diff options
Diffstat (limited to 'system/database/drivers/mysql/mysql_forge.php')
-rw-r--r-- | system/database/drivers/mysql/mysql_forge.php | 147 |
1 files changed, 57 insertions, 90 deletions
diff --git a/system/database/drivers/mysql/mysql_forge.php b/system/database/drivers/mysql/mysql_forge.php index c1cae136c..0f251b086 100644 --- a/system/database/drivers/mysql/mysql_forge.php +++ b/system/database/drivers/mysql/mysql_forge.php @@ -1,25 +1,35 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 5.1.6 or newer * + * NOTICE OF LICENSE + * + * Licensed under the Open Software License version 3.0 + * + * This source file is subject to the Open Software License (OSL 3.0) that is + * bundled with this package in the files license.txt / license.rst. It is + * also available through the world wide web at this URL: + * http://opensource.org/licenses/OSL-3.0 + * If you did not receive a copy of the license and are unable to obtain it + * through the world wide web, please send an email to + * licensing@ellislab.com so we can send you a copy immediately. + * * @package CodeIgniter - * @author ExpressionEngine Dev Team - * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html + * @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 * @filesource */ -// ------------------------------------------------------------------------ - /** * MySQL Forge Class * * @category Database - * @author ExpressionEngine Dev Team + * @author EllisLab Dev Team * @link http://codeigniter.com/user_guide/database/ */ class CI_DB_mysql_forge extends CI_DB_forge { @@ -27,13 +37,12 @@ class CI_DB_mysql_forge extends CI_DB_forge { /** * Create database * - * @access private * @param string the database name - * @return bool + * @return string */ - function _create_database($name) + public function _create_database($name) { - return "CREATE DATABASE ".$name; + return 'CREATE DATABASE '.$name; } // -------------------------------------------------------------------- @@ -41,13 +50,12 @@ class CI_DB_mysql_forge extends CI_DB_forge { /** * Drop database * - * @access private * @param string the database name - * @return bool + * @return string */ - function _drop_database($name) + public function _drop_database($name) { - return "DROP DATABASE ".$name; + return 'DROP DATABASE '.$name; } // -------------------------------------------------------------------- @@ -55,83 +63,57 @@ class CI_DB_mysql_forge extends CI_DB_forge { /** * Process Fields * - * @access private * @param mixed the fields * @return string */ - function _process_fields($fields) + private function _process_fields($fields) { $current_field_count = 0; $sql = ''; - foreach ($fields as $field=>$attributes) + foreach ($fields as $field => $attributes) { // Numeric field names aren't allowed in databases, so if the key is // numeric, we know it was assigned by PHP and the developer manually // entered the field information, so we'll simply add it to the list if (is_numeric($field)) { - $sql .= "\n\t$attributes"; + $sql .= "\n\t".$attributes; } else { $attributes = array_change_key_case($attributes, CASE_UPPER); - $sql .= "\n\t".$this->db->_protect_identifiers($field); + $sql .= "\n\t".$this->db->protect_identifiers($field) + .( ! empty($attributes['NAME']) ? ' '.$this->db->protect_identifiers($attributes['NAME']).' ' : ''); - 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 ($attributes['TYPE']) + switch (strtolower($attributes['TYPE'])) { case 'decimal': case 'float': case 'numeric': $sql .= '('.implode(',', $attributes['CONSTRAINT']).')'; - break; - + break; case 'enum': case 'set': $sql .= '("'.implode('","', $attributes['CONSTRAINT']).'")'; - break; - + break; default: $sql .= '('.$attributes['CONSTRAINT'].')'; } } } - if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE) - { - $sql .= ' UNSIGNED'; - } - - if (array_key_exists('DEFAULT', $attributes)) - { - $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\''; - } - - if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE) - { - $sql .= ' NULL'; - } - else - { - $sql .= ' NOT NULL'; - } - - if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE) - { - $sql .= ' AUTO_INCREMENT'; - } + $sql .= (( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '') + .(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '') + .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL') + .