $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); - + $query = $this->query($this->_count_string.$this->_protect_identifiers('numrows').' FROM '.$this->_protect_identifiers($table, TRUE, NULL, FALSE)); if ($query->num_rows() == 0) { return 0; } - $row = $query->row(); + $query = $query->row(); $this->_reset_select(); - return (int) $row->numrows; + return (int) $query->numrows; } // -------------------------------------------------------------------- @@ -399,16 +372,16 @@ class CI_DB_mysqli_driver extends CI_DB { * Generates a platform-specific query string so that the table names can be fetched * * @access private - * @param boolean + * @param bool * @return string */ - function _list_tables($prefix_limit = FALSE) + protected function _list_tables($prefix_limit = FALSE) { - $sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char; + $sql = 'SHOW TABLES FROM '.$this->_escape_char.$this->database.$this->_escape_char; - if ($prefix_limit !== FALSE AND $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix != '') { - $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'"; + return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'"; } return $sql; @@ -421,55 +394,61 @@ class CI_DB_mysqli_driver extends CI_DB { * * Generates a platform-specific query string so that the column names can be fetched * - * @access public * @param string the table name * @return string */ - function _list_columns($table = '') + protected function _list_columns($table = '') { - return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE); + return 'SHOW COLUMNS FROM '.$this->_protect_identifiers($table, TRUE, NULL, FALSE); } // -------------------------------------------------------------------- /** - * Field data query + * Returns an object with field data * - * Generates a platform-specific query so that the column data can be retrieved - * - * @access public * @param string the table name * @return object */ - function _field_data($table) + public function field_data($table = '') { - return "DESCRIBE ".$table; - } + if ($table == '') + { + return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; + } - // -------------------------------------------------------------------- + $query = $this->query('DESCRIBE '.$this->_protect_identifiers($table, TRUE, NULL, FALSE)); + $query = $query->result_object(); - /** - * The error message string - * - * @access private - * @return string - */ - function _error_message() - { - return mysqli_error($this->conn_id); + $retval = array(); + for ($i = 0, $c = count($query); $i < $c; $i++) + { + preg_match('/([a-z]+)(\(\d+\))?/', $query[$i]->Type, $matches); + + $retval[$i] = new stdClass(); + $retval[$i]->name = $query[$i]->Field; + $retval[$i]->type = empty($matches[1]) ? NULL : $matches[1]; + $retval[$i]->default = $query[$i]->Default; + $retval[$i]->max_length = empty($matches[2]) ? NULL : preg_replace('/[^\d]/', '', $matches[2]); + $retval[$i]->primary_key = (int) ($query[$i]->Key === 'PRI'); + } + + return $retval; } // -------------------------------------------------------------------- /** - * The error message number + * Error * - * @access private - * @return integer + * Returns an array containing code and message of the last + * database error that has occured. + * + * @return array */ - function _error_number() + public function error() { - return mysqli_errno($this->conn_id); + return array('code' => mysqli_errno($this->conn_id), 'message' => mysqli_error($this->conn_id)); } // -------------------------------------------------------------------- @@ -479,11 +458,10 @@ class CI_DB_mysqli_driver extends CI_DB { * * This function escapes column and table names * - * @access private * @param string * @return string */ - function _escape_identifiers($item) + public function _escape_identifiers($item) { if ($this->_escape_char == '') { @@ -494,24 +472,20 @@ class CI_DB_mysqli_driver extends CI_DB { { if (strpos($item, '.'.$id) !== FALSE) { - $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); + $item = str_replace('.', $this->_escape_char.'.', $item); // remove duplicates if the user already included the escape - return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item); } } if (strpos($item, '.') !== FALSE) { - $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; - } - else - { - $str = $this->_escape_char.$item.$this->_escape_char; + $item = str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item); } // remove duplicates if the user already included the escape - return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); + return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $this->_escape_char.$item.$this->_escape_char); } // -------------------------------------------------------------------- @@ -522,11 +496,10 @@ class CI_DB_mysqli_driver extends CI_DB { * This function implicitly groups FROM tables so there is no confusion * about operator precedence in harmony with SQL standards * - * @access public - * @param type - * @return type + * @param string + * @return string */ - function _from_tables($tables) + protected function _from_tables($tables) { if ( ! is_array($tables)) { @@ -543,15 +516,14 @@ class CI_DB_mysqli_driver extends CI_DB { * * Generates a platform-specific insert string from the supplied data * - * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - function _insert($table, $keys, $values) + protected function _insert($table, $keys, $values) { - return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; } // -------------------------------------------------------------------- @@ -561,15 +533,14 @@ class CI_DB_mysqli_driver extends CI_DB { * * Generates a platform-specific insert string from the supplied data * - * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - function _insert_batch($table, $keys, $values) + protected function _insert_batch($table, $keys, $values) { - return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); + return 'INSERT INTO '.$table.' ('.implode(', ', $keys).') VALUES '.implode(', ', $values); } // -------------------------------------------------------------------- @@ -580,17 +551,16 @@ class CI_DB_mysqli_driver extends CI_DB { * * Generates a platform-specific replace string from the supplied data * - * @access public * @param string the table name * @param array the insert keys * @param array the insert values * @return string */ - function _replace($table, $keys, $values) + protected function _replace($table, $keys, $values) { - return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + return 'REPLACE INTO '.$table.' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; } - + // -------------------------------------------------------------------- /** @@ -598,7 +568,6 @@ class CI_DB_mysqli_driver extends CI_DB { * * Generates a platform-specific update string from the supplied data * - * @access public * @param string the table name * @param array the update data * @param array the where clause @@ -606,24 +575,17 @@ class CI_DB_mysqli_driver extends CI_DB { * @param array the limit clause * @return string */ - function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE) { foreach ($values as $key => $val) { - $valstr[] = $key." = ".$val; + $valstr[] = $key.' = '.$val; } - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - - $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; - - $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); - - $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; - - $sql .= $orderby.$limit; - - return $sql; + return 'UPDATE '.$table.' SET '.implode(', ', $valstr) + .(($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : '') + .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '') + .( ! $limit ? '' : ' LIMIT '.$limit); } // -------------------------------------------------------------------- @@ -633,17 +595,14 @@ class CI_DB_mysqli_driver extends CI_DB { * * Generates a platform-specific batch update string from the supplied data * - * @access public * @param string the table name * @param array the update data * @param array the where clause * @return string */ - function _update_batch($table, $values, $index, $where = NULL) + protected function _update_batch($table, $values, $index, $where = NULL) { $ids = array(); - $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; - foreach ($values as $key => $val) { $ids[] = $val[$index]; @@ -657,25 +616,19 @@ class CI_DB_mysqli_driver extends CI_DB { } } - $sql = "UPDATE ".$table." SET "; $cases = ''; - foreach ($final as $k => $v) { - $cases .= $k.' = CASE '."\n"; - foreach ($v as $row) - { - $cases .= $row."\n"; - } - - $cases .= 'ELSE '.$k.' END, '; + $cases .= $k.' = CASE '."\n" + .implode("\n", $v)."\n" + .'ELSE '.$k.' END, '; } - $sql .= substr($cases, 0, -2); + $where = ($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : ''; - $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; - - return $sql; + return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) + .' WHERE '.(($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') + .$index.' IN('.implode(',', $ids).')'; } // -------------------------------------------------------------------- @@ -687,13 +640,12 @@ class CI_DB_mysqli_driver extends CI_DB { * If the database does not support the truncate() command * This function maps to "DELETE FROM table" * - * @access public * @param string the table name * @return string */ - function _truncate($table) + protected function _truncate($table) { - return "TRUNCATE ".$table; + return 'TRUNCATE '.