diff options
Diffstat (limited to 'system/database')
54 files changed, 832 insertions, 2297 deletions
diff --git a/system/database/DB.php b/system/database/DB.php index 0d81e40d3..b28439b29 100755 --- a/system/database/DB.php +++ b/system/database/DB.php @@ -32,9 +32,9 @@ * @author EllisLab Dev Team * @link http://codeigniter.com/user_guide/database/ * @param string - * @param bool Determines if active record should be used or not + * @param bool Determines if query builder should be used or not */ -function &DB($params = '', $active_record_override = NULL) +function &DB($params = '', $query_builder_override = NULL) { // Load the DB config file if a DSN string wasn't passed if (is_string($params) && strpos($params, '://') === FALSE) @@ -111,22 +111,22 @@ function &DB($params = '', $active_record_override = NULL) show_error('You have not selected a database type to connect to.'); } - // Load the DB classes. Note: Since the active record class is optional + // Load the DB classes. Note: Since the query builder class is optional // we need to dynamically create a class that extends proper parent class - // based on whether we're using the active record class or not. - if ($active_record_override !== NULL) + // based on whether we're using the query builder class or not. + if ($query_builder_override !== NULL) { - $active_record = $active_record_override; + $query_builder = $query_builder_override; } require_once(BASEPATH.'database/DB_driver.php'); - if ( ! isset($active_record) OR $active_record == TRUE) + if ( ! isset($query_builder) OR $query_builder == TRUE) { - require_once(BASEPATH.'database/DB_active_rec.php'); + require_once(BASEPATH.'database/DB_query_builder.php'); if ( ! class_exists('CI_DB')) { - class CI_DB extends CI_DB_active_record { } + class CI_DB extends CI_DB_query_builder { } } } elseif ( ! class_exists('CI_DB')) @@ -159,4 +159,4 @@ function &DB($params = '', $active_record_override = NULL) } /* 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_driver.php b/system/database/DB_driver.php index 8b030af77..ef77b594e 100644 --- a/system/database/DB_driver.php +++ b/system/database/DB_driver.php @@ -335,7 +335,7 @@ abstract class CI_DB_driver { } // Start the Query Timer - $time_start = list($sm, $ss) = explode(' ', microtime()); + $time_start = microtime(TRUE); // Run the Query if (FALSE === ($this->result_id = $this->simple_query($sql))) @@ -370,12 +370,12 @@ abstract class CI_DB_driver { } // Stop and aggregate the query time results - $time_end = list($em, $es) = explode(' ', microtime()); - $this->benchmark += ($em + $es) - ($sm + $ss); + $time_end = microtime(TRUE); + $this->benchmark += $time_end - $time_start; if ($this->save_queries == TRUE) { - $this->query_times[] = ($em + $es) - ($sm + $ss); + $this->query_times[] = $time_end - $time_start; } // Increment the query counter @@ -637,7 +637,7 @@ abstract class CI_DB_driver { */ public function is_write_type($sql) { - return (bool) preg_match('/^\s*"?(SET|INSERT|UPDATE|DELETE|REPLACE|CREATE|DROP|TRUNCATE|LOAD DATA|COPY|ALTER|RENAME|GRANT|REVOKE|LOCK|UNLOCK|OPTIMIZE|REINDEX)\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|REINDEX)\s+/i', $sql); } // -------------------------------------------------------------------- @@ -1208,7 +1208,7 @@ abstract class CI_DB_driver { /** * Protect Identifiers * - * This function is used extensively by the Active Record class, and by + * This function is used extensively by the Query Builder class, and by * a couple functions in this class. * It takes a column or table name (optionally with an alias) and inserts * the table prefix onto it. Some logic is necessary in order to deal with @@ -1283,7 +1283,7 @@ abstract class CI_DB_driver { // Does the first segment of the exploded item match // one of the aliases previously identified? If so, // we have nothing more to do other than escape the item - if (in_array($parts[0], $this->ar_aliased_tables)) + if (in_array($parts[0], $this->qb_aliased_tables)) { if ($protect_identifiers === TRUE) { @@ -1380,7 +1380,7 @@ abstract class CI_DB_driver { // -------------------------------------------------------------------- /** - * Dummy method that allows Active Record class to be disabled + * Dummy method that allows Query Builder class to be disabled * * This function is used extensively by every db driver. * @@ -1393,4 +1393,4 @@ abstract class CI_DB_driver { } /* End of file DB_driver.php */ -/* Location: ./system/database/DB_driver.php */
\ No newline at end of file +/* Location: ./system/database/DB_driver.php */ diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php index 34c502a99..a519575f0 100644 --- a/system/database/DB_forge.php +++ b/system/database/DB_forge.php @@ -25,10 +25,8 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** - * Database Utility Class + * Database Forge Class * * @category Database * @author EllisLab Dev Team @@ -41,6 +39,12 @@ abstract class CI_DB_forge { public $primary_keys = array(); public $db_char_set = ''; + // Platform specific SQL strings + protected $_create_database = 'CREATE DATABASE %s'; + protected $_drop_database = 'DROP DATABASE %s'; + protected $_drop_table = 'DROP TABLE IF EXISTS %s'; + protected $_rename_table = 'ALTER TABLE %s RENAME TO %s'; + public function __construct() { // Assign the main database object to $this->db @@ -59,8 +63,16 @@ abstract class CI_DB_forge { */ public function create_database($db_name) { - $sql = $this->_create_database($db_name); - return is_bool($sql) ? $sql : $this->db->query($sql); + if ($this->_create_database === FALSE) + { + return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE; + } + elseif ( ! $this->db->query(sprintf($this->_create_database, $db_name, $this->db->char_set, $this->db->dbcollat))) + { + return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE; + } + + return TRUE; } // -------------------------------------------------------------------- @@ -73,8 +85,21 @@ abstract class CI_DB_forge { */ public function drop_database($db_name) { - $sql = $this->_drop_database($db_name); - return is_bool($sql) ? $sql : $this->db->query($sql); + if ($db_name == '') + { + show_error('A table name is required for that operation.'); + return FALSE; + } + elseif ($this->_drop_database === FALSE) + { + return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE; + } + elseif ( ! $this->db->query(sprintf($this->_drop_database, $db_name))) + { + return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE; + } + + return TRUE; } // -------------------------------------------------------------------- @@ -197,8 +222,16 @@ abstract class CI_DB_forge { */ public function drop_table($table_name) { - $sql = $this->_drop_table($this->db->dbprefix.$table_name); - return is_bool($sql) ? $sql : $this->db->query($sql); + if ($table_name == '') + { + return ($this->db->db_debug) ? $this->db->display_error('db_table_name_required') : FALSE; + } + elseif ($this->_drop_table === FALSE) + { + return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE; + } + + return $this->db->query(sprintf($this->_drop_table, $this->db->escape_identifiers($this->db->dbprefix.$table_name))); } // -------------------------------------------------------------------- @@ -215,9 +248,17 @@ abstract class CI_DB_forge { if ($table_name == '' OR $new_table_name == '') { show_error('A table name is required for that operation.'); + return FALSE; + } + elseif ($this->_rename_table === FALSE) + { + return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE; } - return $this->db->query($this->_rename_table($this->db->dbprefix.$table_name, $this->db->dbprefix.$new_table_name)); + return $this->db->query(sprintf($this->_rename_table, + $this->db->escape_identifiers($this->db->dbprefix.$table_name), + $this->db->escape_identifiers($this->db->dbprefix.$new_table_name)) + ); } // -------------------------------------------------------------------- diff --git a/system/database/DB_active_rec.php b/system/database/DB_query_builder.php index a19f9bedd..393a1cd75 100644 --- a/system/database/DB_active_rec.php +++ b/system/database/DB_query_builder.php @@ -26,9 +26,9 @@ */ /** - * Active Record Class + * Query Builder Class * - * This is the platform-independent base Active Record implementation class. + * This is the platform-independent base Query Builder implementation class. * * @package CodeIgniter * @subpackage Drivers @@ -36,46 +36,47 @@ * @author EllisLab Dev Team * @link http://codeigniter.com/user_guide/database/ */ -abstract class CI_DB_active_record extends CI_DB_driver { + +abstract class CI_DB_query_builder extends CI_DB_driver { 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_groupby = array(); - protected $ar_having = array(); - protected $ar_keys = array(); - protected $ar_limit = FALSE; - protected $ar_offset = FALSE; - protected $ar_order = FALSE; - protected $ar_orderby = array(); - protected $ar_set = array(); - protected $ar_wherein = 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 $qb_select = array(); + protected $qb_distinct = FALSE; + protected $qb_from = array(); + protected $qb_join = array(); + protected $qb_where = array(); + protected $qb_like = array(); + protected $qb_groupby = array(); + protected $qb_having = array(); + protected $qb_keys = array(); + protected $qb_limit = FALSE; + protected $qb_offset = FALSE; + protected $qb_order = FALSE; + protected $qb_orderby = array(); + protected $qb_set = array(); + protected $qb_wherein = array(); + protected $qb_aliased_tables = array(); + protected $qb_store_array = array(); + protected $qb_where_group_started = FALSE; + protected $qb_where_group_count = 0; + + // Query Builder Caching variables + protected $qb_caching = FALSE; + protected $qb_cache_exists = array(); + protected $qb_cache_select = array(); + protected $qb_cache_from = array(); + protected $qb_cache_join = array(); + protected $qb_cache_where = array(); + protected $qb_cache_like = array(); + protected $qb_cache_groupby = array(); + protected $qb_cache_having = array(); + protected $qb_cache_orderby = array(); + protected $qb_cache_set = array(); + + protected $qb_no_escape = array(); + protected $qb_cache_no_escape = array(); /** * Select @@ -98,14 +99,14 @@ abstract class CI_DB_active_record extends CI_DB_driver { if ($val != '') { - $this->ar_select[] = $val; - $this->ar_no_escape[] = $escape; + $this->qb_select[] = $val; + $this->qb_no_escape[] = $escape; - if ($this->ar_caching === TRUE) + if ($this->qb_caching === TRUE) { - $this->ar_cache_select[] = $val; - $this->ar_cache_exists[] = 'select'; - $this->ar_cache_no_escape[] = $escape; + $this->qb_cache_select[] = $val; + $this->qb_cache_exists[] = 'select'; + $this->qb_cache_no_escape[] = $escape; } } } @@ -211,13 +212,14 @@ abstract 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; + + $this->qb_select[] = $sql; + $this->qb_no_escape[] = NULL; - if ($this->ar_caching === TRUE) + if ($this->qb_caching === TRUE) { - $this->ar_cache_select[] = $sql; - $this->ar_cache_exists[] = 'select'; + $this->qb_cache_select[] = $sql; + $this->qb_cache_exists[] = 'select'; } return $this; @@ -254,7 +256,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { */ public function distinct($val = TRUE) { - $this->ar_distinct = (is_bool($val)) ? $val : TRUE; + $this->qb_distinct = (is_bool($val)) ? $val : TRUE; return $this; } @@ -278,12 +280,13 @@ abstract class CI_DB_active_record extends CI_DB_driver { { $v = trim($v); $this->_track_aliases($v); - $v = $this->ar_from[] = $this->protect_identifiers($v, TRUE, NULL, FALSE); - if ($this->ar_caching === TRUE) + $v = $this->qb_from[] = $this->protect_identifiers($v, TRUE, NULL, FALSE); + + if ($this->qb_caching === TRUE) { - $this->ar_cache_from[] = $v; - $this->ar_cache_exists[] = 'from'; + $this->qb_cache_from[] = $v; + $this->qb_cache_exists[] = 'from'; } } } @@ -292,14 +295,15 @@ abstract class CI_DB_active_record extends CI_DB_driver { $val = trim($val); // Extract any aliases that might exist. We use this information - // in the _protect_identifiers to know whether to add a table prefix + // in the protect_identifiers to know whether to add a table prefix $this->_track_aliases($val); - $this->ar_from[] = $val = $this->protect_identifiers($val, TRUE, NULL, FALSE); - if ($this->ar_caching === TRUE) + $this->qb_from[] = $val = $this->protect_identifiers($val, TRUE, NULL, FALSE); + + if ($this->qb_caching === TRUE) { - $this->ar_cache_from[] = $val; - $this->ar_cache_exists[] = 'from'; + $this->qb_cache_from[] = $val; + $this->qb_cache_exists[] = 'from'; } } } @@ -336,7 +340,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { } // Extract any aliases that might exist. We use this information - // in the _protect_identifiers to know whether to add a table prefix + // in the protect_identifiers to know whether to add a table prefix $this->_track_aliases($table); // Strip apart the condition and protect the identifiers @@ -346,12 +350,12 @@ abstract class CI_DB_active_record extends CI_DB_driver { } // Assemble the JOIN statement - $this->ar_join[] = $join = $type.'JOIN '.$this->protect_identifiers($table, TRUE, NULL, FALSE).' ON '.$cond; + $this->qb_join[] = $join = $type.'JOIN '.$this->protect_identifiers($table, TRUE, NULL, FALSE).' ON '.$cond; - if ($this->ar_caching === TRUE) + if ($this->qb_caching === TRUE) { - $this->ar_cache_join[] = $join; - $this->ar_cache_exists[] = 'join'; + $this->qb_cache_join[] = $join; + $this->qb_cache_exists[] = 'join'; } return $this; @@ -420,7 +424,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { foreach ($key as $k => $v) { - $prefix = (count($this->ar_where) === 0 && count($this->ar_cache_where) === 0) ? '' : $type; + $prefix = (count($this->qb_where) === 0 && count($this->qb_cache_where) === 0) ? '' : $type; if (is_null($v) && ! $this->_has_operator($k)) { @@ -446,11 +450,11 @@ abstract class CI_DB_active_record extends CI_DB_driver { $k = $this->protect_identifiers($k, FALSE, $escape); } - $this->ar_where[] = $prefix.$k.$v; - if ($this->ar_caching === TRUE) + $this->qb_where[] = $prefix.$k.$v; + if ($this->qb_caching === TRUE) { - $this->ar_cache_where[] = $prefix.$k.$v; - $this->ar_cache_exists[] = 'where'; + $this->qb_cache_where[] = $prefix.$k.$v; + $this->qb_cache_exists[] = 'where'; } } @@ -557,20 +561,20 @@ abstract class CI_DB_active_record extends CI_DB_driver { foreach ($values as $value) { - $this->ar_wherein[] = $this->escape($value); + $this->qb_wherein[] = $this->escape($value); } - $prefix = (count($this->ar_where) === 0) ? '' : $type; - $this->ar_where[] = $where_in = $prefix.$this->protect_identifiers($key).$not.' IN ('.implode(', ', $this->ar_wherein).') '; + $prefix = (count($this->qb_where) === 0) ? '' : $type; + $this->qb_where[] = $where_in = $prefix.$this->protect_identifiers($key).$not.' IN ('.implode(', ', $this->qb_wherein).') '; - if ($this->ar_caching === TRUE) + if ($this->qb_caching === TRUE) { - $this->ar_cache_where[] = $where_in; - $this->ar_cache_exists[] = 'where'; + $this->qb_cache_where[] = $where_in; + $this->qb_cache_exists[] = 'where'; } // reset the array for multiple calls - $this->ar_wherein = array(); + $this->qb_wherein = array(); return $this; } @@ -666,7 +670,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { foreach ($field as $k => $v) { $k = $this->protect_identifiers($k); - $prefix = (count($this->ar_like) === 0) ? '' : $type; + $prefix = (count($this->qb_like) === 0) ? '' : $type; $v = $this->escape_like_str($v); if ($side === 'none') @@ -692,11 +696,11 @@ abstract class CI_DB_active_record extends CI_DB_driver { $like_statement = $like_statement.sprintf($this->_like_escape_str, $this->_like_escape_chr); } - $this->ar_like[] = $like_statement; - if ($this->ar_caching === TRUE) + $this->qb_like[] = $like_statement; + if ($this->qb_caching === TRUE) { - $this->ar_cache_like[] = $like_statement; - $this->ar_cache_exists[] = 'like'; + $this->qb_cache_like[] = $like_statement; + $this->qb_cache_exists[] = 'like'; } } @@ -716,13 +720,14 @@ abstract class CI_DB_active_record extends CI_DB_driver { public function group_start($not = '', $type = 'AND ') { $type = $this->_group_get_type($type); - $this->ar_where_group_started = TRUE; - $prefix = (count($this->ar_where) === 0 && 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->qb_where_group_started = TRUE; + $prefix = (count($this->qb_where) === 0 && count($this->qb_cache_where) === 0) ? '' : $type; + $this->qb_where[] = $value = $prefix.$not.str_repeat(' ', ++$this->qb_where_group_count).' ('; + + if ($this->qb_caching) { - $this->ar_cache_where[] = $value; + $this->qb_cache_where[] = $value; } return $this; @@ -773,12 +778,12 @@ abstract class CI_DB_active_record extends CI_DB_driver { */ public function group_end() { - $this->ar_where_group_started = FALSE; - $this->ar_where[] = $value = str_repeat(' ', $this->ar_where_group_count--) . ')'; + $this->qb_where_group_started = FALSE; + $this->qb_where[] = $value = str_repeat(' ', $this->qb_where_group_count--) . ')'; - if ($this->ar_caching) + if ($this->qb_caching) { - $this->ar_cache_where[] = $value; + $this->qb_cache_where[] = $value; } return $this; @@ -796,10 +801,10 @@ abstract class CI_DB_active_record extends CI_DB_driver { */ protected function _group_get_type($type) { - if ($this->ar_where_group_started) + if ($this->qb_where_group_started) { $type = ''; - $this->ar_where_group_started = FALSE; + $this->qb_where_group_started = FALSE; } return $type; @@ -826,12 +831,12 @@ abstract class CI_DB_active_record extends CI_DB_driver { if ($val != '') { - $this->ar_groupby[] = $val = $this->protect_identifiers($val); + $this->qb_groupby[] = $val = $this->protect_identifiers($val); - if ($this->ar_caching === TRUE) + if ($this->qb_caching === TRUE) { - $this->ar_cache_groupby[] = $val; - $this->ar_cache_exists[] = 'groupby'; + $this->qb_cache_groupby[] = $val; + $this->qb_cache_exists[] = 'groupby'; } } } @@ -891,7 +896,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { foreach ($key as $k => $v) { - $prefix = (count($this->ar_having) === 0) ? '' : $type; + $prefix = (count($this->qb_having) === 0) ? '' : $type; if ($escape === TRUE) { @@ -908,11 +913,11 @@ abstract class CI_DB_active_record extends CI_DB_driver { $v = ' '.