diff options
Diffstat (limited to 'system/database/drivers/mysql')
-rw-r--r-- | system/database/drivers/mysql/mysql_driver.php | 73 | ||||
-rw-r--r-- | system/database/drivers/mysql/mysql_forge.php | 40 | ||||
-rw-r--r-- | system/database/drivers/mysql/mysql_utility.php | 8 |
3 files changed, 43 insertions, 78 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index c2fccc1f7..8938d22b5 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 @@ -47,7 +47,7 @@ class CI_DB_mysql_driver extends CI_DB { // clause and character used for LIKE escape sequences - not used in MySQL protected $_like_escape_str = ''; - protected $_like_escape_chr = ''; + protected $_like_escape_chr = '\\'; /** * The syntax to count rows is slightly different across different @@ -68,7 +68,7 @@ class CI_DB_mysql_driver extends CI_DB { { parent::__construct($params); - if ($this->port != '') + if ( ! empty($this->port)) { $this->hostname .= ':'.$this->port; } @@ -291,7 +291,9 @@ class CI_DB_mysql_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - return str_replace(array('%', '_'), array('\\%', '\\_'), $str); + return str_replace(array($this->_like_escape_chr, '%', '_'), + array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'), + $str); } return $str; @@ -324,35 +326,6 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * "Count All" query - * - * Generates a platform-specific query string that counts all records in - * the specified database - * - * @param string - * @return string - */ - public function count_all($table = '') - { - if ($table == '') - { - return 0; - } - - $query = $this->query($this->_count_string.$this->protect_identifiers('numrows').' FROM '.$this->protect_identifiers($table, TRUE, NULL, FALSE)); - if ($query->num_rows() == 0) - { - return 0; - } - - $query = $query->row(); - $this->_reset_select(); - return (int) $query->numrows; - } - - // -------------------------------------------------------------------- - - /** * List table query * * Generates a platform-specific query string so that the table names can be fetched @@ -364,7 +337,7 @@ class CI_DB_mysql_driver extends CI_DB { { $sql = 'SHOW TABLES FROM '.$this->_escape_char.$this->database.$this->_escape_char; - if ($prefix_limit !== FALSE && $this->dbprefix != '') + if ($prefix_limit !== FALSE && $this->dbprefix !== '') { return $sql." LIKE '".$this->escape_like_str($this->dbprefix)."%'"; } @@ -397,7 +370,7 @@ class CI_DB_mysql_driver extends CI_DB { */ public function field_data($table = '') { - if ($table == '') + if ($table === '') { return ($this->db_debug) ? $this->display_error('db_field_param_missing') : FALSE; } @@ -439,27 +412,6 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- /** - * From Tables - * - * This function implicitly groups FROM tables so there is no confusion - * about operator precedence in harmony with SQL standards - * - * @param string table name - * @return string - */ - protected function _from_tables($tables) - { - if ( ! is_array($tables)) - { - $tables = array($tables); - } - - return '('.implode(', ', $tables).')'; - } - - // -------------------------------------------------------------------- - - /** * Update_Batch statement * * Generates a platform-specific batch update string from the supplied data @@ -478,7 +430,7 @@ class CI_DB_mysql_driver extends CI_DB { foreach (array_keys($val) as $field) { - if ($field != $index) + if ($field !== $index) { $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; } @@ -494,7 +446,7 @@ class CI_DB_mysql_driver extends CI_DB { } return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) - .' WHERE '.(($where != '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') + .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') .$index.' IN('.implode(',', $ids).')'; } @@ -520,12 +472,11 @@ class CI_DB_mysql_driver extends CI_DB { /** * Close DB Connection * - * @param resource * @return void */ - protected function _close($conn_id) + protected function _close() { - @mysql_close($conn_id); + @mysql_close($this->conn_id); } } diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php index 0e39affa7..7656c289c 100644 --- a/system/database/drivers/mysql/mysql_forge.php +++ b/system/database/drivers/mysql/mysql_forge.php @@ -60,8 +60,9 @@ class CI_DB_mysql_forge extends CI_DB_forge { { $attributes = array_change_key_case($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->escape_identifiers($field); + + empty($attributes['NAME']) OR ' '.$this->db->escape_identifiers($attributes['NAME']).' '; if ( ! empty($attributes['TYPE'])) { @@ -86,10 +87,23 @@ class CI_DB_mysql_forge extends CI_DB_forge { } } - $sql .= (( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') - .(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '') - .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') - .(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : ''); + if ( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) + { + $sql .= ' UNSIGNED'; + } + + if (isset($attributes['DEFAULT'])) + { + $sql .= " DEFAULT '".$attributes['DEFAULT']."'"; + } + + $sql .= ( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) + ? ' NULL' : ' NOT NULL'; + + if ( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) + { + $sql .= ' AUTO_INCREMENT'; + } } // don't add a comma on the end of the last field @@ -123,11 +137,11 @@ class CI_DB_mysql_forge extends CI_DB_forge { $sql .= 'IF NOT EXISTS '; } - $sql .= $this->db->protect_identifiers($table).' ('.$this->_process_fields($fields); + $sql .= $this->db->escape_identifiers($table).' ('.$this->_process_fields($fields); if (count($primary_keys) > 0) { - $key_name = $this->db->protect_identifiers(implode('_', $primary_keys)); + $key_name = $this->db->escape_identifiers(implode('_', $primary_keys)); $sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->protect_identifiers($primary_keys)).')'; } @@ -137,12 +151,12 @@ class CI_DB_mysql_forge extends CI_DB_forge { { if (is_array($key)) { - $key_name = $this->db->protect_identifiers(implode('_', $key)); + $key_name = $this->db->escape_identifiers(implode('_', $key)); $key = $this->db->protect_identifiers($key); } else { - $key_name = $this->db->protect_identifiers($key); + $key_name = $this->db->escape_identifiers($key); $key = array($key_name); } @@ -169,16 +183,16 @@ class CI_DB_mysql_forge extends CI_DB_forge { */ protected function _alter_table($alter_type, $table, $fields, $after_field = '') { - $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '; + $sql = 'ALTER TABLE '.$this->db->escape_identifiers($table).' '.$alter_type.' '; // DROP has everything it needs now. if ($alter_type === 'DROP') { - return $sql.$this->db->protect_identifiers($fields); + return $sql.$this->db->escape_identifiers($fields); } return $sql.$this->_process_fields($fields) - .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); + .($after_field !== '' ? ' AFTER '.$this->db->escape_identifiers($after_field) : ''); } } diff --git a/system/database/drivers/mysql/mysql_utility.php b/system/database/drivers/mysql/mysql_utility.php index 642323dbd..643682fde 100644 --- a/system/database/drivers/mysql/mysql_utility.php +++ b/system/database/drivers/mysql/mysql_utility.php @@ -76,7 +76,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { // Write out the table schema $output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline; - if ($add_drop == TRUE) + if ($add_drop === TRUE) { $output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline; } @@ -92,7 +92,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { } // If inserts are not needed we're done... - if ($add_insert == FALSE) + if ($add_insert === FALSE) { continue; } @@ -100,7 +100,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { // Grab all the data from the current table $query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table)); - if ($query->num_rows() == 0) + if ($query->num_rows() === 0) { continue; } @@ -143,7 +143,7 @@ class CI_DB_mysql_utility extends CI_DB_utility { else { // Escape the data if it's not an integer - $val_str .= ($is_int[$i] == FALSE) ? $this->db->escape($v) : $v; + $val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v; } // Append a comma |