$table; } // -------------------------------------------------------------------- @@ -703,31 +655,26 @@ class CI_DB_mysqli_driver extends CI_DB { * * Generates a platform-specific delete string from the supplied data * - * @access public * @param string the table name * @param array the where clause * @param string the limit clause * @return string */ - function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) { $conditions = ''; - if (count($where) > 0 OR count($like) > 0) { - $conditions = "\nWHERE "; - $conditions .= implode("\n", $this->ar_where); + $conditions = "\nWHERE ".implode("\n", $this->ar_where); if (count($where) > 0 && count($like) > 0) { - $conditions .= " AND "; + $conditions .= ' AND '; } $conditions .= implode("\n", $like); } - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - - return "DELETE FROM ".$table.$conditions.$limit; + return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); } // -------------------------------------------------------------------- @@ -737,22 +684,15 @@ class CI_DB_mysqli_driver extends CI_DB { * * Generates a platform-specific LIMIT clause * - * @access public * @param string the sql query string - * @param integer the number of rows to limit the query to - * @param integer the offset value + * @param int the number of rows to limit the query to + * @param int the offset value * @return string */ - function _limit($sql, $limit, $offset) + protected function _limit($sql, $limit, $offset) { - $sql .= "LIMIT ".$limit; - - if ($offset > 0) - { - $sql .= " OFFSET ".$offset; - } - - return $sql; + return $sql.' LIMIT '.$limit + .($offset > 0 ? ' OFFSET '.$offset : ''); } // -------------------------------------------------------------------- @@ -760,18 +700,15 @@ class CI_DB_mysqli_driver extends CI_DB { /** * Close DB Connection * - * @access public - * @param resource + * @param object * @return void */ - function _close($conn_id) + protected function _close($conn_id) { @mysqli_close($conn_id); } - } - /* End of file mysqli_driver.php */ -/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mysqli/mysqli_driver.php */ diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php index cdd5399f2..7de036127 100644 --- a/system/database/drivers/mysqli/mysqli_forge.php +++ b/system/database/drivers/mysqli/mysqli_forge.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * MySQLi Forge Class * @@ -39,13 +37,12 @@ class CI_DB_mysqli_forge extends CI_DB_forge { /** * Create database * - * @access private * @param string the database name - * @return bool + * @return string */ - function _create_database($name) + public function _create_database($name) { - return "CREATE DATABASE ".$name; + return 'CREATE DATABASE '.$name; } // -------------------------------------------------------------------- @@ -53,13 +50,12 @@ class CI_DB_mysqli_forge extends CI_DB_forge { /** * Drop database * - * @access private * @param string the database name - * @return bool + * @return string */ - function _drop_database($name) + public function _drop_database($name) { - return "DROP DATABASE ".$name; + return 'DROP DATABASE '.$name; } // -------------------------------------------------------------------- @@ -67,68 +63,35 @@ class CI_DB_mysqli_forge extends CI_DB_forge { /** * Process Fields * - * @access private * @param mixed the fields * @return string */ - function _process_fields($fields) + public function _process_fields($fields) { $current_field_count = 0; $sql = ''; - foreach ($fields as $field=>$attributes) + foreach ($fields as $field => $attributes) { // Numeric field names aren't allowed in databases, so if the key is // numeric, we know it was assigned by PHP and the developer manually // entered the field information, so we'll simply add it to the list if (is_numeric($field)) { - $sql .= "\n\t$attributes"; + $sql .= "\n\t".$attributes; } else { $attributes = array_change_key_case($attributes, CASE_UPPER); - $sql .= "\n\t".$this->db->_protect_identifiers($field); - - if (array_key_exists('NAME', $attributes)) - { - $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' '; - } - - if (array_key_exists('TYPE', $attributes)) - { - $sql .= ' '.$attributes['TYPE']; - } - - if (array_key_exists('CONSTRAINT', $attributes)) - { - $sql .= '('.$attributes['CONSTRAINT'].')'; - } - - if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) - { - $sql .= ' UNSIGNED'; - } - - if (array_key_exists('DEFAULT', $attributes)) - { - $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; - } - - if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } - - if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) - { - $sql .= ' AUTO_INCREMENT'; - } + $sql .= "\n\t".$this->db->protect_identifiers($field) + .( ! empty($attributes['NAME']) ? ' '.$this->db->protect_identifiers($attributes['NAME']).' ' : '') + .( ! empty($attributes['TYPE']) ? ' '.$attributes['TYPE'] : '') + .( ! empty($attributes['CONSTRAINT']) ? '('.$attributes['CONSTRAINT'].')' : '') + .(( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') + .(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '') + .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') + .(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : ''); } // don't add a comma on the end of the last field @@ -146,15 +109,14 @@ class CI_DB_mysqli_forge extends CI_DB_forge { /** * Create Table * - * @access private * @param string the table name * @param mixed the fields * @param mixed primary key(s) * @param mixed key(s) - * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -163,15 +125,12 @@ class CI_DB_mysqli_forge extends CI_DB_forge { $sql .= 'IF NOT EXISTS '; } - $sql .= $this->db->_escape_identifiers($table)." ("; - - $sql .= $this->_process_fields($fields); + $sql .= $this->db->_escape_identifiers($table).' ('.$this->_process_fields($fields); if (count($primary_keys) > 0) { - $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys)); - $primary_keys = $this->db->_protect_identifiers($primary_keys); - $sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")"; + $key_name = $this->db->protect_identifiers(implode('_', $primary_keys)); + $sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->protect_identifiers($primary_keys)).')'; } if (is_array($keys) && count($keys) > 0) @@ -180,22 +139,20 @@ class CI_DB_mysqli_forge extends CI_DB_forge { { if (is_array($key)) { - $key_name = $this->db->_protect_identifiers(implode('_', $key)); - $key = $this->db->_protect_identifiers($key); + $key_name = $this->db->protect_identifiers(implode('_', $key)); + $key = $this->db->protect_identifiers($key); } else { - $key_name = $this->db->_protect_identifiers($key); + $key_name = $this->db->protect_identifiers($key); $key = array($key_name); } - $sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")"; + $sql .= ",\n\tKEY ".$key_name.' ('.implode(', ', $key).')'; } } - $sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};"; - - return $sql; + return $sql."\n) DEFAULT CHARACTER SET ".$this->db->char_set.' COLLATE '.$this->db->dbcollat.';'; } // -------------------------------------------------------------------- @@ -203,12 +160,11 @@ class CI_DB_mysqli_forge extends CI_DB_forge { /** * Drop Table * - * @access private * @return string */ - function _drop_table($table) + public function _drop_table($table) { - return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table); + return 'DROP TABLE IF EXISTS '.$this->db->_escape_identifiers($table); } // -------------------------------------------------------------------- @@ -219,31 +175,24 @@ class CI_DB_mysqli_forge extends CI_DB_forge { * Generates a platform-specific query so that a table can be altered * Called by add_column(), drop_column(), and column_alter(), * - * @access private * @param string the ALTER type (ADD, DROP, CHANGE) * @param string the column name * @param array fields * @param string the field after which we should add the new field - * @return object + * @return string */ - function _alter_table($alter_type, $table, $fields, $after_field = '') + public function _alter_table($alter_type, $table, $fields, $after_field = '') { - $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type "; + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table).' '.$alter_type.' '; // DROP has everything it needs now. - if ($alter_type == 'DROP') - { - return $sql.$this->db->_protect_identifiers($fields); - } - - $sql .= $this->_process_fields($fields); - - if ($after_field != '') + if ($alter_type === 'DROP') { - $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + return $sql.$this->db->protect_identifiers($fields); } - return $sql; + return $sql.$this->_process_fields($fields) + .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } // -------------------------------------------------------------------- @@ -253,18 +202,16 @@ class CI_DB_mysqli_forge extends CI_DB_forge { * * Generates a platform-specific query so that a table can be renamed * - * @access private * @param string the old table name * @param string the new table name * @return string */ - function _rename_table($table_name, $new_table_name) + public function _rename_table($table_name, $new_table_name) { - $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); - return $sql; + return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); } } /* End of file mysqli_forge.php */ -/* Location: ./system/database/drivers/mysqli/mysqli_forge.