$this->escape($v); } - $this->ar_having[] = $prefix.$k.$v; - if ($this->ar_caching === TRUE) + $this->qb_having[] = $prefix.$k.$v; + if ($this->qb_caching === TRUE) { - $this->ar_cache_having[] = $prefix.$k.$v; - $this->ar_cache_exists[] = 'having'; + $this->qb_cache_having[] = $prefix.$k.$v; + $this->qb_cache_exists[] = 'having'; } } @@ -948,7 +953,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { foreach (explode(',', $orderby) as $part) { $part = trim($part); - if ( ! in_array($part, $this->ar_aliased_tables)) + if ( ! in_array($part, $this->qb_aliased_tables)) { $part = $this->protect_identifiers(trim($part)); } @@ -966,12 +971,12 @@ abstract class CI_DB_active_record extends CI_DB_driver { } } - $this->ar_orderby[] = $orderby_statement = $orderby.$direction; + $this->qb_orderby[] = $orderby_statement = $orderby.$direction; - if ($this->ar_caching === TRUE) + if ($this->qb_caching === TRUE) { - $this->ar_cache_orderby[] = $orderby_statement; - $this->ar_cache_exists[] = 'orderby'; + $this->qb_cache_orderby[] = $orderby_statement; + $this->qb_cache_exists[] = 'orderby'; } return $this; @@ -988,11 +993,11 @@ abstract class CI_DB_active_record extends CI_DB_driver { */ public function limit($value, $offset = NULL) { - $this->ar_limit = (int) $value; + $this->qb_limit = (int) $value; if ( ! is_null($offset)) { - $this->ar_offset = (int) $offset; + $this->qb_offset = (int) $offset; } return $this; @@ -1008,7 +1013,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { */ public function offset($offset) { - $this->ar_offset = (int) $offset; + $this->qb_offset = (int) $offset; return $this; } @@ -1035,11 +1040,11 @@ abstract class CI_DB_active_record extends CI_DB_driver { { if ($escape === FALSE) { - $this->ar_set[$this->protect_identifiers($k)] = $v; + $this->qb_set[$this->protect_identifiers($k)] = $v; } else { - $this->ar_set[$this->protect_identifiers($k, FALSE, TRUE)] = $this->escape($v); + $this->qb_set[$this->protect_identifiers($k, FALSE, TRUE)] = $this->escape($v); } } @@ -1054,7 +1059,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { * Compiles a SELECT query string and returns the sql. * * @param string the table name to select from (optional) - * @param bool TRUE: resets AR values; FALSE: leave AR vaules alone + * @param bool TRUE: resets QB values; FALSE: leave QB vaules alone * @return string */ public function get_compiled_select($table = '', $reset = TRUE) @@ -1110,7 +1115,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { * "Count All Results" query * * Generates a platform-specific query string that counts all records - * returned by an Active Record query. + * returned by an Query Builder query. * * @param string * @return string @@ -1186,7 +1191,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { $this->set_insert_batch($set); } - if (count($this->ar_set) === 0) + if (count($this->qb_set) === 0) { if ($this->db_debug) { @@ -1198,18 +1203,18 @@ abstract class CI_DB_active_record extends CI_DB_driver { if ($table == '') { - if ( ! isset($this->ar_from[0])) + if ( ! isset($this->qb_from[0])) { return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } - $table = $this->ar_from[0]; + $table = $this->qb_from[0]; } // Batch this baby - for ($i = 0, $total = count($this->ar_set); $i < $total; $i += 100) + for ($i = 0, $total = count($this->qb_set); $i < $total; $i += 100) { - $this->query($this->_insert_batch($this->protect_identifiers($table, TRUE, NULL, FALSE), $this->ar_keys, array_slice($this->ar_set, $i, 100))); + $this->query($this->_insert_batch($this->protect_identifiers($table, TRUE, NULL, FALSE), $this->qb_keys, array_slice($this->qb_set, $i, 100))); } $this->_reset_write(); @@ -1252,15 +1257,16 @@ abstract class CI_DB_active_record extends CI_DB_driver { $key = array($key => $value); } - $keys = array_keys(current($key)); + $keys = array_keys($this->_object_to_array(current($key))); sort($keys); foreach ($key as $row) { + $row = $this->_object_to_array($row); if (count(array_diff($keys, array_keys($row))) > 0 OR count(array_diff(array_keys($row), $keys)) > 0) { // batch function above returns an error on an empty array - $this->ar_set[] = array(); + $this->qb_set[] = array(); return; } @@ -1268,7 +1274,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { if ($escape === FALSE) { - $this->ar_set[] = '('.implode(',', $row).')'; + $this->qb_set[] = '('.implode(',', $row).')'; } else { @@ -1278,13 +1284,13 @@ abstract class CI_DB_active_record extends CI_DB_driver { $clean[] = $this->escape($value); } - $this->ar_set[] = '('.implode(',', $clean).')'; + $this->qb_set[] = '('.implode(',', $clean).')'; } } foreach ($keys as $k) { - $this->ar_keys[] = $this->protect_identifiers($k); + $this->qb_keys[] = $this->protect_identifiers($k); } return $this; @@ -1298,7 +1304,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { * Compiles an insert query and returns the sql * * @param string the table to insert into - * @param bool TRUE: reset AR values; FALSE: leave AR values alone + * @param bool TRUE: reset QB values; FALSE: leave QB values alone * @return string */ public function get_compiled_insert($table = '', $reset = TRUE) @@ -1309,9 +1315,11 @@ abstract class CI_DB_active_record extends CI_DB_driver { } $sql = $this->_insert( - $this->protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE), - array_keys($this->ar_set), - array_values($this->ar_set) + $this->protect_identifiers( + $this->qb_from[0], TRUE, NULL, FALSE + ), + array_keys($this->qb_set), + array_values($this->qb_set) ); if ($reset === TRUE) @@ -1346,9 +1354,11 @@ abstract class CI_DB_active_record extends CI_DB_driver { } $sql = $this->_insert( - $this->protect_identifiers($this->ar_from[0], TRUE, NULL, FALSE), - array_keys($this->ar_set), - array_values($this->ar_set) + $this->protect_identifiers( + $this->qb_from[0], TRUE, NULL, FALSE + ), + array_keys($this->qb_set), + array_values($this->qb_set) ); $this->_reset_write(); @@ -1386,21 +1396,21 @@ abstract class CI_DB_active_record extends CI_DB_driver { */ protected function _validate_insert($table = '') { - if (count($this->ar_set) === 0) + if (count($this->qb_set) === 0) { return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } if ($table == '') { - if ( ! isset($this->ar_from[0])) + if ( ! isset($this->qb_from[0])) { return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } } else { - $this->ar_from[0] = $table; + $this->qb_from[0] = $table; } return TRUE; @@ -1424,22 +1434,23 @@ abstract class CI_DB_active_record extends CI_DB_driver { $this->set($set); } - if (count($this->ar_set) === 0) + if (count($this->qb_set) === 0) { return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } if ($table == '') { - if ( ! isset($this->ar_from[0])) + if ( ! isset($this->qb_from[0])) { return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } - $table = $this->ar_from[0]; + $table = $this->qb_from[0]; } - $sql = $this->_replace($this->protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->ar_set), array_values($this->ar_set)); + $sql = $this->_replace($this->protect_identifiers($table, TRUE, NULL, FALSE), array_keys($this->qb_set), array_values($this->qb_set)); + $this->_reset_write(); return $this->query($sql); } @@ -1469,7 +1480,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { * Compiles an update query and returns the sql * * @param string the table to update - * @param bool TRUE: reset AR values; FALSE: leave AR values alone + * @param bool TRUE: reset QB values; FALSE: leave QB values alone * @return string */ public function get_compiled_update($table = '', $reset = TRUE) @@ -1482,7 +1493,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { 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); + $sql = $this->_update($this->protect_identifiers($this->qb_from[0], TRUE, NULL, FALSE), $this->qb_set, $this->qb_where, $this->qb_orderby, $this->qb_limit); if ($reset === TRUE) { @@ -1529,7 +1540,8 @@ abstract class CI_DB_active_record extends CI_DB_driver { $this->limit($limit); } - $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); + $sql = $this->_update($this->protect_identifiers($this->qb_from[0], TRUE, NULL, FALSE), $this->qb_set, $this->qb_where, $this->qb_orderby, $this->qb_limit, $this->qb_like); + $this->_reset_write(); return $this->query($sql); } @@ -1546,17 +1558,25 @@ abstract class CI_DB_active_record extends CI_DB_driver { * @param array the where clause * @param array the orderby clause * @param array the limit clause + * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) { foreach ($values as $key => $val) { $valstr[] = $key.' = '.$val; } + $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); + + if ( ! empty($like)) + { + $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); + } + return 'UPDATE '.$table.' SET '.implode(', ', $valstr) - .(($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : '') + .$where .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '') .($limit ? ' LIMIT '.$limit : ''); } @@ -1575,21 +1595,21 @@ abstract class CI_DB_active_record extends CI_DB_driver { */ protected function _validate_update($table = '') { - if (count($this->ar_set) == 0) + if (count($this->qb_set) == 0) { return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } if ($table == '') { - if ( ! isset($this->ar_from[0])) + if ( ! isset($this->qb_from[0])) { return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } } else { - $this->ar_from[0] = $table; + $this->qb_from[0] = $table; } return TRUE; @@ -1622,25 +1642,25 @@ abstract class CI_DB_active_record extends CI_DB_driver { $this->set_update_batch($set, $index); } - if (count($this->ar_set) === 0) + if (count($this->qb_set) === 0) { return ($this->db_debug) ? $this->display_error('db_must_use_set') : FALSE; } if ($table == '') { - if ( ! isset($this->ar_from[0])) + if ( ! isset($this->qb_from[0])) { return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } - $table = $this->ar_from[0]; + $table = $this->qb_from[0]; } // Batch this baby - for ($i = 0, $total = count($this->ar_set); $i < $total; $i += 100) + for ($i = 0, $total = count($this->qb_set); $i < $total; $i += 100) { - $this->query($this->_update_batch($this->protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->ar_set, $i, 100), $this->protect_identifiers($index), $this->ar_where)); + $this->query($this->_update_batch($this->protect_identifiers($table, TRUE, NULL, FALSE), array_slice($this->qb_set, $i, 100), $this->protect_identifiers($index), $this->qb_where)); } $this->_reset_write(); @@ -1689,7 +1709,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { return $this->display_error('db_batch_missing_index'); } - $this->ar_set[] = $clean; + $this->qb_set[] = $clean; } return $this; @@ -1709,12 +1729,12 @@ abstract class CI_DB_active_record extends CI_DB_driver { { if ($table == '') { - if ( ! isset($this->ar_from[0])) + if ( ! isset($this->qb_from[0])) { return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } - $table = $this->ar_from[0]; + $table = $this->qb_from[0]; } else { @@ -1742,12 +1762,12 @@ abstract class CI_DB_active_record extends CI_DB_driver { { if ($table == '') { - if ( ! isset($this->ar_from[0])) + if ( ! isset($this->qb_from[0])) { return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } - $table = $this->ar_from[0]; + $table = $this->qb_from[0]; } else { @@ -1785,7 +1805,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { * Compiles a delete query string and returns the sql * * @param string the table to delete from - * @param bool TRUE: reset AR values; FALSE: leave AR values alone + * @param bool TRUE: reset QB values; FALSE: leave QB values alone * @return string */ public function get_compiled_delete($table = '', $reset = TRUE) @@ -1816,12 +1836,12 @@ abstract class CI_DB_active_record extends CI_DB_driver { if ($table == '') { - if ( ! isset($this->ar_from[0])) + if ( ! isset($this->qb_from[0])) { return ($this->db_debug) ? $this->display_error('db_must_set_table') : FALSE; } - $table = $this->ar_from[0]; + $table = $this->qb_from[0]; } elseif (is_array($table)) { @@ -1848,12 +1868,12 @@ abstract 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->qb_where) === 0 && count($this->qb_wherein) === 0 && count($this->qb_like) === 0) { 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); + $sql = $this->_delete($table, $this->qb_where, $this->qb_like, $this->qb_limit); if ($reset_data) { $this->_reset_write(); @@ -1865,6 +1885,31 @@ abstract class CI_DB_active_record extends CI_DB_driver { // -------------------------------------------------------------------- /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @param string the table name + * @param array the where clause + * @param array the like clause + * @param string the limit clause + * @return string + */ + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = array(); + + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); + + return 'DELETE FROM '.$table + .(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '') + .($limit ? ' LIMIT '.$limit : ''); + } + + // -------------------------------------------------------------------- + + /** * DB Prefix * * Prepends a database prefix if one exists in configuration @@ -1935,9 +1980,9 @@ abstract class CI_DB_active_record extends CI_DB_driver { $table = trim(strrchr($table, ' ')); // Store the alias, if it doesn't already exist - if ( ! in_array($table, $this->ar_aliased_tables)) + if ( ! in_array($table, $this->qb_aliased_tables)) { - $this->ar_aliased_tables[] = $table; + $this->qb_aliased_tables[] = $table; } } } @@ -1964,9 +2009,9 @@ abstract class CI_DB_active_record extends CI_DB_driver { } else { - $sql = ( ! $this->ar_distinct) ? 'SELECT ' : 'SELECT DISTINCT '; + $sql = ( ! $this->qb_distinct) ? 'SELECT ' : 'SELECT DISTINCT '; - if (count($this->ar_select) === 0) + if (count($this->qb_select) === 0) { $sql .= '*'; } @@ -1975,73 +2020,73 @@ abstract class CI_DB_active_record extends CI_DB_driver { // Cycle through the "select" portion of the query and prep each column name. // The reason we protect identifiers here rather then in the select() function // is because until the user calls the from() function we don't know if there are aliases - foreach ($this->ar_select as $key => $val) + foreach ($this->qb_select as $key => $val) { - $no_escape = isset($this->ar_no_escape[$key]) ? $this->ar_no_escape[$key] : NULL; - $this->ar_select[$key] = $this->protect_identifiers($val, FALSE, $no_escape); + $no_escape = isset($this->qb_no_escape[$key]) ? $this->qb_no_escape[$key] : NULL; + $this->qb_select[$key] = $this->protect_identifiers($val, FALSE, $no_escape); } - $sql .= implode(', ', $this->ar_select); + $sql .= implode(', ', $this->qb_select); } } // Write the "FROM" portion of the query - if (count($this->ar_from) > 0) + if (count($this->qb_from) > 0) { - $sql .= "\nFROM ".$this->_from_tables($this->ar_from); + $sql .= "\nFROM ".$this->_from_tables($this->qb_from); } // Write the "JOIN" portion of the query - if (count($this->ar_join) > 0) + if (count($this->qb_join) > 0) { - $sql .= "\n".implode("\n", $this->ar_join); + $sql .= "\n".implode("\n", $this->qb_join); } // Write the "WHERE" portion of the query - if (count($this->ar_where) > 0 OR count($this->ar_like) > 0) + if (count($this->qb_where) > 0 OR count($this->qb_like) > 0) { $sql .= "\nWHERE "; } - $sql .= implode("\n", $this->ar_where); + $sql .= implode("\n", $this->qb_where); // Write the "LIKE" portion of the query - if (count($this->ar_like) > 0) + if (count($this->qb_like) > 0) { - if (count($this->ar_where) > 0) + if (count($this->qb_where) > 0) { $sql .= "\nAND "; } - $sql .= implode("\n", $this->ar_like); + $sql .= implode("\n", $this->qb_like); } // Write the "GROUP BY" portion of the query - if (count($this->ar_groupby) > 0) + if (count($this->qb_groupby) > 0) { - $sql .= "\nGROUP BY ".implode(', ', $this->ar_groupby); + $sql .= "\nGROUP BY ".implode(', ', $this->qb_groupby); } // Write the "HAVING" portion of the query - if (count($this->ar_having) > 0) + if (count($this->qb_having) > 0) { - $sql .= "\nHAVING ".implode("\n", $this->ar_having); + $sql .= "\nHAVING ".implode("\n", $this->qb_having); } // Write the "ORDER BY" portion of the query - if (count($this->ar_orderby) > 0) + if (count($this->qb_orderby) > 0) { - $sql .= "\nORDER BY ".implode(', ', $this->ar_orderby); - if ($this->ar_order !== FALSE) + $sql .= "\nORDER BY ".implode(', ', $this->qb_orderby); + if ($this->qb_order !== FALSE) { - $sql .= ($this->ar_order == 'desc') ? ' DESC' : ' ASC'; + $sql .= ($this->qb_order == 'desc') ? ' DESC' : ' ASC'; } } // Write the "LIMIT" portion of the query - if (is_numeric($this->ar_limit)) + if (is_numeric($this->qb_limit)) { - return $this->_limit($sql."\n", $this->ar_limit, $this->ar_offset); + return $this->_limit($sql."