diff options
25 files changed, 1584 insertions, 373 deletions
diff --git a/system/database/DB_driver.php b/system/database/DB_driver.php index 5f435e363..15195b20a 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -222,36 +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. - $driver_version_exceptions = array('oci8', 'sqlite', 'cubrid', 'pdo', 'mysqli'); - - if (in_array($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'; } // -------------------------------------------------------------------- @@ -330,30 +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'], + $sql + ) + ); } return FALSE; @@ -649,7 +651,7 @@ class CI_DB_driver { */ public function is_write_type($sql) { - return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|OPTIMIZE)\s+/i', $sql); + 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); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php index 42f08fbf6..afdaef351 100644 --- a/system/database/drivers/cubrid/cubrid_driver.php +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -156,19 +156,15 @@ class CI_DB_cubrid_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @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); } // -------------------------------------------------------------------- @@ -453,31 +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 * 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 2a4f2b575..147c63483 100644 --- a/system/database/drivers/mssql/mssql_driver.php +++ b/system/database/drivers/mssql/mssql_driver.php @@ -339,12 +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'; } // -------------------------------------------------------------------- @@ -438,28 +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' => $query->code, 'message' => mssql_get_last_message()); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index c88a8a766..84f7791c7 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -147,7 +147,7 @@ class CI_DB_mysql_driver extends CI_DB { * @param string * @return bool */ - public function db_set_charset($charset, $collation) + protected function _db_set_charset($charset, $collation) { return function_exists('mysql_set_charset') ? @mysql_set_charset($charset, $this->conn_id) @@ -157,13 +157,15 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * * @return string */ - protected function _version() + public function version() { - return 'SELECT version() AS ver'; + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = @mysql_get_server_info($this->conn_id); } // -------------------------------------------------------------------- @@ -417,25 +419,16 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @return string - */ - protected function _error_message() - { - return mysql_error($this->conn_id); - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @return int + * @return array */ - protected function _error_number() + public function error() { - return mysql_errno($this->conn_id); + return array('code' => mysql_errno($this->conn_id), 'message' => mysql_error($this->conn_id)); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index dbba12e15..19353944d 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -157,13 +157,15 @@ class CI_DB_mysqli_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * * @return string */ - protected function _version() + public function version() { - return @mysqli_get_server_info($this->conn_id); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = @mysqli_get_server_info($this->conn_id); } // -------------------------------------------------------------------- @@ -418,25 +420,16 @@ class CI_DB_mysqli_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @return string - */ - protected function _error_message() - { - return mysqli_error($this->conn_id); - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Returns an array containing code and message of the last + * database error that has occured. * - * @return int + * @return array */ - protected function _error_number() + public function error() { - return mysqli_errno($this->conn_id); + return array('code' => mysqli_errno($this->conn_id), 'message' => mysqli_error($this->conn_id)); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php index 6da6dc724..35cafff6c 100644 --- a/system/database/drivers/oci8/oci8_driver.php +++ b/system/database/drivers/oci8/oci8_driver.php @@ -139,14 +139,15 @@ class CI_DB_oci8_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @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); } // -------------------------------------------------------------------- @@ -527,39 +528,18 @@ class CI_DB_oci8_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string - * - * @return string - */ - protected