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mysqli/mysqli_forge.php */ diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php index 163788b6c..8b909cc56 100644 --- a/system/database/drivers/mysqli/mysqli_result.php +++ b/system/database/drivers/mysqli/mysqli_result.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * MySQLi Result Class * @@ -41,10 +39,9 @@ class CI_DB_mysqli_result extends CI_DB_result { /** * Number of rows in the result set * - * @access public - * @return integer + * @return int */ - function num_rows() + public function num_rows() { return @mysqli_num_rows($this->result_id); } @@ -54,10 +51,9 @@ class CI_DB_mysqli_result extends CI_DB_result { /** * Number of fields in the result set * - * @access public - * @return integer + * @return int */ - function num_fields() + public function num_fields() { return @mysqli_num_fields($this->result_id); } @@ -69,10 +65,9 @@ class CI_DB_mysqli_result extends CI_DB_result { * * Generates an array of column names * - * @access public * @return array */ - function list_fields() + public function list_fields() { $field_names = array(); while ($field = mysqli_fetch_field($this->result_id)) @@ -90,40 +85,33 @@ class CI_DB_mysqli_result extends CI_DB_result { * * Generates an array of objects containing field meta-data * - * @access public * @return array */ - function field_data() + public function field_data() { $retval = array(); - while ($field = mysqli_fetch_object($this->result_id)) + $field_data = mysqli_fetch_fields($this->result_id); + for ($i = 0, $c = count($field_data); $i < $c; $i++) { - preg_match('/([a-zA-Z]+)(\(\d+\))?/', $field->Type, $matches); - - $type = (array_key_exists(1, $matches)) ? $matches[1] : NULL; - $length = (array_key_exists(2, $matches)) ? preg_replace('/[^\d]/', '', $matches[2]) : NULL; - - $F = new stdClass(); - $F->name = $field->Field; - $F->type = $type; - $F->default = $field->Default; - $F->max_length = $length; - $F->primary_key = ( $field->Key == 'PRI' ? 1 : 0 ); - - $retval[] = $F; + $retval[$i] = new stdClass(); + $retval[$i]->name = $field_data[$i]->name; + $retval[$i]->type = $field_data[$i]->type; + $retval[$i]->max_length = $field_data[$i]->max_length; + $retval[$i]->primary_key = (int) ($field_data[$i]->flags & 2); + $retval[$i]->default = ''; } return $retval; } - + // -------------------------------------------------------------------- /** * Free the result * - * @return null + * @return void */ - function free_result() + public function free_result() { if (is_object($this->result_id)) { @@ -141,10 +129,9 @@ class CI_DB_mysqli_result extends CI_DB_result { * this internally before fetching results to make sure the * result set starts at zero * - * @access private * @return array */ - function _data_seek($n = 0) + protected function _data_seek($n = 0) { return mysqli_data_seek($this->result_id, $n); } @@ -156,10 +143,9 @@ class CI_DB_mysqli_result extends CI_DB_result { * * Returns the result set as an array * - * @access private * @return array */ - function _fetch_assoc() + protected function _fetch_assoc() { return mysqli_fetch_assoc($this->result_id); } @@ -171,16 +157,14 @@ class CI_DB_mysqli_result extends CI_DB_result { * * Returns the result set as an object * - * @access private * @return object */ - function _fetch_object() + protected function _fetch_object() { return mysqli_fetch_object($this->result_id); } } - /* End of file mysqli_result.php */ -/* Location: ./system/database/drivers/mysqli/mysqli_result.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mysqli/mysqli_result.php */ diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php index ef7c89fab..3fdc5c723 100644 --- a/system/database/drivers/mysqli/mysqli_utility.php +++ b/system/database/drivers/mysqli/mysqli_utility.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * MySQLi Utility Class * @@ -39,12 +37,11 @@ class CI_DB_mysqli_utility extends CI_DB_utility { /** * List databases * - * @access private - * @return bool + * @return string */ - function _list_databases() + public function _list_databases() { - return "SHOW DATABASES"; + return 'SHOW DATABASES'; } // -------------------------------------------------------------------- @@ -54,13 +51,12 @@ class CI_DB_mysqli_utility extends CI_DB_utility { * * Generates a platform-specific query so that a table can be optimized * - * @access private * @param string the table name - * @return object + * @return string */ - function _optimize_table($table) + public function _optimize_table($table) { - return "OPTIMIZE TABLE ".$this->db->_escape_identifiers($table); + return 'OPTIMIZE TABLE '.$this->db->_escape_identifiers($table); } // -------------------------------------------------------------------- @@ -70,13 +66,12 @@ class CI_DB_mysqli_utility extends CI_DB_utility { * * Generates a platform-specific query so that a table can be repaired * - * @access private * @param string the table name - * @return object + * @return string */ - function _repair_table($table) + public function _repair_table($table) { - return "REPAIR TABLE ".$this->db->_escape_identifiers($table); + return 'REPAIR TABLE '.$this->db->_escape_identifiers($table); } // -------------------------------------------------------------------- @@ -84,11 +79,10 @@ class CI_DB_mysqli_utility extends CI_DB_utility { /** * MySQLi Export * - * @access private * @param array Preferences * @return mixed */ - function _backup($params = array()) + public function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); @@ -96,4 +90,4 @@ class CI_DB_mysqli_utility extends CI_DB_utility { } /* End of file mysqli_utility.php */ -/* Location: ./system/database/drivers/mysqli/mysqli_utility.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mysqli/mysqli_utility.php */ diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php index 9c38dcbd6..35cafff6c 100644 --- a/system/database/drivers/oci8/oci8_driver.php +++ b/system/database/drivers/oci8/oci8_driver.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -139,30 +139,15 @@ class CI_DB_oci8_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Set client character set + * Database version number * - * @access public - * @param string - * @param string - * @return resource - */ - public function db_set_charset($charset, $collation) - { - // this is done upon connect - return TRUE; - } - - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access protected - * @return string + * @return string */ - protected function _version() + public function version() { - return oci_server_version($this->conn_id); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = oci_server_version($this->conn_id); } // -------------------------------------------------------------------- @@ -398,10 +383,9 @@ class CI_DB_oci8_driver extends CI_DB { /** * Escape String * - * @access public - * @param string + * @param string * @param bool whether or not the string will be used in a LIKE condition - * @return string + * @return string */ public function escape_str($str, $like = FALSE) { @@ -415,15 +399,14 @@ class CI_DB_oci8_driver extends CI_DB { return $str; } - $str = remove_invisible_characters($str); - $str = str_replace("'", "''", $str); + $str = str_replace("'", "''", remove_invisible_characters($str)); // escape LIKE condition wildcards if ($like === TRUE) { - $str = str_replace( array('%', '_', $this->_like_escape_chr), - array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), - $str); + return str_replace(array($this->_like_escape_chr, '%', '_'), + array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'), + $str); } return $str; @@ -545,31 +528,32 @@ class CI_DB_oci8_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access protected - * @return string - */ - protected function _error_message() - { - // If the error was during connection, no conn_id should be passed - $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error(); - return $error['message']; - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @access protected - * @return integer + * @return array */ - protected function _error_number() + public function error() { - // Same as _error_message() - $error = is_resource($this->conn_id) ? oci_error($this->conn_id) : oci_error(); - return $error['code']; + /* oci_error() returns an array that already contains the + * 'code' and 'message' keys, so we can just return it. + */ + if (is_resource($this->curs_id)) + { + return oci_error($this->curs_id); + } + elseif (is_resource($this->stmt_id)) + { + return oci_error($this->stmt_id); + } + elseif (is_resource($this->conn_id)) + { + return oci_error($this->conn_id); + } + + return oci_error(); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/oci8/oci8_forge.php b/system/database/drivers/oci8/oci8_forge.php index bafab3d1b..0aa119907 100644 --- a/system/database/drivers/oci8/oci8_forge.php +++ b/system/database/drivers/oci8/oci8_forge.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -67,15 +67,14 @@ class CI_DB_oci8_forge extends CI_DB_forge { /** * Create Table * - * @access private * @param string the table name * @param array the fields * @param mixed primary key(s) * @param mixed key(s) - * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -84,54 +83,27 @@ class CI_DB_oci8_forge extends CI_DB_forge { $sql .= 'IF NOT EXISTS '; } - $sql .= $this->db->_escape_identifiers($table)." ("; + $sql .= $this->db->_escape_identifiers($table).' ('; $current_field_count = 0; - foreach ($fields as $field=>$attributes) + foreach ($fields as $field => $attributes) { // Numeric field names aren't allowed in databases, so if the key is // numeric, we know it was assigned by PHP and the developer manually // entered the field information, so we'll simply add it to the list if (is_numeric($field)) { - $sql .