\n", $this->qb_limit, $this->qb_offset); } return $sql; @@ -2119,13 +2164,13 @@ abstract class CI_DB_active_record extends CI_DB_driver { /** * Start Cache * - * Starts AR caching + * Starts QB caching * * @return void */ public function start_cache() { - $this->ar_caching = TRUE; + $this->qb_caching = TRUE; } // -------------------------------------------------------------------- @@ -2133,13 +2178,13 @@ abstract class CI_DB_active_record extends CI_DB_driver { /** * Stop Cache * - * Stops AR caching + * Stops QB caching * * @return void */ public function stop_cache() { - $this->ar_caching = FALSE; + $this->qb_caching = FALSE; } // -------------------------------------------------------------------- @@ -2147,24 +2192,24 @@ abstract class CI_DB_active_record extends CI_DB_driver { /** * Flush Cache * - * Empties the AR cache + * Empties the QB cache * * @return void */ public function flush_cache() { $this->_reset_run(array( - 'ar_cache_select' => array(), - 'ar_cache_from' => array(), - 'ar_cache_join' => array(), - 'ar_cache_where' => array(), - 'ar_cache_like' => array(), - 'ar_cache_groupby' => array(), - 'ar_cache_having' => array(), - 'ar_cache_orderby' => array(), - 'ar_cache_set' => array(), - 'ar_cache_exists' => array(), - 'ar_cache_no_escape' => array() + 'qb_cache_select' => array(), + 'qb_cache_from' => array(), + 'qb_cache_join' => array(), + 'qb_cache_where' => array(), + 'qb_cache_like' => array(), + 'qb_cache_groupby' => array(), + 'qb_cache_having' => array(), + 'qb_cache_orderby' => array(), + 'qb_cache_set' => array(), + 'qb_cache_exists' => array(), + 'qb_cache_no_escape' => array() )); } @@ -2173,47 +2218,47 @@ abstract class CI_DB_active_record extends CI_DB_driver { /** * Merge Cache * - * When called, this function merges any cached AR arrays with + * When called, this function merges any cached QB arrays with * locally called ones. * * @return void */ protected function _merge_cache() { - if (count($this->ar_cache_exists) === 0) + if (count($this->qb_cache_exists) === 0) { return; } - foreach ($this->ar_cache_exists as $val) + foreach ($this->qb_cache_exists as $val) { - $ar_variable = 'ar_'.$val; - $ar_cache_var = 'ar_cache_'.$val; + $qb_variable = 'qb_'.$val; + $qb_cache_var = 'qb_cache_'.$val; - if (count($this->$ar_cache_var) === 0) + if (count($this->$qb_cache_var) === 0) { continue; } - $this->$ar_variable = array_unique(array_merge($this->$ar_cache_var, $this->$ar_variable)); + $this->$qb_variable = array_unique(array_merge($this->$qb_cache_var, $this->$qb_variable)); } // If we are "protecting identifiers" we need to examine the "from" // portion of the query to determine if there are any aliases - if ($this->_protect_identifiers === TRUE && count($this->ar_cache_from) > 0) + if ($this->_protect_identifiers === TRUE && count($this->qb_cache_from) > 0) { - $this->_track_aliases($this->ar_from); + $this->_track_aliases($this->qb_from); } - $this->ar_no_escape = $this->ar_cache_no_escape; + $this->qb_no_escape = $this->qb_cache_no_escape; } // -------------------------------------------------------------------- /** - * Reset Active Record values. + * Reset Query Builder values. * - * Publicly-visible method to reset the AR values. + * Publicly-visible method to reset the QB values. * * @return void */ @@ -2226,16 +2271,16 @@ abstract class CI_DB_active_record extends CI_DB_driver { // -------------------------------------------------------------------- /** - * Resets the active record values. Called by the get() function + * Resets the query builder values. Called by the get() function * * @param array An array of fields to reset * @return void */ - protected function _reset_run($ar_reset_items) + protected function _reset_run($qb_reset_items) { - foreach ($ar_reset_items as $item => $default_value) + foreach ($qb_reset_items as $item => $default_value) { - if ( ! in_array($item, $this->ar_store_array)) + if ( ! in_array($item, $this->qb_store_array)) { $this->$item = $default_value; } @@ -2245,28 +2290,28 @@ abstract class CI_DB_active_record extends CI_DB_driver { // -------------------------------------------------------------------- /** - * Resets the active record values. Called by the get() function + * Resets the query builder values. Called by the get() function * * @return void */ protected function _reset_select() { $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 + 'qb_select' => array(), + 'qb_from' => array(), + 'qb_join' => array(), + 'qb_where' => array(), + 'qb_like' => array(), + 'qb_groupby' => array(), + 'qb_having' => array(), + 'qb_orderby' => array(), + 'qb_wherein' => array(), + 'qb_aliased_tables' => array(), + 'qb_no_escape' => array(), + 'qb_distinct' => FALSE, + 'qb_limit' => FALSE, + 'qb_offset' => FALSE, + 'qb_order' => FALSE ) ); } @@ -2274,7 +2319,7 @@ abstract class CI_DB_active_record extends CI_DB_driver { // -------------------------------------------------------------------- /** - * Resets the active record "write" values. + * Resets the query builder "write" values. * * Called by the insert() update() insert_batch() update_batch() and delete() functions * @@ -2283,19 +2328,19 @@ abstract class CI_DB_active_record extends CI_DB_driver { protected function _reset_write() { $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 + 'qb_set' => array(), + 'qb_from' => array(), + 'qb_where' => array(), + 'qb_like' => array(), + 'qb_orderby' => array(), + 'qb_keys' => array(), + 'qb_limit' => FALSE, + 'qb_order' => FALSE ) ); } } -/* End of file DB_active_rec.php */ -/* Location: ./system/database/DB_active_rec.php */
\ No newline at end of file +/* End of file DB_query_builder.php */ +/* Location: ./system/database/DB_query_builder.php */
\ No newline at end of file diff --git a/system/database/DB_result.php b/system/database/DB_result.php index bb09c014c..196febe2c 100644 --- a/system/database/DB_result.php +++ b/system/database/DB_result.php @@ -384,7 +384,7 @@ class CI_DB_result { public function list_fields() { return array(); } public function field_data() { return array(); } public function free_result() { $this->result_id = FALSE; } - protected function _data_seek() { return TRUE; } + protected function _data_seek() { return FALSE; } protected function _fetch_assoc() { return array(); } protected function _fetch_object() { return array(); } diff --git a/system/database/DB_utility.php b/system/database/DB_utility.php index 642a004bd..587dfdc01 100644 --- a/system/database/DB_utility.php +++ b/system/database/DB_utility.php @@ -37,6 +37,11 @@ abstract class CI_DB_utility extends CI_DB_forge { public $db; public $data_cache = array(); + // Platform specific SQL strings + // Just setting those defaults to FALSE as they are mostly MySQL-specific + protected $_optimize_table = FALSE; + protected $_repair_table = FALSE; + public function __construct() { // Assign the main database object to $this->db @@ -50,7 +55,7 @@ abstract class CI_DB_utility extends CI_DB_forge { /** * List databases * - * @return bool + * @return array */ public function list_databases() { @@ -59,18 +64,25 @@ abstract class CI_DB_utility extends CI_DB_forge { { return $this->data_cache['db_names']; } + elseif ($this->_list_databases === FALSE) + { + return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE; + } + + $this->data_cache['db_names'] = array(); - $query = $this->db->query($this->_list_databases()); - $dbs = array(); - if ($query->num_rows() > 0) + $query = $this->db->query($this->_list_databases); + if ($query === FALSE) { - foreach ($query->result_array() as $row) - { - $dbs[] = current($row); - } + return $this->data_cache['db_names']; + } + + for ($i = 0, $c = count($query); $i < $c; $i++) + { + $this->data_cache['db_names'] = current($query[$i]); } - return $this->data_cache['db_names'] = $dbs; + return $this->data_cache['db_names']; } // -------------------------------------------------------------------- @@ -79,48 +91,36 @@ abstract class CI_DB_utility extends CI_DB_forge { * Determine if a particular database exists * * @param string - * @return boolean + * @return bool */ public function database_exists($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 - // defined in $driver_utility.php - if (method_exists($this, '_database_exists')) - { - return $this->_database_exists($database_name); - } - else - { - return ( ! in_array($database_name, $this->list_databases())) ? FALSE : TRUE; - } + return in_array($database_name, $this->list_databases()); } - // -------------------------------------------------------------------- /** * Optimize Table * * @param string the table name - * @return bool + * @return mixed */ public function optimize_table($table_name) { - $sql = $this->_optimize_table($table_name); - - if (is_bool($sql)) + if ($this->_optimize_table === FALSE) { - show_error('db_must_use_set'); - return FALSE; + return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE; } - $query = $this->db->query($sql); - $res = $query->result_array(); + $query = $this->db->query(sprintf($this->_optimize_table, $this->db->escape_identifiers($table_name))); + if ($query !== FALSE) + { + $query = $query->result_array(); + return current($res); + } - // Note: Due to a bug in current() that affects some versions - // of PHP we can not pass function call directly into it - return current($res); + return FALSE; } // -------------------------------------------------------------------- @@ -128,26 +128,26 @@ abstract class CI_DB_utility extends CI_DB_forge { /** * Optimize Database * - * @return array + * @return mixed */ public function optimize_database() { + if ($this->_optimize_table === FALSE) + { + return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE; + } + $result = array(); foreach ($this->db->list_tables() as $table_name) { - $sql = $this->_optimize_table($table_name); - - if (is_bool($sql)) + $res = $this->db->query(sprintf($this->_optimize_table, $this->db->escape_identifiers($table_name))); + if (is_bool($res)) { - return $sql; + return $res; } - $query = $this->db->query($sql); - // Build the result array... - // Note: Due to a bug in current() that affects some versions - // of PHP we can not pass function call directly into it - $res = $query->result_array(); + $res = $res->result_array(); $res = current($res); $key = str_replace($this->db->database.'.', '', current($res)); $keys = array_keys($res); @@ -165,23 +165,23 @@ abstract class CI_DB_utility extends CI_DB_forge { * Repair Table * * @param string the table name - * @return bool + * @return mixed */ public function repair_table($table_name) { - $sql = $this->_repair_table($table_name); - - if (is_bool($sql)) + if ($this->_repair_table === FALSE) { - return $sql; + return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE; } - $query = $this->db->query($sql); + $query = $this->db->query(sprintf($this->_repair_table, $this->db->escape_identifiers($table_name))); + if (is_bool($query)) + { + return $query; + } - // Note: Due to a bug in current() that affects some versions - // of PHP we can not pass function call directly into it - $res = $query->result_array(); - return current($res); + $query = $query->result_array(); + return current($query); } // -------------------------------------------------------------------- @@ -257,18 +257,18 @@ abstract class CI_DB_utility extends CI_DB_forge { $CI->load->helper('xml'); // Generate the result - $xml = "<{$root}>".$newline; + $xml = '<'.$root.'>'.$newline; foreach ($query->result_array() as $row) { - $xml .= $tab."<{$element}>".$newline; + $xml .= $tab.'<'.$element.'>'.$newline; foreach ($row as $key => $val) { - $xml .= $tab.$tab."<{$key}>".xml_convert($val)."</{$key}>".$newline; + $xml .= $tab.$tab.'<'.$key.'>'.xml_convert($val).'</'.$key.'>'.$newline; } - $xml .= $tab."</{$element}>".$newline; + $xml .= $tab.'</'.$element.'>'.$newline; } - return $xml .= "</$root>".$newline; + return $xml.'</'.$root.'>'.$newline; } // -------------------------------------------------------------------- @@ -328,8 +328,8 @@ abstract class CI_DB_utility extends CI_DB_forge { // Is the encoder supported? If not, we'll either issue an // error or use plain text depending on the debug settings - if (($prefs['format'] === 'gzip' AND ! @function_exists('gzencode')) - OR ($prefs['format'] === 'zip' AND ! @function_exists('gzcompress'))) + if (($prefs['format'] === 'gzip' && ! @function_exists('gzencode')) + OR ($prefs['format'] === 'zip' && ! @function_exists('gzcompress'))) { if ($this->db->db_debug) { diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php index 74d1a850a..1373faa88 100644 --- a/system/database/drivers/cubrid/cubrid_driver.php +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -21,7 +21,7 @@ * @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 + * @since Version 2.1 * @filesource */ @@ -29,7 +29,7 @@ * CUBRID Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -43,7 +43,7 @@ class CI_DB_cubrid_driver extends CI_DB { public $dbdriver = 'cubrid'; // The character used for escaping - no need in CUBRID - protected $_escape_char = ''; + protected $_escape_char = '`'; // clause and character used for LIKE escape sequences - not used in CUBRID protected $_like_escape_str = ''; @@ -192,13 +192,8 @@ class CI_DB_cubrid_driver extends CI_DB { */ public function trans_begin($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; } @@ -206,7 +201,7 @@ class CI_DB_cubrid_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); if (cubrid_get_autocommit($this->conn_id)) { @@ -225,13 +220,8 @@ class CI_DB_cubrid_driver extends CI_DB { */ 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; } @@ -255,13 +245,8 @@ class CI_DB_cubrid_driver extends CI_DB { */ 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; } @@ -297,7 +282,9 @@ class CI_DB_cubrid_driver extends CI_DB { return $str; } - if (function_exists('cubrid_real_escape_string') AND is_resource($this->conn_id)) + if (function_exists('cubrid_real_escape_string') && + (is_resource($this->conn_id) + OR (get_resource_type($this->conn_id) === 'Unknown' && preg_match('/Resource id #/', strval($this->conn_id))))) { $str = cubrid_real_escape_string($str, $this->conn_id); } @@ -309,7 +296,7 @@ class CI_DB_cubrid_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str); + return str_replace(array('%', '_'), array('\\%', '\\_'), $str); } return $str; @@ -363,9 +350,9 @@ class CI_DB_cubrid_driver extends CI_DB { return 0; } - $row = $query->row(); + $query = $query->row(); $this->_reset_select(); - return (int) $row->numrows; + return (int) $query->numrows; } // -------------------------------------------------------------------- @@ -380,11 +367,11 @@ class CI_DB_cubrid_driver extends CI_DB { */ protected function _list_tables($prefix_limit = FALSE) { - $sql = "SHOW TABLES"; + $sql = 'SHOW TABLES'; - if ($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 $sql; @@ -417,7 +404,7 @@ class CI_DB_cubrid_driver extends CI_DB { */ protected function _field_data($table) { - return "SELECT * FROM ".$table." LIMIT 1"; + return 'SELECT * FROM '.$table.' LIMIT 1'; } // -------------------------------------------------------------------- @@ -471,8 +458,6 @@ class CI_DB_cubrid_driver extends CI_DB { 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]; @@ -486,62 +471,21 @@ class CI_DB_cubrid_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", $v) + .'ELSE '.$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(',', $ids).')'; } // -------------------------------------------------------------------- - - /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($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.$limit; - } - - // -------------------------------------------------------------------- - + /** * Limit string * @@ -554,16 +498,7 @@ class CI_DB_cubrid_driver extends CI_DB { */ protected function _limit($sql, $limit, $offset) { - if ($offset == 0) - { - $offset = ''; - } - else - { - $offset .= ", "; - } - - return $sql."LIMIT ".$offset.$limit; + return $sql.'LIMIT '.($offset == 0 ? '' : $offset.', ').$limit; } // -------------------------------------------------------------------- @@ -582,4 +517,4 @@ 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 f83dc97f4..4e66f81e3 100644 --- a/system/database/drivers/cubrid/cubrid_forge.php +++ b/system/database/drivers/cubrid/cubrid_forge.php @@ -21,7 +21,7 @@ * @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 + * @since Version 2.1 * @filesource */ @@ -34,35 +34,8 @@ */ class CI_DB_cubrid_forge extends CI_DB_forge { - /** - * Create database - * - * @param string the database name - * @return bool - */ - public function _create_database($name) - { - // CUBRID does not allow to create a database in SQL. The GUI tools - // have to be used for this purpose. - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Drop database - * - * @param string the database name - * @return bool - */ - public function _drop_database($name) - { - // CUBRID does not allow to drop a database in SQL. The GUI tools - // have to be used for this purpose. - return FALSE; - } - - // -------------------------------------------------------------------- + protected $_create_database = FALSE; + protected $_drop_database = FALSE; /** * Process Fields @@ -82,24 +55,19 @@ class CI_DB_cubrid_forge extends CI_DB_forge { // entered the field information, so we'll simply add it to the list if (is_numeric($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($field) + .( ! empty($attributes['NAME']) ? ' '.