(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : ''); } // don't add a comma on the end of the last field @@ -149,15 +131,14 @@ class CI_DB_mysql_forge extends CI_DB_forge { /** * Create Table * - * @access private * @param string the table name * @param mixed the fields * @param mixed primary key(s) * @param mixed key(s) - * @param boolean should 'IF NOT EXISTS' be added to the SQL + * @param bool should 'IF NOT EXISTS' be added to the SQL * @return bool */ - function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) + public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists) { $sql = 'CREATE TABLE '; @@ -166,15 +147,12 @@ class CI_DB_mysql_forge extends CI_DB_forge { $sql .= 'IF NOT EXISTS '; } - $sql .= $this->db->_escape_identifiers($table)." ("; - - $sql .= $this->_process_fields($fields); + $sql .= $this->db->protect_identifiers($table).' ('.$this->_process_fields($fields); if (count($primary_keys) > 0) { $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys)); - $primary_keys = $this->db->_protect_identifiers($primary_keys); - $sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")"; + $sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->protect_identifiers($primary_keys)).')'; } if (is_array($keys) && count($keys) > 0) @@ -192,13 +170,11 @@ class CI_DB_mysql_forge extends CI_DB_forge { $key = array($key_name); } - $sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")"; + $sql .= ",\n\tKEY ".$key_name.' ('.implode(', ', $key).')'; } } - $sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};"; - - return $sql; + return $sql."\n) DEFAULT CHARACTER SET ".$this->db->char_set.' COLLATE '.$this->db->dbcollat.';'; } // -------------------------------------------------------------------- @@ -206,12 +182,12 @@ class CI_DB_mysql_forge extends CI_DB_forge { /** * Drop Table * - * @access private + * @param string table name * @return string */ - function _drop_table($table) + public function _drop_table($table) { - return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table); + return 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table); } // -------------------------------------------------------------------- @@ -220,33 +196,26 @@ class CI_DB_mysql_forge extends CI_DB_forge { * Alter table query * * Generates a platform-specific query so that a table can be altered - * Called by add_column(), drop_column(), and column_alter(), + * Called by add_column(), drop_column() and column_alter() * - * @access private * @param string the ALTER type (ADD, DROP, CHANGE) * @param string the column name * @param array fields * @param string the field after which we should add the new field - * @return object + * @return string */ - function _alter_table($alter_type, $table, $fields, $after_field = '') + public function _alter_table($alter_type, $table, $fields, $after_field = '') { - $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type "; + $sql = 'ALTER TABLE '.$this->db->protect_identifiers($table).' '.$alter_type.' '; // DROP has everything it needs now. - if ($alter_type == 'DROP') + if ($alter_type === 'DROP') { - return $sql.$this->db->_protect_identifiers($fields); + return $sql.$this->db->protect_identifiers($fields); } - $sql .= $this->_process_fields($fields); - - if ($after_field != '') - { - $sql .= ' AFTER ' . $this->db->_protect_identifiers($after_field); - } - - return $sql; + return $sql.$this->_process_fields($fields) + .($after_field != '' ? ' AFTER '.$this->db->protect_identifiers($after_field) : ''); } // -------------------------------------------------------------------- @@ -256,18 +225,16 @@ class CI_DB_mysql_forge extends CI_DB_forge { * * Generates a platform-specific query so that a table can be renamed * - * @access private * @param string the old table name * @param string the new table name * @return string */ - function _rename_table($table_name, $new_table_name) + public function _rename_table($table_name, $new_table_name) { - $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name); - return $sql; + return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name); } } /* End of file mysql_forge.php */ -/* Location: ./system/database/drivers/mysql/mysql_forge.php */
\ No newline at end of file +/* Location: ./system/database/drivers/mysql/mysql_forge.php */ |