= "\n\t$attributes"; + $sql .= "\n\t".$attributes; } else { $attributes = array_change_key_case($attributes, CASE_UPPER); - $sql .= "\n\t".$this->db->_protect_identifiers($field); - - $sql .= ' '.$attributes['TYPE']; - - if (array_key_exists('CONSTRAINT', $attributes)) - { - $sql .= '('.$attributes['CONSTRAINT'].')'; - } - - if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) - { - $sql .= ' UNSIGNED'; - } - - if (array_key_exists('DEFAULT', $attributes)) - { - $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; - } - - if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } - - if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) - { - $sql .= ' AUTO_INCREMENT'; - } + $sql .= "\n\t".$this->db->protect_identifiers($field).' '.$attributes['TYPE'] + .((isset($attributes['UNSINGED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') + .(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '') + .((isset($attributes['NULL']) && $attributes['NULL'] === TRUE) ? '' : ' NOT NULL') + .(isset($attributes['CONSTRAINT']) ? ' CONSTRAINT '.$attributes['CONSTRAINT'] : ''); } // don't add a comma on the end of the last field @@ -143,8 +115,8 @@ class CI_DB_oci8_forge extends CI_DB_forge { if (count($primary_keys) > 0) { - $primary_keys = $this->db->_protect_identifiers($primary_keys); - $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + $primary_keys = $this->db->protect_identifiers($primary_keys); + $sql .= ",\n\tCONSTRAINT ".$table.' PRIMARY KEY ('.implode(', ', $primary_keys).')'; } if (is_array($keys) && count($keys) > 0) @@ -153,20 +125,18 @@ class CI_DB_oci8_forge extends CI_DB_forge { { if (is_array($key)) { - $key = $this->db->_protect_identifiers($key); + $key = $this->db->protect_identifiers($key); } else { - $key = array($this->db->_protect_identifiers($key)); + $key = array($this->db->protect_identifiers($key)); } - $sql .= ",\n\tUNIQUE COLUMNS (" . implode(', ', $key) . ")"; + $sql .= ",\n\tUNIQUE COLUMNS (".implode(', ', $key).")"; } } - $sql .= "\n)"; - - return $sql; + return $sql."\n)"; } // -------------------------------------------------------------------- @@ -257,4 +227,4 @@ class CI_DB_oci8_forge extends CI_DB_forge { } /* End of file oci8_forge.php */ -/* Location: ./system/database/drivers/oci8/oci8_forge.php */
\ No newline at end of file +/* Location: ./system/database/drivers/oci8/oci8_forge.php */ diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php index f32559289..0f69fa9ef 100644 --- a/system/database/drivers/oci8/oci8_result.php +++ b/system/database/drivers/oci8/oci8_result.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/oci8/oci8_utility.php b/system/database/drivers/oci8/oci8_utility.php index 28c374d99..d60f98bc4 100644 --- a/system/database/drivers/oci8/oci8_utility.php +++ b/system/database/drivers/oci8/oci8_utility.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index 0e9d46d3f..779b0c62f 100644 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -124,35 +124,6 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Set client character set - * - * @access public - * @param string - * @param string - * @return resource - */ - function db_set_charset($charset, $collation) - { - // @todo - add support if needed - return TRUE; - } - - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - return "SELECT version() AS ver"; - } - - // -------------------------------------------------------------------- - - /** * Execute the query * * @access private called by the base class @@ -414,27 +385,16 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string - */ - function _error_message() - { - return odbc_errormsg($this->conn_id); - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @access private - * @return integer + * @return array */ - function _error_number() + public function error() { - return odbc_error($this->conn_id); + return array('code' => odbc_error($this->conn_id), 'message' => odbc_errormsg($this->conn_id)); } // -------------------------------------------------------------------- @@ -646,4 +606,4 @@ class CI_DB_odbc_driver extends CI_DB { /* End of file odbc_driver.php */ -/* Location: ./system/database/drivers/odbc/odbc_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/odbc/odbc_driver.php */ diff --git a/system/database/drivers/odbc/odbc_forge.php b/system/database/drivers/odbc/odbc_forge.php index e326a2801..e0ec687c8 100644 --- a/system/database/drivers/odbc/odbc_forge.php +++ b/system/database/drivers/odbc/odbc_forge.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/odbc/odbc_result.php b/system/database/drivers/odbc/odbc_result.php index b23a821d3..572e110ca 100644 --- a/system/database/drivers/odbc/odbc_result.php +++ b/system/database/drivers/odbc/odbc_result.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -38,15 +38,27 @@ */ class CI_DB_odbc_result extends CI_DB_result { + public $num_rows; + /** * Number of rows in the result set * - * @access public - * @return integer + * @return int */ - function num_rows() + public function num_rows() { - return @odbc_num_rows($this->result_id); + if (is_int($this->num_rows)) + { + return $this->num_rows; + } + + // Work-around for ODBC subdrivers that don't support num_rows() + if (($this->num_rows = @odbc_num_rows($this->result_id)) === -1) + { + $this->num_rows = count($this->result_array()); + } + + return $this->num_rows; } // -------------------------------------------------------------------- @@ -54,10 +66,9 @@ class CI_DB_odbc_result extends CI_DB_result { /** * Number of fields in the result set * - * @access public - * @return integer + * @return int */ - function num_fields() + public function num_fields() { return @odbc_num_fields($this->result_id); } @@ -69,15 +80,19 @@ class CI_DB_odbc_result extends CI_DB_result { * * Generates an array of column names * - * @access public * @return array */ - function list_fields() + public function list_fields() { $field_names = array(); - for ($i = 0; $i < $this->num_fields(); $i++) + $num_fields = $this->num_fields(); + + if ($num_fields > 0) { - $field_names[] = odbc_field_name($this->result_id, $i); + for ($i = 1; $i <= $num_fields; $i++) + { + $field_names[] = odbc_field_name($this->result_id, $i); + } } return $field_names; @@ -90,22 +105,19 @@ class CI_DB_odbc_result extends CI_DB_result { * * Generates an array of objects containing field meta-data * - * @access public * @return array */ - function field_data() + public function field_data() { $retval = array(); - for ($i = 0; $i < $this->num_fields(); $i++) + for ($i = 0, $odbc_index = 1, $c = $this->num_fields(); $i < $c; $i++, $odbc_index++) { - $F = new stdClass(); - $F->name = odbc_field_name($this->result_id, $i); - $F->type = odbc_field_type($this->result_id, $i); - $F->max_length = odbc_field_len($this->result_id, $i); - $F->primary_key = 0; - $F->default = ''; - - $retval[] = $F; + $retval[$i] = new stdClass(); + $retval[$i]->name = odbc_field_name($this->result_id, $odbc_index); + $retval[$i]->type = odbc_field_type($this->result_id, $odbc_index); + $retval[$i]->max_length = odbc_field_len($this->result_id, $odbc_index); + $retval[$i]->primary_key = 0; + $retval[$i]->default = ''; } return $retval; @@ -237,4 +249,4 @@ class CI_DB_odbc_result extends CI_DB_result { /* End of file odbc_result.php */ -/* Location: ./system/database/drivers/odbc/odbc_result.php */
\ No newline at end of file +/* Location: ./system/database/drivers/odbc/odbc_result.php */ diff --git a/system/database/drivers/odbc/odbc_utility.php b/system/database/drivers/odbc/odbc_utility.php index 94666acbf..bae3fe853 100644 --- a/system/database/drivers/odbc/odbc_utility.php +++ b/system/database/drivers/odbc/odbc_utility.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 457cf714a..8fdfd58fb 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 2.1.0 @@ -46,9 +46,10 @@ class CI_DB_pdo_driver extends CI_DB { // the character used to excape - not necessary for PDO var $_escape_char = ''; + + // clause and character used for LIKE escape sequences var $_like_escape_str; var $_like_escape_chr; - /** * The syntax to count rows is slightly different across different @@ -57,29 +58,36 @@ class CI_DB_pdo_driver extends CI_DB { */ var $_count_string = "SELECT COUNT(*) AS "; var $_random_keyword; - + + // need to track the pdo DSN, driver and options + var $dsn; + var $pdodriver; var $options = array(); function __construct($params) { parent::__construct($params); - + + if (preg_match('/([^;]+):/', $this->dsn, $match) && count($match) == 2) + { + // If there is a minimum valid dsn string pattern found, we're done + // This is for general PDO users, who tend to have a full DSN string. + $this->pdodriver = end($match); + } + else + { + // Try to build a complete DSN string from params + $this->_connect_string($params); + } + // clause and character used for LIKE escape sequences - if (strpos($this->hostname, 'mysql') !== FALSE) + // this one depends on the driver being used + if ($this->pdodriver == 'mysql') { $this->_like_escape_str = ''; $this->_like_escape_chr = ''; - - //Prior to this version, the charset can't be set in the dsn - if(is_php('5.3.6')) - { - $this->hostname .= ";charset={$this->char_set}"; - } - - //Set the charset with the connection options - $this->options['PDO::MYSQL_ATTR_INIT_COMMAND'] = "SET NAMES {$this->char_set}"; } - else if (strpos($this->hostname, 'odbc') !