$this->db->protect_identifiers($attributes['NAME']).' ' : ''); - $sql .= "\n\t\"".$this->db->protect_identifiers($field).'"'; - - if (array_key_exists('NAME', $attributes)) - { - $sql .= ' '.$this->db->protect_identifiers($attributes['NAME']).' '; - } - - if (array_key_exists('TYPE', $attributes)) + if ( ! empty($attributes['TYPE'])) { $sql .= ' '.$attributes['TYPE']; - if (array_key_exists('CONSTRAINT', $attributes)) + if ( ! empty($attributes['CONSTRAINT'])) { switch ($attributes['TYPE']) { @@ -108,9 +76,10 @@ class CI_DB_cubrid_forge extends CI_DB_forge { case 'numeric': $sql .= '('.implode(',', $attributes['CONSTRAINT']).')'; break; - case 'enum': // As of version 8.4.0 CUBRID does not support - // enum data type. - break; + case 'enum': + // Will be supported in the future as part a part of + // MySQL compatibility features. + break; case 'set': $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")'; break; @@ -120,36 +89,19 @@ class CI_DB_cubrid_forge extends CI_DB_forge { } } - if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) - { - //$sql .= ' UNSIGNED'; - // As of version 8.4.0 CUBRID does not support UNSIGNED INTEGER data type. - // Will be supported in the next release as a part of MySQL Compatibility. - } - - if (array_key_exists('DEFAULT', $attributes)) - { - $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; - } - - if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) + /* As of version 8.4.1 CUBRID does not support UNSIGNED INTEGER data type. + * Will be supported in the next release as a part of MySQL Compatibility. + * + if (isset($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; + $sql .= ' UNSIGNED'; } + */ - if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) - { - $sql .= ' AUTO_INCREMENT'; - } - - if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE) - { - $sql .= ' UNIQUE'; - } + $sql .= (isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '') + .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') + .(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : '') + .(( ! empty($attributes['UNIQUE']) && $attributes['UNIQUE'] === TRUE) ? ' UNIQUE' : ''); } // don't add a comma on the end of the last field @@ -174,25 +126,24 @@ class CI_DB_cubrid_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; + /* As of version 8.4.1 CUBRID does not support this SQL syntax. if ($if_not_exists === TRUE) { - //$sql .= 'IF NOT EXISTS '; - // As of version 8.4.0 CUBRID does not support this SQL syntax. + $sql .= 'IF NOT EXISTS '; } + */ $sql .= $this->db->escape_identifiers($table).' ('.$this->_process_fields($fields); // If there is a PK defined if (count($primary_keys) > 0) { - $key_name = 'pk_'.$table.'_'.$this->db->protect_identifiers(implode('_', $primary_keys)); - - $primary_keys = $this->db->protect_identifiers($primary_keys); - $sql .= ",\n\tCONSTRAINT " . $key_name . " PRIMARY KEY(" . implode(', ', $primary_keys) . ")"; + $key_name = $this->db->protect_identifiers('pk_'.$table.'_'.implode('_', $primary_keys)); + $sql .= ",\n\tCONSTRAINT ".$key_name.' PRIMARY KEY('.implode(', ', $this->db->protect_identifiers($primary_keys)).')'; } if (is_array($keys) && count($keys) > 0) @@ -201,34 +152,20 @@ class CI_DB_cubrid_forge extends CI_DB_forge { { if (is_array($key)) { - $key_name = $this->db->protect_identifiers(implode('_', $key)); + $key_name = $this->db->protect_identifiers('idx_'.$table.implode('_', $key)); $key = $this->db->protect_identifiers($key); } else { - $key_name = $this->db->protect_identifiers($key); + $key_name = $this->db->protect_identifiers('idx_'.$table.$key); $key = array($key_name); } - $sql .= ",\n\tKEY \"{$key_name}\" (" . implode(', ', $key) . ")"; + $sql .= ",\n\tKEY ".$key_name.' ('.implode(', ', $key).')'; } } - $sql .= "\n);"; - - return $sql; - } - - // -------------------------------------------------------------------- - - /** - * Drop Table - * - * @return string - */ - public function _drop_table($table) - { - return 'DROP TABLE IF EXISTS '.$this->db->escape_identifiers($table); + return $sql."\n);"; } // -------------------------------------------------------------------- @@ -245,40 +182,18 @@ class CI_DB_cubrid_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $fields, $after_field = '') + protected function _alter_table($alter_type, $table, $fields, $after_field = '') { $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '; // DROP has everything it needs now. - if ($alter_type == 'DROP') + if ($alter_type === 'DROP') { return $sql.$this->db->protect_identifiers($fields); } - $sql .= $this->_process_fields($fields); - - if ($after_field != '') - { - return $sql.' AFTER '.$this->db->protect_identifiers($after_field); - } - - return $sql; - } - - // -------------------------------------------------------------------- - - /** - * Rename a table - * - * Generates a platform-specific query so that a table can be renamed - * - * @param string the old table name - * @param string the new table name - * @return string - */ - public function _rename_table($table_name, $new_table_name) - { - return 'RENAME TABLE '.$this->db->protect_identifiers($table_name).' AS '.$this->db->protect_identifiers($new_table_name); + return $sql.$this->_process_fields($fields) + .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } } diff --git a/system/database/drivers/cubrid/cubrid_result.php b/system/database/drivers/cubrid/cubrid_result.php index 6a61a213d..3eb9f7e3d 100644 --- a/system/database/drivers/cubrid/cubrid_result.php +++ b/system/database/drivers/cubrid/cubrid_result.php @@ -21,7 +21,7 @@ * @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 + * @since Version 2.1 * @filesource */ @@ -84,53 +84,20 @@ class CI_DB_cubrid_result extends CI_DB_result { public function field_data() { $retval = array(); - - $tablePrimaryKeys = array(); + $i = 0; while ($field = cubrid_fetch_field($this->result_id)) { - $F = new stdClass(); - $F->name = $field->name; - $F->type = $field->type; - $F->default = $field->def; - $F->max_length = $field->max_length; - - // At this moment primary_key property is not returned when - // cubrid_fetch_field is called. The following code will - // provide a patch for it. primary_key property will be added - // in the next release. - - // TODO: later version of CUBRID will provide primary_key - // property. - // When PK is defined in CUBRID, an index is automatically - // created in the db_index system table in the form of - // pk_tblname_fieldname. So the following will count how many - // columns are there which satisfy this format. - // The query will search for exact single columns, thus - // compound PK is not supported. - $res = cubrid_query($this->conn_id, - "SELECT COUNT(*) FROM db_index WHERE class_name = '" . $field->table . - "' AND is_primary_key = 'YES' AND index_name = 'pk_" . - $field->table . "_" . $field->name . "'" - ); - - if ($res) - { - $row = cubrid_fetch_array($res, CUBRID_NUM); - $F->primary_key = ($row[0] > 0 ? 1 : null); - } - else - { - $F->primary_key = null; - } - - if (is_resource($res)) - { - cubrid_close_request($res); - $this->result_id = FALSE; - } - - $retval[] = $F; + $retval[$i] = new stdClass(); + $retval[$i]->name = $field->name; + // CUBRID returns type as e.g. varchar(100), + // so we need to remove all digits and brackets. + $retval[$i]->type = preg_replace('/[\d()]/', '', $field->type); + $retval[$i]->default = $field->def; + // Use CUBRID's native API to obtain column's max_length, + // otherwise $field->max_length has incorrect info + $retval[$i]->max_length = cubrid_field_len($this->result_id, $i); + $retval[$i++]->primary_key = $field->primary_key; } return $retval; @@ -145,9 +112,8 @@ class CI_DB_cubrid_result extends CI_DB_result { */ public function free_result() { - if(is_resource($this->result_id) || - get_resource_type($this->result_id) == "Unknown" && - preg_match('/Resource id #/', strval($this->result_id))) + if (is_resource($this->result_id) OR + (get_resource_type($this->result_id) === 'Unknown' && preg_match('/Resource id #/', strval($this->result_id)))) { cubrid_close_request($this->result_id); $this->result_id = FALSE; @@ -163,7 +129,7 @@ class CI_DB_cubrid_result extends CI_DB_result { * this internally before fetching results to make sure the * result set starts at zero * - * @return array + * @return bool */ protected function _data_seek($n = 0) { diff --git a/system/database/drivers/cubrid/cubrid_utility.php b/system/database/drivers/cubrid/cubrid_utility.php index dafd66146..c8cee99b6 100644 --- a/system/database/drivers/cubrid/cubrid_utility.php +++ b/system/database/drivers/cubrid/cubrid_utility.php @@ -21,7 +21,7 @@ * @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 + * @since Version 2.1 * @filesource */ @@ -39,69 +39,25 @@ class CI_DB_cubrid_utility extends CI_DB_utility { * * @return array */ - public function _list_databases() + public function list_databases() { - // CUBRID does not allow to see the list of all databases on the - // server. It is the way its architecture is designed. Every - // database is independent and isolated. - // For this reason we can return only the name of the currect - // connected database. - if ($this->conn_id) + if (isset($this->data_cache['db_names'])) { - return "SELECT '" . $this->database . "'"; + return $this->data_cache['db_names']; } - else - { - return FALSE; - } - } - - // -------------------------------------------------------------------- - /** - * Optimize table query - * - * Generates a platform-specific query so that a table can be optimized - * - * @param string the table name - * @return bool - * @link http://www.cubrid.org/manual/840/en/Optimize%20Database - */ - public function _optimize_table($table) - { - // No SQL based support in CUBRID as of version 8.4.0. Database or - // table optimization can be performed using CUBRID Manager - // database administration tool. See the link above for more info. - return FALSE; + return $this->data_cache['db_names'] = cubrid_list_dbs($this->db->conn_id); } // -------------------------------------------------------------------- /** - * Repair table query - * - * Generates a platform-specific query so that a table can be repaired - * - * @param string the table name - * @return bool - * @link http://www.cubrid.org/manual/840/en/Checking%20Database%20Consistency - */ - public function _repair_table($table) - { - // Not supported in CUBRID as of version 8.4.0. Database or - // table consistency can be checked using CUBRID Manager - // database administration tool. See the link above for more info. - return FALSE; - } - - // -------------------------------------------------------------------- - /** * CUBRID Export * * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // No SQL based support in CUBRID as of version 8.4.0. Database or // table backup can be performed using CUBRID Manager diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php index 88638a21a..1b18de803 100644 --- a/system/database/drivers/interbase/interbase_driver.php +++ b/system/database/drivers/interbase/interbase_driver.php @@ -29,7 +29,7 @@ * Firebird/Interbase Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -373,20 +373,26 @@ class CI_DB_interbase_driver extends CI_DB { * @param array the update data * @param array the where clause * @param array the orderby clause - * @param array the limit clause + * @param array the limit clause (ignored) + * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) { foreach ($values as $key => $val) { $valstr[] = $key.' = '.$val; } - //$limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); + + if ( ! empty($like)) + { + $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); + } return 'UPDATE '.$table.' SET '.implode(', ', $valstr) - .(($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : '') + .$where .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : ''); } @@ -418,25 +424,18 @@ class CI_DB_interbase_driver extends CI_DB { * * @param string the table name * @param array the where clause - * @param string the limit clause + * @param array the like clause + * @param string the limit clause (ignored) * @return string */ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) { - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE ".implode("\n", $where) - .((count($where) > 0 && count($like) > 0) ? ' AND ' : '') - .implode("\n", $like); - } - else - { - $conditions = ''; - } + $conditions = array(); - //$limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); - return 'DELETE FROM '.$table.' '.$conditions; + return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : ''); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/interbase/interbase_forge.php b/system/database/drivers/interbase/interbase_forge.php index f46043569..c850656a8 100644 --- a/system/database/drivers/interbase/interbase_forge.php +++ b/system/database/drivers/interbase/interbase_forge.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * Interbase/Firebird Forge Class * @@ -36,18 +34,22 @@ */ class CI_DB_interbase_forge extends CI_DB_forge { + protected $_drop_table = 'DROP TABLE %s'; + /** * Create database * * @param string the database name * @return string */ - protected function _create_database($filename='') + public function create_database($db_name) { - // Firebird databases are flat files, so a path is required + // Firebird databases are flat files, so a path is required + // Hostname is needed for remote access - return 'CREATE DATABASE "'.$this->hostname.':'.$filename.'"'; - + empty($this->db->hostname) OR $db_name = $this->hostname.':'.$db_name; + + return parent::create_database('"'.$db_name.'"'); } // -------------------------------------------------------------------- @@ -55,14 +57,20 @@ class CI_DB_interbase_forge extends CI_DB_forge { /** * Drop database * - * @param string the database name - not used in this driver - * - the current db is dropped + * @param string the database name + * - not used in this driver, the current db is dropped * @return bool */ - protected function _drop_database($name='') + public function drop_database($db_name = '') { - return ibase_drop_db($this->conn_id); + if ( ! ibase_drop_db($this->conn_id)) + { + return ($this->db->db_debug) ? $this->db->display_error('db_unable_to_drop') : FALSE; + } + + return TRUE; } + // -------------------------------------------------------------------- /** @@ -72,7 +80,7 @@ class CI_DB_interbase_forge extends CI_DB_forge { * @param array the fields * @param mixed primary key(s) * @param mixed key(s) - * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @param bool should 'IF NOT EXISTS' be added to the SQL * @return string */ protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) @@ -167,18 +175,6 @@ class CI_DB_interbase_forge extends CI_DB_forge { // -------------------------------------------------------------------- /** - * Drop Table - * - * @return string - */ - protected function _drop_table($table) - { - return 'DROP TABLE '.$name; - } - - // -------------------------------------------------------------------- - - /** * Alter table query * * Generates a platform-specific query so that a table can be altered @@ -189,7 +185,7 @@ class CI_DB_interbase_forge extends CI_DB_forge { * @param string the table name * @param string the column definition * @param string the default value - * @param boolean should 'NOT NULL' be added + * @param bool should 'NOT NULL' be added * @param string the field after which we should add the new field * @return string */ @@ -222,21 +218,6 @@ class CI_DB_interbase_forge extends CI_DB_forge { } - // -------------------------------------------------------------------- - - /** - * Rename a table - * - * Generates a platform-specific query so that a table can be renamed - * - * @param string the old table name - * @param string the new table name - * @return string - */ - protected function _rename_table($table_name, $new_table_name) - { - return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); - } } /* End of file interbase_forge.php */ diff --git a/system/database/drivers/interbase/interbase_result.php b/system/database/drivers/interbase/interbase_result.php index fd4178dec..5ddb6fa47 100644 --- a/system/database/drivers/interbase/interbase_result.php +++ b/system/database/drivers/interbase/interbase_result.php @@ -131,23 +131,6 @@ class CI_DB_interbase_result extends CI_DB_result { // -------------------------------------------------------------------- /** - * Data Seek - * - * Moves the internal pointer to the desired offset. We call - * this internally before fetching results to make sure the - * result set starts at zero - * - * @return array - */ - protected function _data_seek($n = 0) - { - // Interbase driver doesn't implement a suitable function - return FALSE; - } - - // -------------------------------------------------------------------- - - /** * Result - associative array * * Returns the result set as an array diff --git a/system/database/drivers/interbase/interbase_utility.php b/system/database/drivers/interbase/interbase_utility.php index a88055ee0..1b92af9b6 100644 --- a/system/database/drivers/interbase/interbase_utility.php +++ b/system/database/drivers/interbase/interbase_utility.php @@ -25,8 +25,6 @@ * @filesource */ -// ------------------------------------------------------------------------ - /** * Interbase/Firebird Utility Class * @@ -36,56 +34,7 @@ */ 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; - } - - // -------------------------------------------------------------------- + protected $_list_databases = FALSE; /** * Interbase/Firebird Export @@ -93,22 +42,20 @@ class CI_DB_interbase_utility extends CI_DB_utility { * @param string $filename * @return mixed */ - public function backup($filename) + protected function backup($filename) { if ($service = ibase_service_attach($this->db->hostname, $this->db->username, $this->db->password)) { $res = ibase_backup($service, $this->db->database, $filename.'