function _error_message() - { - $error = $this->_oci8_error_data(); - return $error['message']; - } - - // -------------------------------------------------------------------- - - /** - * The error message number + * Error * - * @return string - */ - protected function _error_number() - { - $error = $this->_oci8_error_data(); - return $error['code']; - } - - // -------------------------------------------------------------------- - - /** - * OCI8-specific method to get errors. - * Used by _error_message() and _error_code(). + * Returns an array containing code and message of the last + * database error that has occured. * * @return array */ - protected function _oci8_error_data() + public function error() { + /* oci_error() returns an array that already contains the + * 'code' and 'message' keys, so we can just return it. + */ if (is_resource($this->curs_id)) { return oci_error($this->curs_id); diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index abb660324..779b0c62f 100644 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -124,19 +124,6 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string - * - * @access public - * @return string - */ - function _version() - { - return "SELECT version() AS ver"; - } - - // -------------------------------------------------------------------- - - /** * Execute the query * * @access private called by the base class @@ -398,27 +385,16 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string - */ - function _error_message() - { - return odbc_errormsg($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)); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 90f0fd791..8fdfd58fb 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -289,13 +289,15 @@ class CI_DB_pdo_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * * @return string */ - protected function _version() + public function version() { - return $this->conn_id->getAttribute(PDO::ATTR_SERVER_VERSION); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = $this->conn_id->getAttribute(PDO::ATTR_SERVER_VERSION); } // -------------------------------------------------------------------- @@ -499,7 +501,7 @@ class CI_DB_pdo_driver extends CI_DB { */ public function insert_id($name = NULL) { - if ($this->pdodriver === 'pgsql' && $name === NULL && $this->_version() >= '8.1') + if ($this->pdodriver === 'pgsql' && $name === NULL && $this->version() >= '8.1') { $query = $this->query('SELECT LASTVAL() AS ins_id'); $query = $query->row(); @@ -609,29 +611,30 @@ class CI_DB_pdo_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 = $this->conn_id->errorInfo(); + $error = array('code' => '00000', 'message' => ''); + $pdo_error = $this->conn_id->errorInfo(); - return $error_array[2]; - } + if (empty($pdo_error[0])) + { + return $error; + } - // -------------------------------------------------------------------- + $error['code'] = isset($pdo_error[1]) ? $pdo_error[0].'/'.$pdo_error[1] : $pdo_error[0]; + if (isset($pdo_error[2])) + { + $error['message'] = $pdo_error[2]; + } - /** - * The error message number - * - * @access private - * @return integer - */ - function _error_number() - { - return $this->conn_id->errorCode(); + return $error; } // -------------------------------------------------------------------- diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 89541e5fa..df0f50da5 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -147,14 +147,43 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Set client character set + * + * @param string + * @return bool + */ + protected function _db_set_charset($charset) + { + return (pg_set_client_encoding($this->conn_id, $charset) === 0); + } + + // -------------------------------------------------------------------- + + /** + * Database version number * - * @access public * @return string */ - function _version() + public function version() { - return "SELECT version() AS ver"; + if (isset($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'] = $pg_version['server'] + : parent::version(); } // -------------------------------------------------------------------- @@ -193,18 +222,12 @@ class CI_DB_postgre_driver extends CI_DB { /** * Begin Transaction * - * @access public * @return bool */ - function trans_begin($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; } @@ -212,9 +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'); } // -------------------------------------------------------------------- @@ -222,23 +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'); } // -------------------------------------------------------------------- @@ -246,23 +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'); } // -------------------------------------------------------------------- @@ -323,8 +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; $column = func_num_args() > 1 ? func_get_arg(1) : NULL; @@ -443,27 +453,16 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string - */ - function _error_message() - { - return pg_last_error($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($this->conn_id)); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php index dffd8c549..c426b363b 100644 --- a/system/database/drivers/postgre/postgre_utility.php +++ b/system/database/drivers/postgre/postgre_utility.