== FALSE) + elseif ($this->pdodriver == 'odbc') { $this->_like_escape_str = " {escape '%s'} "; $this->_like_escape_chr = '!'; @@ -90,14 +98,94 @@ class CI_DB_pdo_driver extends CI_DB { $this->_like_escape_chr = '!'; } - if (strpos($this->hostname, 'sqlite') === FALSE) + $this->trans_enabled = FALSE; + $this->_random_keyword = ' RND('.time().')'; // database specific random keyword + } + + /** + * Connection String + * + * @access private + * @param array + * @return void + */ + function _connect_string($params) + { + if (strpos($this->hostname, ':')) { - $this->hostname .= ";dbname=".$this->database; + // hostname generally would have this prototype + // $db['hostname'] = 'pdodriver:host(/Server(/DSN))=hostname(/DSN);'; + // We need to get the prefix (pdodriver used by PDO). + $dsnarray = explode(':', $this->hostname); + $this->pdodriver = $dsnarray[0]; + + // End dsn with a semicolon for extra backward compability + // if database property was not empty. + if ( ! empty($this->database)) + { + $this->dsn .= rtrim($this->hostname, ';').';'; + } } - - $this->trans_enabled = FALSE; + else + { + // Invalid DSN, display an error + if ( ! array_key_exists('pdodriver', $params)) + { + show_error('Invalid DB Connection String for PDO'); + } - $this->_random_keyword = ' RND('.time().')'; // database specific random keyword + // Assuming that the following DSN string format is used: + // $dsn = 'pdo://username:password@hostname:port/database?pdodriver=pgsql'; + $this->dsn = $this->pdodriver.':'; + + // Add hostname to the DSN for databases that need it + if ( ! empty($this->hostname) + && strpos($this->hostname, ':') === FALSE + && in_array($this->pdodriver, array('informix', 'mysql', 'pgsql', 'sybase', 'mssql', 'dblib', 'cubrid'))) + { + $this->dsn .= 'host='.$this->hostname.';'; + } + + // Add a port to the DSN for databases that can use it + if ( ! empty($this->port) && in_array($this->pdodriver, array('informix', 'mysql', 'pgsql', 'ibm', 'cubrid'))) + { + $this->dsn .= 'port='.$this->port.';'; + } + } + + // Add the database name to the DSN, if needed + if (stripos($this->dsn, 'dbname') === FALSE + && in_array($this->pdodriver, array('4D', 'pgsql', 'mysql', 'firebird', 'sybase', 'mssql', 'dblib', 'cubrid'))) + { + $this->dsn .= 'dbname='.$this->database.';'; + } + elseif (stripos($this->dsn, 'database') === FALSE && in_array($this->pdodriver, array('ibm', 'sqlsrv'))) + { + if (stripos($this->dsn, 'dsn') === FALSE) + { + $this->dsn .= 'database='.$this->database.';'; + } + } + elseif ($this->pdodriver === 'sqlite' && $this->dsn === 'sqlite:') + { + if ($this->database !== ':memory') + { + if ( ! file_exists($this->database)) + { + show_error('Invalid DB Connection string for PDO SQLite'); + } + + $this->dsn .= (strpos($this->database, DIRECTORY_SEPARATOR) !== 0) ? DIRECTORY_SEPARATOR : ''; + } + + $this->dsn .= $this->database; + } + + // Add charset to the DSN, if needed + if ( ! empty($this->char_set) && in_array($this->pdodriver, array('4D', 'mysql', 'sybase', 'mssql', 'dblib', 'oci'))) + { + $this->dsn .= 'charset='.$this->char_set.';'; + } } /** @@ -108,9 +196,9 @@ class CI_DB_pdo_driver extends CI_DB { */ function db_connect() { - $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT; - - return new PDO($this->hostname, $this->username, $this->password, $this->options); + $this->options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_SILENT; + + return $this->pdo_connect(); } // -------------------------------------------------------------------- @@ -123,10 +211,44 @@ class CI_DB_pdo_driver extends CI_DB { */ function db_pconnect() { - $this->options['PDO::ATTR_ERRMODE'] = PDO::ERRMODE_SILENT; - $this->options['PDO::ATTR_PERSISTENT'] = TRUE; + $this->options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_SILENT; + $this->options[PDO::ATTR_PERSISTENT] = TRUE; - return new PDO($this->hostname, $this->username, $this->password, $this->options); + return $this->pdo_connect(); + } + + // -------------------------------------------------------------------- + + /** + * PDO connection + * + * @access private called by the PDO driver class + * @return resource + */ + function pdo_connect() + { + // Refer : http://php.net/manual/en/ref.pdo-mysql.connection.php + if ($this->pdodriver == 'mysql' && is_php('5.3.6')) + { + $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] = "SET NAMES $this->char_set COLLATE '$this->dbcollat'"; + } + + // Connecting... + try + { + $db = new PDO($this->dsn, $this->username, $this->password, $this->options); + } + catch (PDOException $e) + { + if ($this->db_debug && empty($this->failover)) + { + $this->display_error($e->getMessage(), '', TRUE); + } + + return FALSE; + } + + return $db; } // -------------------------------------------------------------------- @@ -146,6 +268,7 @@ class CI_DB_pdo_driver extends CI_DB { { return $this->db->display_error('db_unsuported_feature'); } + return FALSE; } @@ -166,30 +289,15 @@ class CI_DB_pdo_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Set client character set + * Database version number * - * @access public - * @param string - * @param string - * @return resource - */ - function db_set_charset($charset, $collation) - { - // @todo - add support if needed - return TRUE; - } - - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public * @return string */ - function _version() + public function version() { - return $this->conn_id->getAttribute(PDO::ATTR_CLIENT_VERSION); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = $this->conn_id->getAttribute(PDO::ATTR_SERVER_VERSION); } // -------------------------------------------------------------------- @@ -204,6 +312,7 @@ class CI_DB_pdo_driver extends CI_DB { function _execute($sql) { $sql = $this->_prep_query($sql); + $result_id = $this->conn_id->query($sql); if (is_object($result_id)) @@ -231,6 +340,17 @@ class CI_DB_pdo_driver extends CI_DB { */ function _prep_query($sql) { + if ($this->pdodriver === 'pgsql') + { + // Change the backtick(s) for Postgre + $sql = str_replace('`', '"', $sql); + } + elseif ($this->pdodriver === 'sqlite') + { + // Change the backtick(s) for SQLite + $sql = str_replace('`', '', $sql); + } + return $sql; } @@ -285,6 +405,7 @@ class CI_DB_pdo_driver extends CI_DB { } $ret = $this->conn->commit(); + return $ret; } @@ -310,6 +431,7 @@ class CI_DB_pdo_driver extends CI_DB { } $ret = $this->conn_id->rollBack(); + return $ret; } @@ -348,7 +470,9 @@ class CI_DB_pdo_driver extends CI_DB { if ($like === TRUE) { $str = str_replace( array('%', '_', $this->_like_escape_chr), - array($this->_like_escape_chr.'%', $this->_like_escape_chr.'_', $this->_like_escape_chr.$this->_like_escape_chr), + array($this->_like_escape_chr.'%', + $this->_like_escape_chr.'_', + $this->_like_escape_chr.$this->_like_escape_chr), $str); } @@ -372,31 +496,19 @@ class CI_DB_pdo_driver extends CI_DB { /** * Insert ID - * - * @access public - * @return integer + * + * @return int */ - function insert_id($name=NULL) + public function insert_id($name = NULL) { - //Convenience method for postgres insertid - if (strpos($this->hostname, 'pgsql') !== FALSE) + if ($this->pdodriver === 'pgsql' && $name === NULL && $this->version() >= '8.1') { - $v = $this->_version(); - - $table = func_num_args() > 0 ? func_get_arg(0) : NULL; - - if ($table == NULL && $v >= '8.1') - { - $sql='SELECT LASTVAL() as ins_id'; - } - $query = $this->query($sql); - $row = $query->row(); - return $row->ins_id; - } - else - { - return $this->conn_id->lastInsertId($name); + $query = $this->query('SELECT LASTVAL() AS ins_id'); + $query = $query->row(); + return $query->ins_id; } + + return $this->conn_id->lastInsertId($name); } // -------------------------------------------------------------------- @@ -418,7 +530,9 @@ class CI_DB_pdo_driver extends CI_DB { return 0; } - $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); + $sql = $this->_count_string.$this->_protect_identifiers('numrows').' FROM '; + $sql .= $this->_protect_identifiers($table, TRUE, NULL, FALSE); + $query = $this->query($sql); if ($query->num_rows() == 0) { @@ -427,6 +541,7 @@ class CI_DB_pdo_driver extends CI_DB { $row = $query->row(); $this->_reset_select(); + return (int) $row->numrows; } @@ -443,12 +558,19 @@ class CI_DB_pdo_driver extends CI_DB { */ function _list_tables($prefix_limit = FALSE) { - $sql = "SHOW TABLES FROM `".$this->database."`"; + if ($this->pdodriver == 'pgsql') + { + // Analog function to show all tables in postgre + $sql = "SELECT * FROM information_schema.tables WHERE table_schema = 'public'"; + } + else + { + $sql = "SHOW TABLES FROM `".$this->database."`"; + } if ($prefix_limit !== FALSE AND $this->dbprefix != '') { - //$sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); - return FALSE; // not currently supported + return FALSE; } return $sql; @@ -467,7 +589,7 @@ class CI_DB_pdo_driver extends CI_DB { */ function _list_columns($table = '') { - return "SHOW COLUMNS FROM ".$table; + return 'SHOW COLUMNS FROM '.$this->_from_tables($table); } // -------------------------------------------------------------------- @@ -483,34 +605,36 @@ class CI_DB_pdo_driver extends CI_DB { */ function _field_data($table) { - return "SELECT TOP 1 FROM ".$table; + return 'SELECT TOP 1 FROM '.