.fbk'); - - //Close the service connection + + // Close the service connection ibase_service_detach($service); - return $res; } - else - { - return FALSE; - } + + return FALSE; } + } /* End of file interbase_utility.php */ diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php index ae3b843ee..f60ec8168 100644 --- a/system/database/drivers/mssql/mssql_driver.php +++ b/system/database/drivers/mssql/mssql_driver.php @@ -29,7 +29,7 @@ * MS SQL Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -425,6 +425,38 @@ class CI_DB_mssql_driver extends CI_DB { // -------------------------------------------------------------------- /** + * Update statement + * + * Generates a platform-specific update string from the supplied data + * + * @param string the table name + * @param array the update data + * @param array the where clause + * @param array the orderby clause (ignored) + * @param array the limit clause (ignored) + * @param array the like clause + * @return string + */ + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + { + foreach($values as $key => $val) + { + $valstr[] = $key.' = '.$val; + } + + $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); + + if ( ! empty($like)) + { + $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); + } + + return 'UPDATE '.$table.' SET '.implode(', ', $valstr).' WHERE '.$where; + } + + // -------------------------------------------------------------------- + + /** * Truncate statement * * Generates a platform-specific truncate string from the supplied data @@ -449,28 +481,22 @@ class CI_DB_mssql_driver extends CI_DB { * * @param string the table name * @param array the where clause + * @param array the like 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); + $conditions = array(); - if (count($where) > 0 && count($like) > 0) - { - $conditions .= " AND "; - } - $conditions .= implode("\n", $like); - } + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : ''; - return "DELETE FROM ".$table.$conditions.$limit; + return ($limit) + ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete' + : 'DELETE FROM '.$table.$conditions; } // -------------------------------------------------------------------- @@ -508,4 +534,4 @@ 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 d787b3764..8f8e7c5b9 100644 --- a/system/database/drivers/mssql/mssql_forge.php +++ b/system/database/drivers/mssql/mssql_forge.php @@ -34,44 +34,7 @@ */ class CI_DB_mssql_forge extends CI_DB_forge { - /** - * Create database - * - * @param string the database name - * @return string - */ - public function _create_database($name) - { - return "CREATE DATABASE ".$name; - } - - // -------------------------------------------------------------------- - - /** - * Drop database - * - * @param string the database name - * @return string - */ - public function _drop_database($name) - { - return "DROP DATABASE ".$name; - } - - // -------------------------------------------------------------------- - - /** - * Drop Table - * - * @param string table name - * @return string - */ - public function _drop_table($table) - { - return 'DROP TABLE '.$this->db->escape_identifiers($table); - } - - // -------------------------------------------------------------------- + protected $_drop_table = 'DROP TABLE %s'; /** * Create Table @@ -83,7 +46,7 @@ class CI_DB_mssql_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return string */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -194,7 +157,7 @@ class CI_DB_mssql_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + protected function _alter_table($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); @@ -229,23 +192,6 @@ class CI_DB_mssql_forge extends CI_DB_forge { } - // -------------------------------------------------------------------- - - /** - * 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 - */ - public function _rename_table($table_name, $new_table_name) - { - // I think this syntax will work, but can find little documentation on renaming tables in MSSQL - return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); - } - } /* End of file mssql_forge.php */ diff --git a/system/database/drivers/mssql/mssql_result.php b/system/database/drivers/mssql/mssql_result.php index 2723f4614..4cc87f4cf 100644 --- a/system/database/drivers/mssql/mssql_result.php +++ b/system/database/drivers/mssql/mssql_result.php @@ -126,11 +126,11 @@ class CI_DB_mssql_result extends CI_DB_result { /** * Data Seek * - * Moves the internal pointer to the desired offset. We call + * Moves the internal pointer to the desired offset. We call * this internally before fetching results to make sure the * result set starts at zero * - * @return array + * @return bool */ protected function _data_seek($n = 0) { diff --git a/system/database/drivers/mssql/mssql_utility.php b/system/database/drivers/mssql/mssql_utility.php index 5c144330d..6d47618ce 100644 --- a/system/database/drivers/mssql/mssql_utility.php +++ b/system/database/drivers/mssql/mssql_utility.php @@ -34,47 +34,8 @@ */ class CI_DB_mssql_utility extends CI_DB_utility { - /** - * List databases - * - * @return string - */ - public function _list_databases() - { - return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases - } - - // -------------------------------------------------------------------- - - /** - * Optimize table query - * - * Generates a platform-specific query so that a table can be optimized - * - * @param string the table name - * @return bool - */ - public function _optimize_table($table) - { - return FALSE; // Is this supported in MS SQL? - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * Generates a platform-specific query so that a table can be repaired - * - * @param string the table name - * @return bool - */ - public function _repair_table($table) - { - return FALSE; // Is this supported in MS SQL? - } - - // -------------------------------------------------------------------- + protected $_list_databases = 'EXEC sp_helpdb'; // Can also be: EXEC sp_databases + protected $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE'; /** * MSSQL Export @@ -82,7 +43,7 @@ class CI_DB_mssql_utility extends CI_DB_utility { * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 28020d3e6..32c51865d 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -29,7 +29,7 @@ * MySQL Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -460,39 +460,6 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Update statement - * - * Generates a platform-specific update string from the supplied data - * - * @param string the table name - * @param array the update data - * @param array the where clause - * @param array the orderby clause - * @param array the limit clause - * @return string - */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) - { - foreach ($values as $key => $val) - { - $valstr[] = $key.' = '.$val; - } - - $where = ($where != '' && count($where) > 0) ? ' WHERE '.implode(' ', $where) : ''; - if (count($like) > 0) - { - $where .= ($where == '' ? ' WHERE ' : ' AND ').implode(' ', $like); - } - - return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where - .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : '') - .( ! $limit ? '' : ' LIMIT '.$limit); - } - - // -------------------------------------------------------------------- - - - /** * Update_Batch statement * * Generates a platform-specific batch update string from the supplied data @@ -534,36 +501,6 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * 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 ".implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= ' AND '; - } - $conditions .= implode("\n", $like); - } - - return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); - } - - // -------------------------------------------------------------------- - - /** * Limit string * * Generates a platform-specific LIMIT clause @@ -594,4 +531,4 @@ class CI_DB_mysql_driver extends CI_DB { } /* 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 9e19de1bb..0e39affa7 100644 --- a/system/database/drivers/mysql/mysql_forge.php +++ b/system/database/drivers/mysql/mysql_forge.php @@ -34,31 +34,7 @@ */ class CI_DB_mysql_forge extends CI_DB_forge { - /** - * Create database - * - * @param string the database name - * @return string - */ - public function _create_database($name) - { - return 'CREATE DATABASE '.$name.' CHARACTER SET '.$this->db->char_set.' COLLATE '.$this->db->dbcollat; - } - - // -------------------------------------------------------------------- - - /** - * Drop database - * - * @param string the database name - * @return string - */ - public function _drop_database($name) - { - return 'DROP DATABASE '.$name; - } - - // -------------------------------------------------------------------- + protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s'; /** * Process Fields @@ -138,7 +114,7 @@ class CI_DB_mysql_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -180,19 +156,6 @@ class CI_DB_mysql_forge extends CI_DB_forge { // -------------------------------------------------------------------- /** - * Drop Table - * - * @param string table name - * @return string - */ - public function _drop_table($table) - { - return 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table); - } - - // -------------------------------------------------------------------- - - /** * Alter table query * * Generates a platform-specific query so that a table can be altered @@ -204,7 +167,7 @@ class CI_DB_mysql_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $fields, $after_field = '') + protected function _alter_table($alter_type, $table, $fields, $after_field = '') { $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '; @@ -218,22 +181,6 @@ class CI_DB_mysql_forge extends CI_DB_forge { .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } - // -------------------------------------------------------------------- - - /** - * Rename a table - * - * Generates a platform-specific query so that a table can be renamed - * - * @param string the old table name - * @param string the new table name - * @return string - */ - public function _rename_table($table_name, $new_table_name) - { - return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); - } - } /* End of file mysql_forge.php */ diff --git a/system/database/drivers/mysql/mysql_result.php b/system/database/drivers/mysql/mysql_result.php index f76076f4c..14d6d072a 100644 --- a/system/database/drivers/mysql/mysql_result.php +++ b/system/database/drivers/mysql/mysql_result.php @@ -128,7 +128,7 @@ class CI_DB_mysql_result extends CI_DB_result { * this internally before fetching results to make sure the * result set starts at zero * - * @return array + * @return bool */ protected function _data_seek($n = 0) { diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php index 2d89cb9cb..642323dbd 100644 --- a/system/database/drivers/mysql/mysql_utility.php +++ b/system/database/drivers/mysql/mysql_utility.php @@ -34,54 +34,17 @@ */ class CI_DB_mysql_utility extends CI_DB_utility { - /** - * List databases - * - * @return string - */ - public function _list_databases() - { - return 'SHOW DATABASES'; - } - - // -------------------------------------------------------------------- - - /** - * Optimize table query - * - * Generates a platform-specific query so that a table can be optimized - * - * @param string the table name - * @return string - */ - public function _optimize_table($table) - { - return 'OPTIMIZE TABLE '.$this->db->protect_identifiers($table); - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * Generates a platform-specific query so that a table can be repaired - * - * @param string the table name - * @return string - */ - public function _repair_table($table) - { - return 'REPAIR TABLE '.$this->db->protect_identifiers($table); - } + protected $_list_databases = 'SHOW DATABASES'; + protected $_optimize_table = 'OPTIMIZE TABLE %s'; + protected $_repair_table = 'REPAIR TABLE %s'; - // -------------------------------------------------------------------- /** * MySQL Export * * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { if (count($params) === 0) { diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index 50e213641..e2684e4f2 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -29,7 +29,7 @@ * MySQLi Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -503,35 +503,6 @@ class CI_DB_mysqli_driver extends CI_DB { // -------------------------------------------------------------------- /** - * 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 ".implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= ' AND '; - } - $conditions .= implode("\n", $like); - } - - return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); - } - - // -------------------------------------------------------------------- - - /** * Limit string * * Generates a platform-specific LIMIT clause @@ -564,4 +535,4 @@ class CI_DB_mysqli_driver extends CI_DB { } /* 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 4b6939e2a..503574dfc 100644 --- a/system/database/drivers/mysqli/mysqli_forge.php +++ b/system/database/drivers/mysqli/mysqli_forge.php @@ -34,31 +34,7 @@ */ class CI_DB_mysqli_forge extends CI_DB_forge { - /** - * Create database - * - * @param string the database name - * @return string - */ - public function _create_database($name) - { - return 'CREATE DATABASE '.$name.' CHARACTER SET '.$this->db->char_set.' COLLATE '.$this->db->dbcollat; - } - - // -------------------------------------------------------------------- - - /** - * Drop database - * - * @param string the database name - * @return string - */ - public function _drop_database($name) - { - return 'DROP DATABASE '.$name; - } - - // -------------------------------------------------------------------- + protected $_create_database = 'CREATE DATABASE %s CHARACTER SET %s COLLATE %s'; /** * Process Fields @@ -139,7 +115,7 @@ class CI_DB_mysqli_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -181,18 +157,6 @@ class CI_DB_mysqli_forge extends CI_DB_forge { // -------------------------------------------------------------------- /** - * Drop Table - * - * @return string - */ - public function _drop_table($table) - { - return 'DROP TABLE IF EXISTS '.$this->db->escape_identifiers($table); - } - - // -------------------------------------------------------------------- - - /** * Alter table query * * Generates a platform-specific query so that a table can be altered @@ -204,7 +168,7 @@ class CI_DB_mysqli_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $fields, $after_field = '') + protected function _alter_table($alter_type, $table, $fields, $after_field = '') { $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '; @@ -218,22 +182,6 @@ class CI_DB_mysqli_forge extends CI_DB_forge { .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } - // -------------------------------------------------------------------- - - /** - * Rename a table - * - * Generates a platform-specific query so that a table can be renamed - * - * @param string the old table name - * @param string the new table name - * @return string - */ - public function _rename_table($table_name, $new_table_name) - { - return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); - } - } /* End of file mysqli_forge.php */ diff --git a/system/database/drivers/mysqli/mysqli_result.php b/system/database/drivers/mysqli/mysqli_result.php index cf0362217..9b4d494d4 100644 --- a/system/database/drivers/mysqli/mysqli_result.php +++ b/system/database/drivers/mysqli/mysqli_result.php @@ -125,11 +125,11 @@ class CI_DB_mysqli_result extends CI_DB_result { /** * Data Seek * - * Moves the internal pointer to the desired offset. We call + * Moves the internal pointer to the desired offset. We call * this internally before fetching results to make sure the * result set starts at zero * - * @return array + * @return bool */ protected function _data_seek($n = 0) { diff --git a/system/database/drivers/mysqli/mysqli_utility.php b/system/database/drivers/mysqli/mysqli_utility.php index cb3f86b8b..27d4ef817 100644 --- a/system/database/drivers/mysqli/mysqli_utility.php +++ b/system/database/drivers/mysqli/mysqli_utility.php @@ -34,47 +34,9 @@ */ class CI_DB_mysqli_utility extends CI_DB_utility { - /** - * List databases - * - * @return string - */ - public function _list_databases() - { - return 'SHOW DATABASES'; - } - - // -------------------------------------------------------------------- - - /** - * Optimize table query - * - * Generates a platform-specific query so that a table can be optimized - * - * @param string the table name - * @return string - */ - public function _optimize_table($table) - { - return 'OPTIMIZE TABLE '.$this->db->escape_identifiers($table); - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * Generates a platform-specific query so that a table can be repaired - * - * @param string the table name - * @return string - */ - public function _repair_table($table) - { - return 'REPAIR TABLE '.