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * Postgre Utility Class * @@ -39,12 +37,11 @@ class CI_DB_postgre_utility extends CI_DB_utility { /** * List databases * - * @access private - * @return bool + * @return string */ - function _list_databases() + public function _list_databases() { - return "SELECT datname FROM pg_database"; + return 'SELECT datname FROM pg_database'; } // -------------------------------------------------------------------- @@ -52,15 +49,12 @@ class CI_DB_postgre_utility extends CI_DB_utility { /** * Optimize table query * - * Is table optimization supported in Postgre? - * - * @access private * @param string the table name - * @return object + * @return string */ - function _optimize_table($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($table) { return FALSE; } @@ -84,7 +75,6 @@ class CI_DB_postgre_utility extends CI_DB_utility { /** * Postgre Export * - * @access private * @param array Preferences * @return mixed */ @@ -95,6 +85,5 @@ class CI_DB_postgre_utility extends CI_DB_utility { } } - /* End of file postgre_utility.php */ -/* Location: ./system/database/drivers/postgre/postgre_utility.php */
\ No newline at end of file +/* Location: ./system/database/drivers/postgre/postgre_utility.php */ diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index 718501b20..3eaec949c 100644 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -141,14 +141,15 @@ class CI_DB_sqlite_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Version number query string + * Database version number * - * @access public * @return string */ - function _version() + public function version() { - return sqlite_libversion(); + return isset($this->data_cache['version']) + ? $this->data_cache['version'] + : $this->data_cache['version'] = sqlite_libversion(); } // -------------------------------------------------------------------- @@ -412,27 +413,18 @@ class CI_DB_sqlite_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @access private - * @return string - */ - function _error_message() - { - return sqlite_error_string(sqlite_last_error($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; } // -------------------------------------------------------------------- diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php index 2b723be0b..fd0f3eb98 100644 --- a/system/database/drivers/sqlite/sqlite_forge.php +++ b/system/database/drivers/sqlite/sqlite_forge.php @@ -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) { $sql .= 'IF NOT EXISTS '; } @@ -274,4 +274,4 @@ class CI_DB_sqlite_forge extends CI_DB_forge { } /* End of file sqlite_forge.php */ -/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */
\ No newline at end of file +/* Location: ./system/database/drivers/sqlite/sqlite_forge.php */ diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php index f00687e38..8fefcd9e2 100644 --- a/system/database/drivers/sqlite/sqlite_utility.php +++ b/system/database/drivers/sqlite/sqlite_utility.php @@ -1,13 +1,13 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * * NOTICE OF LICENSE - * + * * Licensed under the Open Software License version 3.0 - * + * * This source file is subject to the Open Software License (OSL 3.0) that is * bundled with this package in the files license.txt / license.rst. It is * also available through the world wide web at this URL: @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * SQLite Utility Class * @@ -40,20 +38,15 @@ class CI_DB_sqlite_utility extends CI_DB_utility { * List databases * * I don't believe you can do a database listing with SQLite - * since each database is its own file. I suppose we could + * since each database is its own file. I suppose we could * try reading a directory looking for SQLite files, but * that doesn't seem like a terribly good idea * - * @access private * @return bool */ - function _list_databases() + public function _list_databases() { - if ($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 9b9038189..5c90cb4f2 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -317,15 +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']; } // -------------------------------------------------------------------- @@ -406,46 +414,39 @@ class CI_DB_sqlsrv_driver extends CI_DB { // -------------------------------------------------------------------- /** - * The error message string + * Error * - * @return string + * Returns an array containing code and message of the last + * database error that has occured. + * + * @return array */ - protected function _error_message() + public function error() { - $error = sqlsrv_errors(); - if ( ! is_array($error)) + $error = array('code' => '00000', 'message' => ''); + $sqlsrv_errors = sqlsrv_errors(SQLSRV_ERR_ERRORS); + + if ( ! is_array($sqlsrv_errors)) { - return ''; + return $error; } - $error = array_shift($error); - return isset($error['message']) ? $error['message'] : ''; - } - - // -------------------------------------------------------------------- - - /** - * The error message number - * - * @return string - */ - protected function _error_number() - { - $error = sqlsrv_errors(); - if ( ! is_array($error)) + $sqlsrv_error = array_shift($sqlsrv_errors); + if (isset($sqlsrv_error['SQLSTATE'])) { - return ''; + $error['code'] = isset($sqlsrv_error['code']) ? $sqlsrv_error['SQLSTATE'].'/'.$sqlsrv_error['code'] : $sqlsrv_error['SQLSTATE']; } - elseif (isset($error['SQLSTATE'])) + elseif (isset($sqlsrv_error['code'])) { - return isset($error['code']) ? $error['SQLSTATE'].'/'.$error['code'] : $error['SQLSTATE']; + $error['code'] = $sqlsrv_error['code']; } - elseif (isset($error['code'])) + + if (isset($sqlsrv_error['message'])) { - return $error['code']; + $error['message'] = $sqlsrv_error['message']; } - return ''; + return $error; } // -------------------------------------------------------------------- diff --git a/system/libraries/Email.php b/system/libraries/Email.php index c8a5b41af..8d839d0c9 100644 --- a/system/libraries/Email.php +++ b/system/libraries/Email.php @@ -1359,6 +1359,7 @@ class CI_Email { if ( ! $this->$method()) { $this->_set_error_message('lang:email_send_failure_' . ($this->_get_protocol() === 'mail' ? 'phpmail' : $this->_get_protocol())); + return FALSE; } $this->_set_error_message('lang:email_sent', $this->_get_protocol()); @@ -1433,8 +1434,10 @@ class CI_Email { return FALSE; } - $this->_smtp_connect(); - $this->_smtp_authenticate(); + if ( ! $this->_smtp_connect() OR ! $this->_smtp_authenticate()) + { + return FALSE; + } $this->_send_command('from', $this->clean_email($this->_headers['From'])); diff --git a/system/libraries/Session.php b/system/libraries/Session.php index 66b39a6a2..dd50a91e1 100644 --- a/system/libraries/Session.php +++ b/system/libraries/Session.php @@ -219,7 +219,7 @@ class CI_Session { $this->CI->db->where('user_agent', $session['user_agent']); } - $query = $this->CI->db->get($this->sess_table_name); + $query = $this->CI->db->limit(1)->get($this->sess_table_name); // No result? Kill it! if ($query->num_rows() === 0) diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index 236e07f94..cb8a6ddbd 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -54,7 +54,14 @@ Release Date: Not Released - MySQLi driver now supports persistent connections when running on PHP >= 5.3. - Added dsn if the group connections in the config use PDO or any driver which need DSN. - Improved PDO database support. - - An optional database name parameter was added db_select(). + - Added Interbase/Firebird database support via the "interbase" driver + - Added an optional database name parameter to db_select(). + - Replaced the _error_message() and _error_number() methods with error(), that returns an array containing the last database error code and message. + - Improved version() implementation so that drivers that have a native function to get the version number don't have to be defined in the core DB_driver class. + - Improved support of the PostgreSQL driver, including: + - pg_version() is now used to get the database version number, when possible. + - Added db_set_charset() support. + - Added _optimize_table() support for the :doc:`Database Utility Class <database/utilities>` (rebuilds table indexes). - Libraries @@ -76,6 +83,7 @@ Release Date: Not Released - Removed SHA1 function in the :doc:`Encryption Library <libraries/encryption>`. - Added $config['csrf_regeneration'] to the CSRF protection in the :doc:`Security library <libraries/security>`, which makes token regeneration optional. - Added function error_array() to return all error messages as an array in the Form_validation class. + - Changed the Session library to select only one row when using database sessions. - Core @@ -116,16 +124,17 @@ Bug fixes for 3.0 - Fixed a bug (#81) - ODBC's list_fields() and field_data() methods skipped the first column