$this->_from_tables($table); } // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string + * Returns an array containing code and message of the last + * database error that has occured. + * + * @return array */ - function _error_message() + public function error() { - $error_array = $this->conn_id->errorInfo(); - return $error_array[2]; - } + $error = array('code' => '00000', 'message' => ''); + $pdo_error = $this->conn_id->errorInfo(); - // -------------------------------------------------------------------- + if (empty($pdo_error[0])) + { + return $error; + } - /** - * The error message number - * - * @access private - * @return integer - */ - function _error_number() - { - return $this->conn_id->errorCode(); + $error['code'] = isset($pdo_error[1]) ? $pdo_error[0].'/'.$pdo_error[1] : $pdo_error[0]; + if (isset($pdo_error[2])) + { + $error['message'] = $pdo_error[2]; + } + + return $error; } // -------------------------------------------------------------------- @@ -544,8 +668,8 @@ class CI_DB_pdo_driver extends CI_DB { if (strpos($item, '.') !== FALSE) { - $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; - + $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item); + $str .= $this->_escape_char; } else { @@ -575,7 +699,7 @@ class CI_DB_pdo_driver extends CI_DB { $tables = array($tables); } - return (count($tables) == 1) ? $tables[0] : '('.implode(', ', $tables).')'; + return (count($tables) == 1) ? '`'.$tables[0].'`' : '('.implode(', ', $tables).')'; } // -------------------------------------------------------------------- @@ -593,7 +717,7 @@ class CI_DB_pdo_driver extends CI_DB { */ function _insert($table, $keys, $values) { - return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; + return 'INSERT INTO '.$this->_from_tables($table).' ('.implode(', ', $keys).') VALUES ('.implode(', ', $values).')'; } // -------------------------------------------------------------------- @@ -611,7 +735,7 @@ class CI_DB_pdo_driver extends CI_DB { */ function _insert_batch($table, $keys, $values) { - return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); + return 'INSERT INTO '.$this->_from_tables($table).' ('.implode(', ', $keys).') VALUES '.implode(', ', $values); } // -------------------------------------------------------------------- @@ -636,14 +760,11 @@ class CI_DB_pdo_driver extends CI_DB { $valstr[] = $key." = ".$val; } - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - - $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; - - $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); - - $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + $orderby = (count($orderby) >= 1) ? ' ORDER BY '.implode(', ', $orderby) : ''; + $sql = 'UPDATE '.$this->_from_tables($table).' SET '.implode(', ', $valstr); + $sql .= ($where != '' && count($where) >= 1) ? ' WHERE '.implode(' ', $where) : ''; $sql .= $orderby.$limit; return $sql; @@ -664,8 +785,8 @@ class CI_DB_pdo_driver extends CI_DB { */ function _update_batch($table, $values, $index, $where = NULL) { - $ids = array(); - $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; + $ids = array(); + $where = ($where != '' && count($where) >=1) ? implode(" ", $where).' AND ' : ''; foreach ($values as $key => $val) { @@ -680,12 +801,13 @@ class CI_DB_pdo_driver extends CI_DB { } } - $sql = "UPDATE ".$table." SET "; + $sql = 'UPDATE '.$this->_from_tables($table).' SET '; $cases = ''; foreach ($final as $k => $v) { $cases .= $k.' = CASE '."\n"; + foreach ($v as $row) { $cases .= $row."\n"; @@ -695,7 +817,6 @@ class CI_DB_pdo_driver extends CI_DB { } $sql .= substr($cases, 0, -2); - $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; return $sql; @@ -739,19 +860,20 @@ class CI_DB_pdo_driver extends CI_DB { if (count($where) > 0 OR count($like) > 0) { - $conditions = "\nWHERE "; + $conditions = "\nWHERE "; $conditions .= implode("\n", $this->ar_where); if (count($where) > 0 && count($like) > 0) { $conditions .= " AND "; } + $conditions .= implode("\n", $like); } $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - return "DELETE FROM ".$table.$conditions.$limit; + return 'DELETE FROM '.$this->_from_tables($table).$conditions.$limit; } // -------------------------------------------------------------------- @@ -769,27 +891,16 @@ class CI_DB_pdo_driver extends CI_DB { */ function _limit($sql, $limit, $offset) { - if (strpos($this->hostname, 'cubrid') !== FALSE || strpos($this->hostname, 'sqlite') !== FALSE) + if ($this->pdodriver == 'cubrid' OR $this->pdodriver == 'sqlite') { - if ($offset == 0) - { - $offset = ''; - } - else - { - $offset .= ", "; - } + $offset = ($offset == 0) ? '' : $offset.', '; - return $sql."LIMIT ".$offset.$limit; + return $sql.'LIMIT '.$offset.$limit; } else { - $sql .= "LIMIT ".$limit; - - if ($offset > 0) - { - $sql .= " OFFSET ".$offset; - } + $sql .= 'LIMIT '.$limit; + $sql .= ($offset > 0) ? ' OFFSET '.$offset : ''; return $sql; } @@ -809,10 +920,7 @@ class CI_DB_pdo_driver extends CI_DB { $this->conn_id = null; } - } - - /* End of file pdo_driver.php */ -/* Location: ./system/database/drivers/pdo/pdo_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/pdo/pdo_driver.php */ diff --git a/system/database/drivers/pdo/pdo_forge.php b/system/database/drivers/pdo/pdo_forge.php index bf3066529..478b2dbfb 100644 --- a/system/database/drivers/pdo/pdo_forge.php +++ b/system/database/drivers/pdo/pdo_forge.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 2.1.0 @@ -96,7 +96,7 @@ class CI_DB_pdo_forge extends CI_DB_forge { $sql .= 'IF NOT EXISTS '; } - $sql .= $this->db->_escape_identifiers($table)." ("; + $sql .= '`'.$this->db->_escape_identifiers($table).'` ('; $current_field_count = 0; foreach ($fields as $field=>$attributes) @@ -111,6 +111,7 @@ class CI_DB_pdo_forge extends CI_DB_forge { else { $attributes = array_change_key_case($attributes, CASE_UPPER); + $numeric = array('SERIAL', 'INTEGER'); $sql .= "\n\t".$this->db->_protect_identifiers($field); @@ -118,7 +119,11 @@ class CI_DB_pdo_forge extends CI_DB_forge { if (array_key_exists('CONSTRAINT', $attributes)) { - $sql .= '('.$attributes['CONSTRAINT'].')'; + // Exception for Postgre numeric which not too happy with constraint within those type + if ( ! ($this->db->pdodriver == 'pgsql' && in_array($attributes['TYPE'], $numeric))) + { + $sql .= '('.$attributes['CONSTRAINT'].')'; + } } if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) @@ -219,7 +224,7 @@ class CI_DB_pdo_forge extends CI_DB_forge { */ function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') { - $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + $sql = 'ALTER TABLE `'.$this->db->_protect_identifiers($table)."` $alter_type ".$this->db->_protect_identifiers($column_name); // DROP has everything it needs now. if ($alter_type == 'DROP') @@ -271,7 +276,6 @@ class CI_DB_pdo_forge extends CI_DB_forge { return $sql; } - } /* End of file pdo_forge.php */ diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php index 559c2edb3..c333abc40 100644 --- a/system/database/drivers/pdo/pdo_result.php +++ b/system/database/drivers/pdo/pdo_result.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 2.1.0 @@ -39,6 +39,16 @@ class CI_DB_pdo_result extends CI_DB_result { /** + * @var bool Hold the flag whether a result handler already fetched before + */ + protected $is_fetched = FALSE; + + /** + * @var mixed Hold the fetched assoc array of a result handler + */ + protected $result_assoc; + + /** * Number of rows in the result set * * @access public @@ -46,7 +56,59 @@ class CI_DB_pdo_result extends CI_DB_result { */ function num_rows() { - return $this->result_id->rowCount(); + if (empty($this->result_id) OR ! is_object($this->result_id)) + { + // invalid result handler + return 0; + } + elseif (($num_rows = $this->result_id->rowCount()) && $num_rows > 0) + { + // If rowCount return something, we're done. + return $num_rows; + } + + // Fetch the result, instead perform another extra query + return ($this->is_fetched && is_array($this->result_assoc)) ? count($this->result_assoc) : count($this->result_assoc()); + } + + /** + * Fetch the result handler + * + * @access public + * @return mixed + */ + function result_assoc() + { + // If the result already fetched before, use that one + if (count($this->result_array) > 0 OR $this->is_fetched) + { + return $this->result_array(); + } + + // Define the output + $output = array('assoc', 'object'); + + // Fetch the result + foreach ($output as $type) + { + // Define the method and handler + $res_method = '_fetch_'.$type; + $res_handler = 'result_'.$type; + + $this->$res_handler = array(); + $this->_data_seek(0); + + while ($row = $this->$res_method()) + { + $this->{$res_handler}[] = $row; + } + } + + // Save this as buffer and marked the fetch flag + $this->result_array = $this->result_assoc; + $this->is_fetched = TRUE; + + return $this->result_assoc; } // -------------------------------------------------------------------- @@ -78,6 +140,7 @@ class CI_DB_pdo_result extends CI_DB_result { { return $this->db->display_error('db_unsuported_feature'); } + return FALSE; } @@ -110,6 +173,7 @@ class CI_DB_pdo_result extends CI_DB_result { { return $this->db->display_error('db_unsuported_feature'); } + return FALSE; } } @@ -178,6 +242,5 @@ class CI_DB_pdo_result extends CI_DB_result { } - /* End of file pdo_result.php */ /* Location: ./system/database/drivers/pdo/pdo_result.php */