$this->db->escape_identifiers($table); - } - - // -------------------------------------------------------------------- + protected $_list_databases = 'SHOW DATABASES'; + protected $_optimize_table = 'OPTIMIZE TABLE %s'; + protected $_repair_table = 'REPAIR TABLE %s'; /** * MySQLi Export @@ -82,7 +44,7 @@ class CI_DB_mysqli_utility extends CI_DB_utility { * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php index 6e225ee1f..33a89df94 100644 --- a/system/database/drivers/oci8/oci8_driver.php +++ b/system/database/drivers/oci8/oci8_driver.php @@ -29,7 +29,7 @@ * oci8 Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -632,24 +632,19 @@ class CI_DB_oci8_driver extends CI_DB { * * @param string the table name * @param array the where clause + * @param array the like clause * @param string the limit clause * @return string */ protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) { - $conditions = ''; - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE ".implode("\n", $this->ar_where); + $conditions = array(); - if (count($where) > 0 && count($like) > 0) - { - $conditions .= ' AND '; - } - $conditions .= implode("\n", $like); - } + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); + empty($limit) OR $conditions[] = 'rownum <= '.$limit; - return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); + return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : ''); } // -------------------------------------------------------------------- @@ -687,4 +682,4 @@ class CI_DB_oci8_driver extends CI_DB { } /* End of file oci8_driver.php */ -/* Location: ./system/database/drivers/oci8/oci8_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/oci8/oci8_driver.php */ diff --git a/system/database/drivers/oci8/oci8_forge.php b/system/database/drivers/oci8/oci8_forge.php index 033e618e7..bd265b6e0 100644 --- a/system/database/drivers/oci8/oci8_forge.php +++ b/system/database/drivers/oci8/oci8_forge.php @@ -34,33 +34,9 @@ */ class CI_DB_oci8_forge extends CI_DB_forge { - /** - * Create database - * - * @param string the database name - * @return bool - */ - public function _create_database($name) - { - // Not supported - schemas in Oracle are actual usernames - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Drop database - * - * @param string the database name - * @return bool - */ - public function _drop_database($name) - { - // Not supported - schemas in Oracle are actual usernames - return FALSE; - } - - // -------------------------------------------------------------------- + protected $_create_database = FALSE; + protected $_drop_database = FALSE; + protected $_drop_table = 'DROP TABLE %s'; /** * Create Table @@ -72,7 +48,7 @@ class CI_DB_oci8_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return string */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -140,18 +116,6 @@ class CI_DB_oci8_forge extends CI_DB_forge { // -------------------------------------------------------------------- /** - * Drop Table - * - * @return string - */ - public function _drop_table($table) - { - return 'DROP TABLE '.$this->db->protect_identifiers($table); - } - - // -------------------------------------------------------------------- - - /** * Alter table query * * Generates a platform-specific query so that a table can be altered @@ -166,7 +130,7 @@ class CI_DB_oci8_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + protected function _alter_table($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); @@ -183,22 +147,6 @@ class CI_DB_oci8_forge extends CI_DB_forge { } - // -------------------------------------------------------------------- - - /** - * 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 - */ - public 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 oci8_forge.php */ diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php index aad24cfd9..7b05e0a43 100644 --- a/system/database/drivers/oci8/oci8_result.php +++ b/system/database/drivers/oci8/oci8_result.php @@ -244,8 +244,6 @@ class CI_DB_oci8_result extends CI_DB_result { $this->row_data[$row_index++] = $row; } - // Un-comment the following line, in case it becomes needed - // $this->_data_seek(); return $this->result_array = $this->row_data; } @@ -299,8 +297,6 @@ class CI_DB_oci8_result extends CI_DB_result { $this->result_object[$row_index++] = $row; } - // Un-comment the following line, in case it becomes needed - // $this->_data_seek(); return $this->result_object; } diff --git a/system/database/drivers/oci8/oci8_utility.php b/system/database/drivers/oci8/oci8_utility.php index efb4bca02..0183eda26 100644 --- a/system/database/drivers/oci8/oci8_utility.php +++ b/system/database/drivers/oci8/oci8_utility.php @@ -34,50 +34,7 @@ */ class CI_DB_oci8_utility extends CI_DB_utility { - /** - * List databases - * - * Generates a platform-specific query so that we get a list of schemas - * Those are actually usernames in Oracle. - * - * @return string - */ - public function _list_databases() - { - return 'SELECT username FROM dba_users'; - } - - // -------------------------------------------------------------------- - - /** - * Optimize table query - * - * Generates a platform-specific query so that a table can be optimized - * - * @param string the table name - * @return bool - */ - public function _optimize_table($table) - { - return FALSE; // Not supported in Oracle - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * Generates a platform-specific query so that a table can be repaired - * - * @param string the table name - * @return bool - */ - public function _repair_table($table) - { - return FALSE; // Not supported in Oracle - } - - // -------------------------------------------------------------------- + protected $_list_databases = 'SELECT username FROM dba_users'; // Schemas are actual usernames /** * Oracle Export @@ -85,7 +42,7 @@ class CI_DB_oci8_utility extends CI_DB_utility { * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index d1a5f774b..e36f2d233 100644 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -29,7 +29,7 @@ * ODBC Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -382,39 +382,6 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($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.$limit; - } - - // -------------------------------------------------------------------- - - /** * Limit string * * Generates a platform-specific LIMIT clause @@ -446,4 +413,4 @@ class CI_DB_odbc_driver extends CI_DB { } /* End of file odbc_driver.php */ -/* Location: ./system/database/drivers/odbc/odbc_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/odbc/odbc_driver.php */ diff --git a/system/database/drivers/odbc/odbc_forge.php b/system/database/drivers/odbc/odbc_forge.php index afdd6dec2..d59b8a911 100644 --- a/system/database/drivers/odbc/odbc_forge.php +++ b/system/database/drivers/odbc/odbc_forge.php @@ -34,43 +34,8 @@ */ class CI_DB_odbc_forge extends CI_DB_forge { - /** - * Create database - * - * @param string the database name - * @return bool - */ - public function _create_database() - { - // ODBC has no "create database" command since it's - // designed to connect to an existing database - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Drop database - * - * @param string the database name - * @return bool - */ - public function _drop_database($name) - { - // ODBC has no "drop database" command since it's - // designed to connect to an existing database - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- + protected $_drop_database = 'DROP DATABASE %s'; + protected $_drop_table = 'DROP TABLE %s'; /** * Create Table @@ -82,7 +47,7 @@ class CI_DB_odbc_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -179,23 +144,6 @@ class CI_DB_odbc_forge extends CI_DB_forge { // -------------------------------------------------------------------- /** - * Drop Table - * - * @return bool - */ - public function _drop_table($table) - { - // Not a supported ODBC feature - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- - - /** * Alter table query * * Generates a platform-specific query so that a table can be altered @@ -210,7 +158,7 @@ class CI_DB_odbc_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + protected function _alter_table($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); @@ -245,23 +193,6 @@ class CI_DB_odbc_forge extends CI_DB_forge { } - - // -------------------------------------------------------------------- - - /** - * 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 - */ - public function _rename_table($table_name, $new_table_name) - { - return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); - } - } /* End of file odbc_forge.php */ diff --git a/system/database/drivers/odbc/odbc_result.php b/system/database/drivers/odbc/odbc_result.php index 30cc979ce..ecba5977e 100644 --- a/system/database/drivers/odbc/odbc_result.php +++ b/system/database/drivers/odbc/odbc_result.php @@ -140,22 +140,6 @@ class CI_DB_odbc_result extends CI_DB_result { // -------------------------------------------------------------------- /** - * Data Seek - * - * Moves the internal pointer to the desired offset. We call - * this internally before fetching results to make sure the - * result set starts at zero - * - * @return bool - */ - protected function _data_seek($n = 0) - { - return FALSE; - } - - // -------------------------------------------------------------------- - - /** * Result - associative array * * Returns the result set as an array diff --git a/system/database/drivers/odbc/odbc_utility.php b/system/database/drivers/odbc/odbc_utility.php index 65445e96c..224d48d2b 100644 --- a/system/database/drivers/odbc/odbc_utility.php +++ b/system/database/drivers/odbc/odbc_utility.php @@ -34,62 +34,7 @@ */ class CI_DB_odbc_utility extends CI_DB_utility { - /** - * List databases - * - * @return bool - */ - public function _list_databases() - { - // Not sure if ODBC lets you list all databases... - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Optimize table query - * - * Generates a platform-specific query so that a table can be optimized - * - * @param string the table name - * @return bool - */ - public function _optimize_table($table) - { - // Not a supported ODBC feature - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * Generates a platform-specific query so that a table can be repaired - * - * @param string the table name - * @return bool - */ - public function _repair_table($table) - { - // Not a supported ODBC feature - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- + protected $_list_databases = FALSE; /** * ODBC Export @@ -97,7 +42,7 @@ class CI_DB_odbc_utility extends CI_DB_utility { * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 919bb9c00..89e69676d 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -29,7 +29,7 @@ * PDO Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -183,6 +183,8 @@ class CI_DB_pdo_driver extends CI_DB { } } + // -------------------------------------------------------------------- + /** * Non-persistent database connection * @@ -190,9 +192,7 @@ class CI_DB_pdo_driver extends CI_DB { */ public function db_connect() { - $this->options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_SILENT; - - return $this->pdo_connect(); + return $this->_pdo_connect(); } // -------------------------------------------------------------------- @@ -204,10 +204,7 @@ class CI_DB_pdo_driver extends CI_DB { */ public function db_pconnect() { - $this->options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_SILENT; - $this->options[PDO::ATTR_PERSISTENT] = TRUE; - - return $this->pdo_connect(); + return $this->_pdo_connect(TRUE); } // -------------------------------------------------------------------- @@ -215,20 +212,29 @@ class CI_DB_pdo_driver extends CI_DB { /** * PDO connection * + * @param bool * @return object */ - public function pdo_connect() + protected function _pdo_connect($persistent = FALSE) { - // Refer : http://php.net/manual/en/ref.pdo-mysql.connection.php - if ($this->pdodriver === 'mysql' && ! is_php('5.3.6')) + $this->options[PDO::ATTR_ERRMODE] = PDO::ERRMODE_SILENT; + $persistent === FALSE OR $this->options[PDO::ATTR_PERSISTENT] = TRUE; + + /* Prior to PHP 5.3.6, even if the charset was supplied in the DSN + * on connect - it was ignored. This is a work-around for the issue. + * + * Reference: http://www.php.net/manual/en/ref.pdo-mysql.connection.php + */ + if ($this->pdodriver === 'mysql' && ! is_php('5.3.6') && ! empty($this->char_set)) { - $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] = "SET NAMES $this->char_set COLLATE '$this->dbcollat'"; + $this->options[PDO::MYSQL_ATTR_INIT_COMMAND] = 'SET NAMES '.$this->char_set + .( ! empty($this->db_collat) ? " COLLATE '".$this->dbcollat."'" : ''); } // Connecting... try { - $db = new PDO($this->dsn, $this->username, $this->password, $this->options); + return new PDO($this->dsn, $this->username, $this->password, $this->options); } catch (PDOException $e) { @@ -239,8 +245,6 @@ class CI_DB_pdo_driver extends CI_DB { return FALSE; } - - return $db; } // -------------------------------------------------------------------- @@ -267,18 +271,7 @@ class CI_DB_pdo_driver extends CI_DB { */ protected function _execute($sql) { - $result_id = $this->conn_id->query($sql); - - if (is_object($result_id)) - { - $this->affect_rows = $result_id->rowCount(); - } - else - { - $this->affect_rows = 0; - } - - return $result_id; + return $this->conn_id->query($sql); } // -------------------------------------------------------------------- @@ -290,13 +283,8 @@ class CI_DB_pdo_driver extends CI_DB { */ 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; } @@ -304,7 +292,7 @@ class CI_DB_pdo_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. - $this->_trans_failure = (bool) ($test_mode === TRUE); + $this->_trans_failure = ($test_mode === TRUE); return $this->conn_id->beginTransaction(); } @@ -318,20 +306,13 @@ class CI_DB_pdo_driver extends CI_DB { */ 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; } - $ret = $this->conn->commit(); - - return $ret; + return $this->conn_id->commit(); } // -------------------------------------------------------------------- @@ -343,20 +324,13 @@ class CI_DB_pdo_driver extends CI_DB { */ 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; } - $ret = $this->conn_id->rollBack(); - - return $ret; + return $this->conn_id->rollBack(); } // -------------------------------------------------------------------- @@ -380,10 +354,10 @@ class CI_DB_pdo_driver extends CI_DB { return $str; } - //Escape the string + // Escape the string $str = $this->conn_id->quote($str); - //If there are duplicated quotes, trim them away + // If there are duplicated quotes, trim them away if (strpos($str, "'") === 0) { $str = substr($str, 1, -1); @@ -409,7 +383,7 @@ class CI_DB_pdo_driver extends CI_DB { */ public function affected_rows() { - return $this->affect_rows; + return is_object($this->result_id) ? $this->result_id->rowCount() : 0; } // -------------------------------------------------------------------- @@ -417,6 +391,7 @@ class CI_DB_pdo_driver extends CI_DB { /** * Insert ID * + * @param string * @return int */ public function insert_id($name = NULL) @@ -666,40 +641,6 @@ class CI_DB_pdo_driver extends CI_DB { // -------------------------------------------------------------------- /** - * 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.$limit; - } - - // -------------------------------------------------------------------- - - /** * Limit string * * Generates a platform-specific LIMIT clause @@ -731,15 +672,15 @@ class CI_DB_pdo_driver extends CI_DB { /** * Close DB Connection * - * @param resource + * @param object * @return void */ protected function _close($conn_id) { - $this->conn_id = null; + $this->conn_id = NULL; } } /* End of file pdo_driver.php */ -/* Location: ./system/database/drivers/pdo/pdo_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/pdo/pdo_driver.php */ diff --git a/system/database/drivers/pdo/pdo_forge.php b/system/database/drivers/pdo/pdo_forge.php index 9635e4c9a..ca8657a0f 100644 --- a/system/database/drivers/pdo/pdo_forge.php +++ b/system/database/drivers/pdo/pdo_forge.php @@ -34,43 +34,8 @@ */ class CI_DB_pdo_forge extends CI_DB_forge { - /** - * Create database - * - * @param string the database name - * @return bool - */ - public function _create_database() - { - // PDO has no "create database" command since it's - // designed to connect to an existing database - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Drop database - * - * @param string the database name - * @return bool - */ - public function _drop_database($name) - { - // PDO has no "drop database" command since it's - // designed to connect to an existing database - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- + protected $_drop_database = 'DROP DATABASE %s'; + protected $_drop_table = 'DROP TABLE %s'; /** * Create Table @@ -82,7 +47,7 @@ class CI_DB_pdo_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -184,23 +149,6 @@ class CI_DB_pdo_forge extends CI_DB_forge { // -------------------------------------------------------------------- /** - * Drop Table - * - * @return bool - */ - public function _drop_table($table) - { - // Not a supported PDO feature - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- - - /** * Alter table query * * Generates a platform-specific query so that a table can be altered @@ -215,7 +163,7 @@ class CI_DB_pdo_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + protected function _alter_table($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); @@ -250,23 +198,6 @@ class CI_DB_pdo_forge extends CI_DB_forge { } - - // -------------------------------------------------------------------- - - /** - * 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 - */ - public 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 pdo_forge.php */ diff --git a/system/database/drivers/pdo/pdo_result.php b/system/database/drivers/pdo/pdo_result.php index 5bbd85d75..19aee1dfc 100644 --- a/system/database/drivers/pdo/pdo_result.php +++ b/system/database/drivers/pdo/pdo_result.php @@ -92,7 +92,6 @@ class CI_DB_pdo_result extends CI_DB_result { $res_handler = 'result_'.