due to odbc_field_*() functions' index starting at 1 instead of 0. - Fixed a bug (#129) - ODBC's num_rows() returned -1 in some cases, due to not all subdrivers supporting the odbc_num_rows() function. - Fixed a bug (#153) - E_NOTICE being generated by getimagesize() in the :doc:`File Uploading Library <libraries/file_uploading>`. -- Fixed a bug (#611) - SQLSRV's _error_message() and _error_number() methods used to issue warnings when there's no actual error. +- Fixed a bug (#611) - SQLSRV's error handling methods used to issue warnings when there's no actual error. - Fixed a bug (#1036) - is_write_type() method in the :doc:`Database Library <database/index>` didn't return TRUE for RENAME and OPTIMIZE queries. - Fixed a bug in PDO's _version() method where it used to return the client version as opposed to the server one. - Fixed a bug in PDO's insert_id() method where it could've failed if it's used with Postgre versions prior to 8.1. - Fixed a bug in CUBRID's affected_rows() method where a connection resource was passed to cubrid_affected_rows() instead of a result. - Fixed a bug (#638) - db_set_charset() ignored its arguments and always used the configured charset and collation instead. -- Fixed a bug (#413) - Oracle's _error_message() and _error_number() methods used to only return connection-related errors. +- Fixed a bug (#413) - Oracle's error handling methods used to only return connection-related errors. - Fixed a bug (#804) - Profiler library was trying to handle objects as strings in some cases, resulting in warnings being issued by htmlspecialchars(). - Fixed a bug (#1101) - MySQL/MySQLi result method field_data() was implemented as if it was handling a DESCRIBE result instead of the actual result set. - Fixed a bug in Oracle's :doc:`Database Forge Class <database/forge>` method _create_table() where it failed with AUTO_INCREMENT as it's not supported. +- Fixed a bug (#1080) - When using the SMTP protocol, the :doc:`Email Library <libraries/email>` send() method was returning TRUE even if the connection/authentication against the server failed. - Fixed a bug (#128) - :doc:`Language Library <libraries/language>` did not correctly keep track of loaded language files. Version 2.1.1 diff --git a/user_guide_src/source/database/helpers.rst b/user_guide_src/source/database/helpers.rst index 7ea19e9f6..e8a5ac801 100644 --- a/user_guide_src/source/database/helpers.rst +++ b/user_guide_src/source/database/helpers.rst @@ -7,9 +7,9 @@ $this->db->insert_id() The insert ID number when performing database inserts. -.. note:: If using the PDO driver with PostgreSQL, this function requires - a $name parameter, which specifies the appropriate sequence to check - for the insert id. +.. note:: If using the PDO driver with PostgreSQL, or using the Interbase + driver, this function requires a $name parameter, which specifies the + appropriate sequence to check for the insert id. $this->db->affected_rows() =========================== diff --git a/user_guide_src/source/database/queries.rst b/user_guide_src/source/database/queries.rst index 971d5d61d..15a73614a 100644 --- a/user_guide_src/source/database/queries.rst +++ b/user_guide_src/source/database/queries.rst @@ -112,3 +112,20 @@ The secondary benefit of using binds is that the values are automatically escaped, producing safer queries. You don't have to remember to manually escape data; the engine does it automatically for you. + +*************** +Handling Errors +*************** + +$this->db->error(); +=================== + +If you need to get the last error that has occured, the error() method +will return an array containing its code and message. Here's a quick +example:: + + if ( ! $this->db->simple_query('SELECT `example_field` FROM `example_table`')) + { + $error = $this->db->error(); // Has keys 'code' and 'message' + } + diff --git a/user_guide_src/source/database/utilities.rst b/user_guide_src/source/database/utilities.rst index b0920109f..3805ffb87 100644 --- a/user_guide_src/source/database/utilities.rst +++ b/user_guide_src/source/database/utilities.rst @@ -161,7 +161,11 @@ $this->dbutil->backup() Permits you to backup your full database or individual tables. The backup data can be compressed in either Zip or Gzip format. -.. note:: This features is only available for MySQL databases. +.. note:: This features is only available for MySQL and Interbase/Firebird databases. + +.. note:: For Interbase/Firebird databases, the backup file name is the only parameter. + + Eg. $this->dbutil->backup('db_backup_filename'); .. note:: Due to the limited execution time and memory available to PHP, backing up very large databases may not be possible. If your database is |