\ No newline at end of file diff --git a/system/database/drivers/pdo/pdo_utility.php b/system/database/drivers/pdo/pdo_utility.php index 90b46af3e..971ec8803 100644 --- a/system/database/drivers/pdo/pdo_utility.php +++ b/system/database/drivers/pdo/pdo_utility.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 2.1.0 diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 50f096b5d..df0f50da5 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -149,28 +149,41 @@ class CI_DB_postgre_driver extends CI_DB { /** * Set client character set * - * @access public - * @param string - * @param string - * @return resource + * @param string + * @return bool */ - function db_set_charset($charset, $collation) + protected function _db_set_charset($charset) { - // @todo - add support if needed - return TRUE; + return (pg_set_client_encoding($this->conn_id, $charset) === 0); } // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @access public * @return string */ - function _version() + public function version() { - return "SELECT version() AS ver"; + if (isset($this->data_cache['version'])) + { + return $this->data_cache['version']; + } + + if (($pg_version = pg_version($this->conn_id)) === FALSE) + { + return FALSE; + } + + /* If PHP was compiled with PostgreSQL lib versions earlier + * than 7.4, pg_version() won't return the server version + * and so we'll have to fall back to running a query in + * order to get it. + */ + return isset($pg_version['server']) + ? $this->data_cache['version'] = $pg_version['server'] + : parent::version(); } // -------------------------------------------------------------------- @@ -209,18 +222,12 @@ class CI_DB_postgre_driver extends CI_DB { /** * Begin Transaction * - * @access public * @return bool */ - function trans_begin($test_mode = FALSE) + public function trans_begin($test_mode = FALSE) { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } @@ -228,9 +235,9 @@ class CI_DB_postgre_driver extends CI_DB { // Reset the transaction failure flag. // If the $test_mode flag is set to TRUE transactions will be rolled back // even if the queries produce a successful result. - $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; + $this->_trans_failure = ($test_mode === TRUE); - return @pg_exec($this->conn_id, "begin"); + return @pg_query($this->conn_id, 'BEGIN'); } // -------------------------------------------------------------------- @@ -238,23 +245,17 @@ class CI_DB_postgre_driver extends CI_DB { /** * Commit Transaction * - * @access public * @return bool */ - function trans_commit() + public function trans_commit() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } - return @pg_exec($this->conn_id, "commit"); + return @pg_query($this->conn_id, 'COMMIT'); } // -------------------------------------------------------------------- @@ -262,23 +263,17 @@ class CI_DB_postgre_driver extends CI_DB { /** * Rollback Transaction * - * @access public * @return bool */ - function trans_rollback() + public function trans_rollback() { - if ( ! $this->trans_enabled) - { - return TRUE; - } - // When transactions are nested we only begin/commit/rollback the outermost ones - if ($this->_trans_depth > 0) + if ( ! $this->trans_enabled OR $this->_trans_depth > 0) { return TRUE; } - return @pg_exec($this->conn_id, "rollback"); + return @pg_query($this->conn_id, 'ROLLBACK'); } // -------------------------------------------------------------------- @@ -339,8 +334,7 @@ class CI_DB_postgre_driver extends CI_DB { */ function insert_id() { - $v = $this->_version(); - $v = $v['server']; + $v = $this->version(); $table = func_num_args() > 0 ? func_get_arg(0) : NULL; $column = func_num_args() > 1 ? func_get_arg(1) : NULL; @@ -459,27 +453,16 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string - */ - function _error_message() - { - return pg_last_error($this->conn_id); - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @access private - * @return integer + * @return array */ - function _error_number() + public function error() { - return ''; + return array('code' => '', 'message' => pg_last_error($this->conn_id)); } // -------------------------------------------------------------------- @@ -712,4 +695,4 @@ class CI_DB_postgre_driver extends CI_DB { /* End of file postgre_driver.php */ -/* Location: ./system/database/drivers/postgre/postgre_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/postgre/postgre_driver.php */ diff --git a/system/database/drivers/postgre/postgre_forge.php b/system/database/drivers/postgre/postgre_forge.php index f86ba2dda..756fd347a 100644 --- a/system/database/drivers/postgre/postgre_forge.php +++ b/system/database/drivers/postgre/postgre_forge.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -63,32 +63,16 @@ class CI_DB_postgre_forge extends CI_DB_forge { } // -------------------------------------------------------------------- - + /** - * Create Table + * Process Fields * - * @access private - * @param string the table name - * @param array the fields - * @param mixed primary key(s) - * @param mixed key(s) - * @param boolean should 'IF NOT EXISTS' be added to the SQL - * @return bool + * @param mixed the fields + * @return string */ - function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + function _process_fields($fields, $primary_keys=array()) { - $sql = 'CREATE TABLE '; - - if ($if_not_exists === TRUE) - { - // PostgreSQL doesn't support IF NOT EXISTS syntax so we check if table exists manually - if ($this->db->table_exists($table)) - { - return TRUE; - } - } - - $sql .= $this->db->_escape_identifiers($table)." ("; + $sql = ''; $current_field_count = 0; foreach ($fields as $field=>$attributes) @@ -184,6 +168,38 @@ class CI_DB_postgre_forge extends CI_DB_forge { $sql .= ','; } } + + return $sql; + } + + // -------------------------------------------------------------------- + + /** + * Create Table + * + * @access private + * @param string the table name + * @param array the fields + * @param mixed primary key(s) + * @param mixed key(s) + * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @return bool + */ + function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + { + $sql = 'CREATE TABLE '; + + if ($if_not_exists === TRUE) + { + // PostgreSQL doesn't support IF NOT EXISTS syntax so we check if table exists manually + if ($this->db->table_exists($table)) + { + return TRUE; + } + } + + $sql .= $this->db->_escape_identifiers($table)." ("; + $sql .= $this->_process_fields($fields, $primary_keys); if (count($primary_keys) > 0) { @@ -249,40 +265,25 @@ class CI_DB_postgre_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return object */ - function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') - { - $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ".$this->db->_protect_identifiers($column_name); + function _alter_table($alter_type, $table, $fields, $after_field = '') + { + $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type "; - // DROP has everything it needs now. - if ($alter_type == 'DROP') - { - return $sql; - } + // DROP has everything it needs now. + if ($alter_type == 'DROP') + { + return $sql.$this->db->_protect_identifiers($fields); + } - $sql .= " $column_definition"; + $sql .= $this->_process_fields($fields); - if ($default_value != '') - { - $sql .= " DEFAULT \"$default_value\""; - } + if ($after_field != '') + { + $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); + } - if ($null === NULL) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } - - if ($after_field != '') - { - $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); - } - - return $sql; - - } + return $sql; + } // -------------------------------------------------------------------- @@ -301,8 +302,6 @@ class CI_DB_postgre_forge extends CI_DB_forge { $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); return $sql; } - - } /* End of file postgre_forge.php */ diff --git a/system/database/drivers/postgre/postgre_result.php b/system/database/drivers/postgre/postgre_result.php index 808e8bf72..9161bf955 100644 --- a/system/database/drivers/postgre/postgre_result.php +++ b/system/database/drivers/postgre/postgre_result.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php index f81f85782..c426b363b 100644 --- a/system/database/drivers/postgre/postgre_utility.php +++ b/system/database/drivers/postgre/postgre_utility.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * Postgre Utility Class * @@ -39,12 +37,11 @@ class CI_DB_postgre_utility extends CI_DB_utility { /** * List databases * - * @access private - * @return bool + * @return string */ - function _list_databases() + public function _list_databases() { - return "SELECT datname FROM pg_database"; + return 'SELECT datname FROM pg_database'; } // -------------------------------------------------------------------- @@ -52,15 +49,12 @@ class CI_DB_postgre_utility extends CI_DB_utility { /** * Optimize table query * - * Is table optimization supported in Postgre? - * - * @access private * @param string the table name - * @return object + * @return string */ - function _optimize_table($table) + public function _optimize_table($table) { - return FALSE; + return 'REINDEX TABLE '.$this->db->protect_identifiers($table); } // -------------------------------------------------------------------- @@ -68,13 +62,10 @@ class CI_DB_postgre_utility extends CI_DB_utility { /** * Repair table query * - * Are table repairs supported in Postgre? - * - * @access private * @param string the table name - * @return object + * @return bool */ - function _repair_table($table) + public function _repair_table($table) { return FALSE; } @@ -84,7 +75,6 @@ class CI_DB_postgre_utility extends CI_DB_utility { /** * Postgre Export * - * @access private * @param array Preferences * @return mixed */ @@ -95,6 +85,5 @@ class CI_DB_postgre_utility extends CI_DB_utility { } } - /* End of file postgre_utility.php */ -/* Location: ./system/database/drivers/postgre/postgre_utility.php */