$type; $this->$res_handler = array(); - $this->_data_seek(0); while ($row = $this->$res_method()) { @@ -228,22 +227,6 @@ class CI_DB_pdo_result extends CI_DB_result { // -------------------------------------------------------------------- /** - * 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 bool - */ - protected function _data_seek($n = 0) - { - return FALSE; - } - - // -------------------------------------------------------------------- - - /** * Result - associative array * * Returns the result set as an array diff --git a/system/database/drivers/pdo/pdo_utility.php b/system/database/drivers/pdo/pdo_utility.php index 86c798397..930842118 100644 --- a/system/database/drivers/pdo/pdo_utility.php +++ b/system/database/drivers/pdo/pdo_utility.php @@ -34,62 +34,7 @@ */ class CI_DB_pdo_utility extends CI_DB_utility { - /** - * List databases - * - * @return bool - */ - public function _list_databases() - { - // Not sure if PDO lets you list all databases... - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Optimize table query - * - * Generates a platform-specific query so that a table can be optimized - * - * @param string the table name - * @return bool - */ - public function _optimize_table($table) - { - // Not a supported PDO feature - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * Generates a platform-specific query so that a table can be repaired - * - * @param string the table name - * @return bool - */ - public function _repair_table($table) - { - // Not a supported PDO feature - if ($this->db->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - return FALSE; - } - - // -------------------------------------------------------------------- + protected $_list_databases = FALSE; /** * PDO Export @@ -97,7 +42,7 @@ class CI_DB_pdo_utility extends CI_DB_utility { * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 1e96452b4..84bf768ee 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -29,7 +29,7 @@ * Postgre Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -164,8 +164,8 @@ class CI_DB_postgre_driver extends CI_DB { /** * Set client character set * - * @param string - * @return bool + * @param string + * @return bool */ protected function _db_set_charset($charset) { @@ -219,6 +219,7 @@ class CI_DB_postgre_driver extends CI_DB { /** * Begin Transaction * + * @param bool * @return bool */ public function trans_begin($test_mode = FALSE) @@ -234,7 +235,7 @@ class CI_DB_postgre_driver extends CI_DB { // even if the queries produce a successful result. $this->_trans_failure = ($test_mode === TRUE); - return @pg_query($this->conn_id, 'BEGIN'); + return (bool) @pg_query($this->conn_id, 'BEGIN'); } // -------------------------------------------------------------------- @@ -252,7 +253,7 @@ class CI_DB_postgre_driver extends CI_DB { return TRUE; } - return @pg_query($this->conn_id, 'COMMIT'); + return (bool) @pg_query($this->conn_id, 'COMMIT'); } // -------------------------------------------------------------------- @@ -270,7 +271,7 @@ class CI_DB_postgre_driver extends CI_DB { return TRUE; } - return @pg_query($this->conn_id, 'ROLLBACK'); + return (bool) @pg_query($this->conn_id, 'ROLLBACK'); } // -------------------------------------------------------------------- @@ -328,34 +329,41 @@ class CI_DB_postgre_driver extends CI_DB { */ public function insert_id() { - $v = $this->version(); + $v = pg_version($this->conn_id); + $v = isset($v['server']) ? $v['server'] : 0; // 'server' key is only available since PosgreSQL 7.4 - $table = func_num_args() > 0 ? func_get_arg(0) : NULL; - $column = func_num_args() > 1 ? func_get_arg(1) : NULL; + $table = (func_num_args() > 0) ? func_get_arg(0) : NULL; + $column = (func_num_args() > 1) ? func_get_arg(1) : NULL; if ($table == NULL && $v >= '8.1') { - $sql='SELECT LASTVAL() as ins_id'; - } - elseif ($table != NULL && $column != NULL && $v >= '8.0') - { - $sql = sprintf("SELECT pg_get_serial_sequence('%s','%s') as seq", $table, $column); - $query = $this->query($sql); - $row = $query->row(); - $sql = sprintf("SELECT CURRVAL('%s') as ins_id", $row->seq); + $sql = 'SELECT LASTVAL() AS ins_id'; } elseif ($table != NULL) { - // seq_name passed in table parameter - $sql = sprintf("SELECT CURRVAL('%s') as ins_id", $table); + if ($column != NULL && $v >= '8.0') + { + $sql = 'SELECT pg_get_serial_sequence(\''.$table."', '".$column."') AS seq"; + $query = $this->query($sql); + $query = $query->row(); + $seq = $query->seq; + } + else + { + // seq_name passed in table parameter + $seq = $table; + } + + $sql = 'SELECT CURRVAL(\''.$seq."') AS ins_id"; } else { return pg_last_oid($this->result_id); } + $query = $this->query($sql); - $row = $query->row(); - return $row->ins_id; + $query = $query->row(); + return (int) $query->ins_id; } // -------------------------------------------------------------------- @@ -382,9 +390,9 @@ class CI_DB_postgre_driver extends CI_DB { return 0; } - $row = $query->row(); + $query = $query->row(); $this->_reset_select(); - return (int) $row->numrows; + return (int) $query->numrows; } // -------------------------------------------------------------------- @@ -401,9 +409,9 @@ class CI_DB_postgre_driver extends CI_DB { { $sql = "SELECT table_name FROM information_schema.tables WHERE table_schema = 'public'"; - if ($prefix_limit !== FALSE AND $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix != '') { - $sql .= " AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); + return $sql." AND table_name LIKE '".$this->escape_like_str($this->dbprefix)."%' ".sprintf($this->_like_escape_str, $this->_like_escape_chr); } return $sql; @@ -421,7 +429,7 @@ class CI_DB_postgre_driver extends CI_DB { */ protected function _list_columns($table = '') { - return "SELECT column_name FROM information_schema.columns WHERE table_name ='".$table."'"; + return "SELECT column_name FROM information_schema.columns WHERE table_name = '".$table."'"; } // -------------------------------------------------------------------- @@ -432,11 +440,11 @@ class CI_DB_postgre_driver extends CI_DB { * Generates a platform-specific query so that the column data can be retrieved * * @param string the table name - * @return object + * @return string */ protected function _field_data($table) { - return "SELECT * FROM ".$table." LIMIT 1"; + return 'SELECT * FROM '.$table.' LIMIT 1'; } // -------------------------------------------------------------------- @@ -485,22 +493,26 @@ class CI_DB_postgre_driver extends CI_DB { * @param string the table name * @param array the update data * @param array the where clause - * @param array the orderby clause - * @param array the limit clause + * @param array the orderby clause (ignored) + * @param array the limit clause (ignored) + * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE) + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) { foreach ($values as $key => $val) { - $valstr[] = $key." = ".$val; + $valstr[] = $key.' = '.$val; } - $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); + $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); - $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; + if ( ! empty($like)) + { + $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); + } - return $sql; + return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where; } // -------------------------------------------------------------------- @@ -512,29 +524,22 @@ class CI_DB_postgre_driver extends CI_DB { * * @param string the table name * @param array the where clause - * @param string the limit clause + * @param array the like clause + * @param string the limit clause (ignored) * @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); + $conditions = array(); - if (count($where) > 0 && count($like) > 0) - { - $conditions .= " AND "; - } - $conditions .= implode("\n", $like); - } + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); - return "DELETE FROM ".$table.$conditions; + return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : ''); } // -------------------------------------------------------------------- + /** * Limit string * @@ -547,14 +552,7 @@ class CI_DB_postgre_driver extends CI_DB { */ protected function _limit($sql, $limit, $offset) { - $sql .= "LIMIT ".$limit; - - if ($offset > 0) - { - $sql .= " OFFSET ".$offset; - } - - return $sql; + return $sql.' LIMIT '.$limit.($offset == 0 ? '' : ' OFFSET '.$offset); } // -------------------------------------------------------------------- @@ -573,4 +571,4 @@ 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 f7d59284a..94c97af50 100644 --- a/system/database/drivers/postgre/postgre_forge.php +++ b/system/database/drivers/postgre/postgre_forge.php @@ -34,31 +34,7 @@ */ class CI_DB_postgre_forge extends CI_DB_forge { - /** - * Create database - * - * @param string the database name - * @return bool - */ - public function _create_database($name) - { - return "CREATE DATABASE ".$name; - } - - // -------------------------------------------------------------------- - - /** - * Drop database - * - * @param string the database name - * @return bool - */ - public function _drop_database($name) - { - return "DROP DATABASE ".$name; - } - - // -------------------------------------------------------------------- + protected $_drop_table = 'DROP TABLE IF EXISTS %s CASCADE'; /** * Process Fields @@ -66,7 +42,7 @@ class CI_DB_postgre_forge extends CI_DB_forge { * @param mixed the fields * @return string */ - protected function _process_fields($fields, $primary_keys=array()) + protected function _process_fields($fields, $primary_keys = array()) { $sql = ''; $current_field_count = 0; @@ -78,15 +54,14 @@ class CI_DB_postgre_forge extends CI_DB_forge { // entered the field information, so we'll simply add it to the list if (is_numeric($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); - $is_unsigned = (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE); + $attributes = array_change_key_case($attributes, CASE_UPPER); + $is_unsigned = ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE); // Convert datatypes to be PostgreSQL-compatible switch (strtoupper($attributes['TYPE'])) @@ -118,44 +93,24 @@ class CI_DB_postgre_forge extends CI_DB_forge { case 'BLOB': $attributes['TYPE'] = 'BYTEA'; break; + default: + break; } // If this is an auto-incrementing primary key, use the serial data type instead - if (in_array($field, $primary_keys) && array_key_exists('AUTO_INCREMENT', $attributes) - && $attributes['AUTO_INCREMENT'] === TRUE) - { - $sql .= ' SERIAL'; - } - else - { - $sql .= ' '.$attributes['TYPE']; - } + $sql .= (in_array($field, $primary_keys) && ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) + ? ' SERIAL' : ' '.$attributes['TYPE']; // Modified to prevent constraints with integer data types - if (array_key_exists('CONSTRAINT', $attributes) && strpos($attributes['TYPE'], 'INT') === false) + if ( ! empty($attributes['CONSTRAINT']) && strpos($attributes['TYPE'], 'INT') === FALSE) { $sql .= '('.$attributes['CONSTRAINT'].')'; } - 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'; - } - - // Added new attribute to create unqite fields. Also works with MySQL - if (array_key_exists('UNIQUE', $attributes) && $attributes['UNIQUE'] === TRUE) - { - $sql .= ' UNIQUE'; - } + $sql .= (isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '') + .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') + // Added new attribute to create unqite fields. Also works with MySQL + .(( ! empty($attributes['UNIQUE']) && $attributes['UNIQUE'] === TRUE) ? ' UNIQUE' : ''); } // don't add a comma on the end of the last field @@ -180,7 +135,7 @@ class CI_DB_postgre_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -203,7 +158,7 @@ class CI_DB_postgre_forge extends CI_DB_forge { $primary_keys[$index] = $this->db->protect_identifiers($key); } - $sql .= ",\n\tPRIMARY KEY (" . implode(', ', $primary_keys) . ")"; + $sql .= ",\n\tPRIMARY KEY (".implode(', ', $primary_keys).')'; } $sql .= "\n);"; @@ -223,7 +178,7 @@ class CI_DB_postgre_forge extends CI_DB_forge { foreach ($key as $field) { - $sql .= "CREATE INDEX " . $table . "_" . str_replace(array('"', "'"), '', $field) . "_index ON $table ($field); "; + $sql .= 'CREATE INDEX '.$table.'_'.str_replace(array('"', "'"), '', $field).'_index ON '.$table.' ('.$field.'); '; } } } @@ -234,19 +189,6 @@ class CI_DB_postgre_forge extends CI_DB_forge { // -------------------------------------------------------------------- /** - * Drop Table - * - * @param string table name - * @return string - */ - public function _drop_table($table) - { - return 'DROP TABLE IF EXISTS '.$this->db->escape_identifiers($table).' CASCADE'; - } - - // -------------------------------------------------------------------- - - /** * Alter table query * * Generates a platform-specific query so that a table can be altered @@ -257,45 +199,24 @@ class CI_DB_postgre_forge extends CI_DB_forge { * @param string the table name * @param string the column definition * @param string the default value - * @param boolean should 'NOT NULL' be added + * @param bool should 'NOT NULL' be added * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $fields, $after_field = '') + protected function _alter_table($alter_type, $table, $fields, $after_field = '') { $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '; // DROP has everything it needs now. - if ($alter_type == 'DROP') + if ($alter_type === 'DROP') { return $sql.$this->db->protect_identifiers($fields); } - $sql .= $this->_process_fields($fields); - - if ($after_field != '') - { - return $sql.' AFTER '.$this->db->protect_identifiers($after_field); - } - - return $sql; + return $sql.$this->_process_fields($fields) + .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } - // -------------------------------------------------------------------- - - /** - * 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 - */ - public function _rename_table($table_name, $new_table_name) - { - return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); - } } /* End of file postgre_forge.php */ diff --git a/system/database/drivers/postgre/postgre_result.php b/system/database/drivers/postgre/postgre_result.php index 394b8b6fd..f913bc9eb 100644 --- a/system/database/drivers/postgre/postgre_result.php +++ b/system/database/drivers/postgre/postgre_result.php @@ -128,7 +128,7 @@ class CI_DB_postgre_result extends CI_DB_result { * this internally before fetching results to make sure the * result set starts at zero * - * @return array + * @return bool */ protected function _data_seek($n = 0) { diff --git a/system/database/drivers/postgre/postgre_utility.php b/system/database/drivers/postgre/postgre_utility.php index cf29201ff..c95e6df0c 100644 --- a/system/database/drivers/postgre/postgre_utility.php +++ b/system/database/drivers/postgre/postgre_utility.php @@ -34,43 +34,8 @@ */ class CI_DB_postgre_utility extends CI_DB_utility { - /** - * List databases - * - * @return string - */ - public function _list_databases() - { - return 'SELECT datname FROM pg_database'; - } - - // -------------------------------------------------------------------- - - /** - * Optimize table query - * - * @param string the table name - * @return string - */ - public function _optimize_table($table) - { - return 'REINDEX TABLE '.$this->db->protect_identifiers($table); - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * @param string the table name - * @return bool - */ - public function _repair_table($table) - { - return FALSE; - } - - // -------------------------------------------------------------------- + protected $_list_databases = 'SELECT datname FROM pg_database'; + protected $_optimize_table = 'REINDEX TABLE %s'; /** * Postgre Export @@ -78,7 +43,7 @@ class CI_DB_postgre_utility extends CI_DB_utility { * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index 7936b6114..983b5fa58 100644 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -29,7 +29,7 @@ * SQLite Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -410,36 +410,6 @@ class CI_DB_sqlite_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) - { - $conditions = ''; - - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE ".implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= ' AND '; - } - $conditions .= implode("\n", $like); - } - - return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); - } - - // -------------------------------------------------------------------- - - /** * Limit string * * Generates a platform-specific LIMIT clause diff --git a/system/database/drivers/sqlite/sqlite_forge.php b/system/database/drivers/sqlite/sqlite_forge.php index 70bb6a70b..ce8eac91e 100644 --- a/system/database/drivers/sqlite/sqlite_forge.php +++ b/system/database/drivers/sqlite/sqlite_forge.php @@ -40,7 +40,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge { * @param string the database name * @return bool */ - public function _create_database() + public function create_database($db_name = '') { // In SQLite, a database is created when you connect to the database. // We'll return TRUE so that an error isn't generated @@ -52,10 +52,10 @@ class CI_DB_sqlite_forge extends CI_DB_forge { /** * Drop database * - * @param string the database name + * @param string the database name (ignored) * @return bool */ - public function _drop_database($name) + public function drop_database($db_name = '') { if ( ! @file_exists($this->db->database) OR ! @unlink($this->db->database)) { @@ -77,7 +77,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -147,18 +147,6 @@ class CI_DB_sqlite_forge extends CI_DB_forge { // -------------------------------------------------------------------- /** - * Drop Table - * - * @return string - */ - public function _drop_table($table) - { - return 'DROP TABLE '.$table.' IF EXISTS'; - } - - // -------------------------------------------------------------------- - - /** * Alter table query * * Generates a platform-specific query so that a table can be altered @@ -173,7 +161,7 @@ class CI_DB_sqlite_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') { /* SQLite only supports adding new columns and it does * NOT support the AFTER statement. Each new column will @@ -192,22 +180,6 @@ class CI_DB_sqlite_forge extends CI_DB_forge { .(($null !== NULL && $default_value !== 'NULL') ? ' NOT NULL' : ' NULL'); } - // -------------------------------------------------------------------- - - /** - * Rename a table - * - * Generates a platform-specific query so that a table can be renamed - * - * @param string the old table name - * @param string the new table name - * @return string - */ - public function _rename_table($table_name, $new_table_name) - { - return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); - } - } /* End of file sqlite_forge.php */ diff --git a/system/database/drivers/sqlite/sqlite_result.php b/system/database/drivers/sqlite/sqlite_result.php index 4af80abf7..741dc9d8d 100644 --- a/system/database/drivers/sqlite/sqlite_result.php +++ b/system/database/drivers/sqlite/sqlite_result.php @@ -112,7 +112,7 @@ class CI_DB_sqlite_result extends CI_DB_result { * this internally before fetching results to make sure the * result set starts at zero * - * @return array + * @return bool */ protected function _data_seek($n = 0) { diff --git a/system/database/drivers/sqlite/sqlite_utility.php b/system/database/drivers/sqlite/sqlite_utility.php index c07004c54..1bcb42d9f 100644 --- a/system/database/drivers/sqlite/sqlite_utility.php +++ b/system/database/drivers/sqlite/sqlite_utility.php @@ -34,50 +34,7 @@ */ 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 - * try reading a directory looking for SQLite files, but - * that doesn't seem like a terribly good idea - * - * @return bool - */ - public function _list_databases() - { - return ($this->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Optimize table query - * - * @param string the table name - * @return bool - */ - public function _optimize_table($table) - { - // Not supported - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * @param string the table name - * @return bool - */ - public function _repair_table($table) - { - // Not supported - return FALSE; - } - - // -------------------------------------------------------------------- + protected $_list_databases = FALSE; /** * SQLite Export @@ -85,7 +42,7 @@ class CI_DB_sqlite_utility extends CI_DB_utility { * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); diff --git a/system/database/drivers/sqlite3/sqlite3_driver.php b/system/database/drivers/sqlite3/sqlite3_driver.php index 12354e1bc..d22f6a442 100644 --- a/system/database/drivers/sqlite3/sqlite3_driver.php +++ b/system/database/drivers/sqlite3/sqlite3_driver.php @@ -29,7 +29,7 @@ * SQLite3 Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -398,35 +398,6 @@ class CI_DB_sqlite3_driver extends CI_DB { // -------------------------------------------------------------------- /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) - { - $conditions = ''; - if (count($where) > 0 OR count($like) > 0) - { - $conditions .= "\nWHERE ".implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= ' AND '; - } - $conditions .= implode("\n", $like); - } - - return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); - } - - // -------------------------------------------------------------------- - - /** * Limit string * * Generates a platform-specific LIMIT clause @@ -446,9 +417,10 @@ class CI_DB_sqlite3_driver extends CI_DB { /** * Close DB Connection * + * @param object (ignored) * @return void */ - protected function _close() + protected function _close($conn_id) { $this->conn_id->close(); } diff --git a/system/database/drivers/sqlite3/sqlite3_forge.php b/system/database/drivers/sqlite3/sqlite3_forge.php index 3a2060c3b..20f1e6f63 100644 --- a/system/database/drivers/sqlite3/sqlite3_forge.php +++ b/system/database/drivers/sqlite3/sqlite3_forge.php @@ -16,12 +16,12 @@ * through the world wide web, please send an email to * licensing@ellislab.com so we can send you a copy immediately. * - * @package CodeIgniter - * @author EllisLab Dev Team + * @package CodeIgniter + * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) - * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) - * @link http://codeigniter.com - * @since Version 1.0 + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 1.0 * @filesource */ @@ -40,7 +40,7 @@ class CI_DB_sqlite3_forge extends CI_DB_forge { * @param string the database name * @return bool */ - public function _create_database() + public function create_database($db_name = '') { // In SQLite, a database is created when you connect to the database. // We'll return TRUE so that an error isn't generated @@ -52,10 +52,10 @@ class CI_DB_sqlite3_forge extends CI_DB_forge { /** * Drop database * - * @param string the database name + * @param string the database name (ignored) * @return bool */ - public function _drop_database($name) + public function drop_database($db_name = '') { // In SQLite, a database is dropped when we delete a file if (@file_exists($this->db->database)) @@ -85,7 +85,7 @@ class CI_DB_sqlite3_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -156,19 +156,6 @@ class CI_DB_sqlite3_forge extends CI_DB_forge { // -------------------------------------------------------------------- /** - * Drop Table - * - * @param string the table name - * @return string - */ - public function _drop_table($table) - { - return 'DROP TABLE '.$table.' IF EXISTS'; - } - - // -------------------------------------------------------------------- - - /** * Alter table query * * Generates a platform-specific query so that a table can be altered @@ -183,7 +170,7 @@ class CI_DB_sqlite3_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + protected function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') { /* SQLite only supports adding new columns and it does * NOT support the AFTER statement. Each new column will @@ -202,21 +189,6 @@ class CI_DB_sqlite3_forge extends CI_DB_forge { .(($null !== NULL && $default_value !== 'NULL') ? ' NOT NULL' : ' NULL'); } - // -------------------------------------------------------------------- - - /** - * Rename a table - * - * Generates a platform-specific query so that a table can be renamed - * - * @param string the old table name - * @param string the new table name - * @return string - */ - public function _rename_table($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 sqlite3_forge.php */ diff --git a/system/database/drivers/sqlite3/sqlite3_result.php b/system/database/drivers/sqlite3/sqlite3_result.php index ddf59dbd0..d83d6b2cd 100644 --- a/system/database/drivers/sqlite3/sqlite3_result.php +++ b/system/database/drivers/sqlite3/sqlite3_result.php @@ -16,12 +16,12 @@ * 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 + * @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 1.0 + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 1.0 * @filesource */ @@ -198,8 +198,6 @@ class CI_DB_sqlite3_result extends CI_DB_result { $this->row_data[$row_index++] = $row; } - // Un-comment the following line, in case it becomes needed - // $this->_data_seek(); return $this->result_array = $this->row_data; } @@ -266,8 +264,6 @@ class CI_DB_sqlite3_result extends CI_DB_result { $this->num_rows = count($this->result_object); } - // Un-comment the following line, in case it becomes needed - // $this->_data_seek(); return $this->result_object; } diff --git a/system/database/drivers/sqlite3/sqlite3_utility.php b/system/database/drivers/sqlite3/sqlite3_utility.php index a4dc875e1..965c838e5 100644 --- a/system/database/drivers/sqlite3/sqlite3_utility.php +++ b/system/database/drivers/sqlite3/sqlite3_utility.php @@ -16,12 +16,12 @@ * through the world wide web, please send an email to * licensing@ellislab.com so we can send you a copy immediately. * - * @package CodeIgniter - * @author EllisLab Dev Team + * @package CodeIgniter + * @author EllisLab Dev Team * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/) - * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) - * @link http://codeigniter.com - * @since Version 1.0 + * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0) + * @link http://codeigniter.com + * @since Version 1.0 * @filesource */ @@ -34,56 +34,7 @@ */ class CI_DB_sqlite3_utility extends CI_DB_utility { - /** - * List databases - * - * @return bool - */ - public function _list_databases() - { - // Not supported - return FALSE; - - // Do we use this? - if ($this->db_debug) - { - return $this->db->display_error('db_unsuported_feature'); - } - } - - // -------------------------------------------------------------------- - - /** - * Optimize table query - * - * Is optimization even supported in SQLite? - * - * @param string the table name - * @return bool - */ - public function _optimize_table($table) - { - // Not supported - return FALSE; - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * Are table repairs even supported in SQLite? - * - * @param string the table name - * @return object - */ - public function _repair_table($table) - { - // Not supported - return FALSE; - } - - // -------------------------------------------------------------------- + protected $_list_databases = FALSE; /** * SQLite Export @@ -91,7 +42,7 @@ class CI_DB_sqlite3_utility extends CI_DB_utility { * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // Not supported return $this->db->display_error('db_unsuported_feature'); diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index f4eab8f28..8cc500f55 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -29,7 +29,7 @@ * SQLSRV Database Adapter Class * * Note: _DB is an extender class that the app controller - * creates dynamically based on whether the active record + * creates dynamically based on whether the query builder * class is being used or not. * * @package CodeIgniter @@ -421,18 +421,26 @@ class CI_DB_sqlsrv_driver extends CI_DB { * @param string the table name * @param array the update data * @param array the where clause - * @param array the orderby clause - * @param array the limit clause + * @param array the orderby clause (ignored) + * @param array the limit clause (ignored) + * @param array the like clause * @return string */ - protected function _update($table, $values, $where) + protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) { foreach($values as $key => $val) { - $valstr[] = $key." = ".$val; + $valstr[] = $key.' = '.$val; } - return 'UPDATE '.$table.' SET '.implode(', ', $valstr).' WHERE '.implode(' ', $where); + $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); + + if ( ! empty($like)) + { + $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); + } + + return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where; } // -------------------------------------------------------------------- @@ -462,12 +470,22 @@ class CI_DB_sqlsrv_driver extends CI_DB { * * @param string the table name * @param array the where clause + * @param array the like clause * @param string the limit clause * @return string */ - protected function _delete($table, $where) + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) { - return 'DELETE FROM '.$table.' WHERE '.implode(' ', $where); + $conditions = array(); + + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); + + $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : ''; + + return ($limit) + ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete' + : 'DELETE FROM '.$table.$conditions; } // -------------------------------------------------------------------- @@ -503,4 +521,4 @@ class CI_DB_sqlsrv_driver extends CI_DB { } /* End of file sqlsrv_driver.php */ -/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */
\ No newline at end of file +/* Location: ./system/database/drivers/sqlsrv/sqlsrv_driver.php */ diff --git a/system/database/drivers/sqlsrv/sqlsrv_forge.php b/system/database/drivers/sqlsrv/sqlsrv_forge.php index 377dcf154..e9143b269 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_forge.php +++ b/system/database/drivers/sqlsrv/sqlsrv_forge.php @@ -34,44 +34,7 @@ */ class CI_DB_sqlsrv_forge extends CI_DB_forge { - /** - * Create database - * - * @param string the database name - * @return string - */ - public function _create_database($name) - { - return "CREATE DATABASE ".$name; - } - - // -------------------------------------------------------------------- - - /** - * Drop database - * - * @param string the database name - * @return bool - */ - public function _drop_database($name) - { - return "DROP DATABASE ".$name; - } - - // -------------------------------------------------------------------- - - /** - * Drop Table - * - * @param string table name - * @return string - */ - public function _drop_table($table) - { - return 'DROP TABLE '.$this->db->escape_identifiers($table); - } - - // -------------------------------------------------------------------- + protected $_drop_table = 'DROP TABLE %s'; /** * Create Table @@ -83,7 +46,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + protected function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -194,7 +157,7 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { * @param string the field after which we should add the new field * @return string */ - public function _alter_table($alter_type, $table, $column_name, $column_definition = '', $default_value = '', $null = '', $after_field = '') + protected function _alter_table($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); @@ -229,23 +192,6 @@ class CI_DB_sqlsrv_forge extends CI_DB_forge { } - // -------------------------------------------------------------------- - - /** - * 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 - */ - public function _rename_table($table_name, $new_table_name) - { - // I think this syntax will work, but can find little documentation on renaming tables in MSSQL - return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); - } - } /* End of file sqlsrv_forge.php */ diff --git a/system/database/drivers/sqlsrv/sqlsrv_result.php b/system/database/drivers/sqlsrv/sqlsrv_result.php index 10d790e4b..0802677fc 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_result.php +++ b/system/database/drivers/sqlsrv/sqlsrv_result.php @@ -124,22 +124,6 @@ class CI_DB_sqlsrv_result extends CI_DB_result { // -------------------------------------------------------------------- /** - * Data Seek - * - * Moves the internal pointer to the desired offset. We call - * this internally before fetching results to make sure the - * result set starts at zero - * - * @return void - */ - protected function _data_seek($n = 0) - { - // Not implemented - } - - // -------------------------------------------------------------------- - - /** * Result - associative array * * Returns the result set as an array diff --git a/system/database/drivers/sqlsrv/sqlsrv_utility.php b/system/database/drivers/sqlsrv/sqlsrv_utility.php index 5830c62de..394964b6a 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_utility.php +++ b/system/database/drivers/sqlsrv/sqlsrv_utility.php @@ -34,55 +34,16 @@ */ class CI_DB_sqlsrv_utility extends CI_DB_utility { - /** - * List databases - * - * @return string - */ - public function _list_databases() - { - return "EXEC sp_helpdb"; // Can also be: EXEC sp_databases - } - - // -------------------------------------------------------------------- - - /** - * Optimize table query - * - * Generates a platform-specific query so that a table can be optimized - * - * @param string the table name - * @return bool - */ - public function _optimize_table($table) - { - return FALSE; // Is this supported in MS SQL? - } - - // -------------------------------------------------------------------- - - /** - * Repair table query - * - * Generates a platform-specific query so that a table can be repaired - * - * @param string the table name - * @return bool - */ - public function _repair_table($table) - { - return FALSE; // Is this supported in MS SQL? - } - - // -------------------------------------------------------------------- + protected $_list_databases = 'EXEC sp_helpdb'; // Can also be: EXEC sp_databases + protected $_optimize_table = 'ALTER INDEX all ON %s REORGANIZE'; /** - * MSSQL Export + * SQLSRV Export * * @param array Preferences * @return mixed */ - public function _backup($params = array()) + protected function _backup($params = array()) { // Currently unsupported return $this->db->display_error('db_unsuported_feature'); |