\ No newline at end of file +/* Location: ./system/database/drivers/postgre/postgre_utility.php */ diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index a6257cb1f..3eaec949c 100644 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -141,30 +141,15 @@ class CI_DB_sqlite_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Set client character set + * Database version number * - * @access public - * @param string - * @param string - * @return resource - */ - function db_set_charset($charset, $collation) - { - // @todo - add support if needed - return TRUE; - } - - // -------------------------------------------------------------------- - - /** - * Version number query string - * - * @access public * @return string */ - function _version() + public function version() { - return sqlite_libversion(); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = sqlite_libversion(); } // -------------------------------------------------------------------- @@ -428,27 +413,18 @@ class CI_DB_sqlite_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string - */ - function _error_message() - { - return sqlite_error_string(sqlite_last_error($this->conn_id)); - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @access private - * @return integer + * @return array */ - function _error_number() + public function error() { - return sqlite_last_error($this->conn_id); + $error = array('code' => sqlite_last_error($this->conn_id)); + $error['message'] = sqlite_error_string($error['code']); + return $error; } // -------------------------------------------------------------------- @@ -667,4 +643,4 @@ class CI_DB_sqlite_driver extends CI_DB { /* End of file sqlite_driver.php */ -/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/sqlite/sqlite_driver.php */ diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php index 96a5e0edb..fd0f3eb98 100644 --- a/system/database/drivers/sqlite/sqlite_forge.php +++ b/system/database/drivers/sqlite/sqlite_forge.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -89,7 +89,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge { $sql = 'CREATE TABLE '; // IF NOT EXISTS added to SQLite in 3.3.0 - if ($if_not_exists === TRUE && version_compare($this->db->_version(), '3.3.0', '>=') === TRUE) + if ($if_not_exists === TRUE && version_compare($this->db->version(), '3.3.0', '>=') === TRUE) { $sql .= 'IF NOT EXISTS '; } @@ -274,4 +274,4 @@ class CI_DB_sqlite_forge extends CI_DB_forge { } /* End of file sqlite_forge.php */ -/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */
\ No newline at end of file +/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */ diff --git a/system/database/drivers/sqlite/sqlite_result.php b/system/database/drivers/sqlite/sqlite_result.php index 2bbd1dbc0..74c0dc549 100644 --- a/system/database/drivers/sqlite/sqlite_result.php +++ b/system/database/drivers/sqlite/sqlite_result.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php index c9914f28d..8fefcd9e2 100644 --- a/system/database/drivers/sqlite/sqlite_utility.php +++ b/system/database/drivers/sqlite/sqlite_utility.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -18,15 +18,13 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 * @filesource */ -// ------------------------------------------------------------------------ - /** * SQLite Utility Class * @@ -40,20 +38,15 @@ class CI_DB_sqlite_utility extends CI_DB_utility { * List databases * * I don't believe you can do a database listing with SQLite - * since each database is its own file. I suppose we could + * since each database is its own file. I suppose we could * try reading a directory looking for SQLite files, but * that doesn't seem like a terribly good idea * - * @access private * @return bool */ - function _list_databases() + public function _list_databases() { - if ($this->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return array(); + return ($this->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE; } // -------------------------------------------------------------------- @@ -61,14 +54,12 @@ class CI_DB_sqlite_utility extends CI_DB_utility { /** * Optimize table query * - * Is optimization even supported in SQLite? - * - * @access private * @param string the table name - * @return object + * @return bool */ - function _optimize_table($table) + public function _optimize_table($table) { + // Not supported return FALSE; } @@ -77,14 +68,12 @@ class CI_DB_sqlite_utility extends CI_DB_utility { /** * Repair table query * - * Are table repairs even supported in SQLite? - * - * @access private * @param string the table name - * @return object + * @return bool */ - function _repair_table($table) + public function _repair_table($table) { + // Not supported return FALSE; } @@ -93,16 +82,16 @@ class CI_DB_sqlite_utility extends CI_DB_utility { /** * SQLite Export * - * @access private * @param array Preferences * @return mixed */ - function _backup($params = array()) + public function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); } + } /* End of file sqlite_utility.php */ -/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */
\ No newline at end of file +/* Location: ./system/database/drivers/sqlite/sqlite_utility.php */ diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index 340cd3a66..5c90cb4f2 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 @@ -122,28 +122,23 @@ class CI_DB_sqlsrv_driver extends CI_DB { /** * Select the database * - * @access private called by the base class - * @return resource + * @param string database name + * @return bool */ - function db_select() + public function db_select($database = '') { - return $this->_execute('USE ' . $this->database); - } + if ($database === '') + { + $database = $this->database; + } - // -------------------------------------------------------------------- + if ($this->_execute('USE '.$database)) + { + $this->database = $database; + return TRUE; + } - /** - * Set client character set - * - * @access public - * @param string - * @param string - * @return resource - */ - function db_set_charset($charset, $collation) - { - // @todo - add support if needed - return TRUE; + return FALSE; } // -------------------------------------------------------------------- @@ -322,15 +317,23 @@ class CI_DB_sqlsrv_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string - * - * @access public - * @return string - */ - function _version() + * Database version number + * + * @return string + */ + public function version() { - $info = sqlsrv_server_info($this->conn_id); - return sprintf("select '%s' as ver", $info['SQLServerVersion']); + if (isset($this->data_cache['version'])) + { + return $this->data_cache['version']; + } + + if (($info = sqlsrv_server_info($this->conn_id)) === FALSE) + { + return FALSE; + } + + return $this->data_cache['version'] = $info['SQLServerVersion']; } // -------------------------------------------------------------------- @@ -411,29 +414,39 @@ class CI_DB_sqlsrv_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string + * Returns an array containing code and message of the last + * database error that has occured. + * + * @return array */ - function _error_message() + public function error() { - $error = array_shift(sqlsrv_errors()); - return !empty($error['message']) ? $error['message'] : null; - } + $error = array('code' => '00000', 'message' => ''); + $sqlsrv_errors = sqlsrv_errors(SQLSRV_ERR_ERRORS); - // -------------------------------------------------------------------- + if ( ! is_array($sqlsrv_errors)) + { + return $error; + } - /** - * The error message number - * - * @access private - * @return integer - */ - function _error_number() - { - $error = array_shift(sqlsrv_errors()); - return isset($error['SQLSTATE']) ? $error['SQLSTATE'] : null; + $sqlsrv_error = array_shift($sqlsrv_errors); + if (isset($sqlsrv_error['SQLSTATE'])) + { + $error['code'] = isset($sqlsrv_error['code']) ? $sqlsrv_error['SQLSTATE'].'/'.$sqlsrv_error['code'] : $sqlsrv_error['SQLSTATE']; + } + elseif (isset($sqlsrv_error['code'])) + { + $error['code'] = $sqlsrv_error['code']; + } + + if (isset($sqlsrv_error['message'])) + { + $error['message'] = $sqlsrv_error['message']; + } + + return $error; } // -------------------------------------------------------------------- @@ -608,4 +621,4 @@ class CI_DB_sqlsrv_driver extends CI_DB { /* End of file mssql_driver.php */ -/* Location: ./system/database/drivers/mssql/mssql_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mssql/mssql_driver.php */ diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index 4fa0596cd..2a7766927 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/sqlsrv/sqlsrv_result.php b/system/database/drivers/sqlsrv/sqlsrv_result.php index 38aaec723..1ee19c2d1 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_result.php +++ b/system/database/drivers/sqlsrv/sqlsrv_result.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 diff --git a/system/database/drivers/sqlsrv/sqlsrv_utility.php b/system/database/drivers/sqlsrv/sqlsrv_utility.php index f58b5bd04..e96df96f9 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_utility.php +++ b/system/database/drivers/sqlsrv/sqlsrv_utility.php @@ -18,7 +18,7 @@ * * @package CodeIgniter * @author EllisLab Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. (http://ellislab.com/) + * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) * @link http://codeigniter.com * @since Version 1.0 |