Improve the MySQLi database driver
diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php
index 590efa9..319c6fd 100644
--- a/system/database/drivers/mysqli/mysqli_forge.php
+++ b/system/database/drivers/mysqli/mysqli_forge.php
@@ -1,13 +1,13 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* NOTICE OF LICENSE
- *
+ *
* Licensed under the Open Software License version 3.0
- *
+ *
* This source file is subject to the Open Software License (OSL 3.0) that is
* bundled with this package in the files license.txt / license.rst. It is
* also available through the world wide web at this URL:
@@ -25,8 +25,6 @@
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* MySQLi Forge Class
*
@@ -39,13 +37,12 @@
/**
* Create database
*
- * @access private
* @param string the database name
- * @return bool
+ * @return string
*/
- function _create_database($name)
+ public function _create_database($name)
{
- return "CREATE DATABASE ".$name;
+ return 'CREATE DATABASE '.$name;
}
// --------------------------------------------------------------------
@@ -53,13 +50,12 @@
/**
* Drop database
*
- * @access private
* @param string the database name
- * @return bool
+ * @return string
*/
- function _drop_database($name)
+ public function _drop_database($name)
{
- return "DROP DATABASE ".$name;
+ return 'DROP DATABASE '.$name;
}
// --------------------------------------------------------------------
@@ -67,68 +63,35 @@
/**
* Process Fields
*
- * @access private
* @param mixed the fields
* @return string
*/
- function _process_fields($fields)
+ private function _process_fields($fields)
{
$current_field_count = 0;
$sql = '';
- foreach ($fields as $field=>$attributes)
+ foreach ($fields as $field => $attributes)
{
// Numeric field names aren't allowed in databases, so if the key is
// numeric, we know it was assigned by PHP and the developer manually
// entered the field information, so we'll simply add it to the list
if (is_numeric($field))
{
- $sql .= "\n\t$attributes";
+ $sql .= "\n\t".$attributes;
}
else
{
$attributes = array_change_key_case($attributes, CASE_UPPER);
- $sql .= "\n\t".$this->db->_protect_identifiers($field);
-
- if (array_key_exists('NAME', $attributes))
- {
- $sql .= ' '.$this->db->_protect_identifiers($attributes['NAME']).' ';
- }
-
- if (array_key_exists('TYPE', $attributes))
- {
- $sql .= ' '.$attributes['TYPE'];
- }
-
- if (array_key_exists('CONSTRAINT', $attributes))
- {
- $sql .= '('.$attributes['CONSTRAINT'].')';
- }
-
- if (array_key_exists('UNSIGNED', $attributes) && $attributes['UNSIGNED'] === TRUE)
- {
- $sql .= ' UNSIGNED';
- }
-
- if (array_key_exists('DEFAULT', $attributes))
- {
- $sql .= ' DEFAULT \''.$attributes['DEFAULT'].'\'';
- }
-
- if (array_key_exists('NULL', $attributes) && $attributes['NULL'] === TRUE)
- {
- $sql .= ' NULL';
- }
- else
- {
- $sql .= ' NOT NULL';
- }
-
- if (array_key_exists('AUTO_INCREMENT', $attributes) && $attributes['AUTO_INCREMENT'] === TRUE)
- {
- $sql .= ' AUTO_INCREMENT';
- }
+ $sql .= "\n\t".$this->db->protect_identifiers($field)
+ .( ! empty($attributes['NAME']) ? ' '.$this->db->protect_identifiers($attributes['NAME']).' ' : '')
+ .( ! empty($attributes['TYPE']) ? ' '.$attributes['TYPE'] : '')
+ .( ! empty($attributes['CONSTRAINT']) ? '('.$attributes['CONSTRAINT'].')' : '')
+ .(( ! empty($attributes['UNSIGNED']) && $attributes['UNSIGNED'] === TRUE) ? ' UNSIGNED' : '')
+ .(isset($attributes['DEFAULT']) ? " DEFAULT '".$attributes['DEFAULT']."'" : '')
+ .(( ! empty($attributes['NULL']) && $attributes['NULL'] === TRUE) ? ' NULL' : ' NOT NULL')
+ .(( ! empty($attributes['AUTO_INCREMENT']) && $attributes['AUTO_INCREMENT'] === TRUE) ? ' AUTO_INCREMENT' : '');
}
// don't add a comma on the end of the last field
@@ -146,15 +109,14 @@
/**
* Create Table
*
- * @access private
* @param string the table name
* @param mixed the fields
* @param mixed primary key(s)
* @param mixed key(s)
- * @param boolean should 'IF NOT EXISTS' be added to the SQL
+ * @param bool should 'IF NOT EXISTS' be added to the SQL
* @return bool
*/
- function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
+ public function _create_table($table, $fields, $primary_keys, $keys, $if_not_exists)
{
$sql = 'CREATE TABLE ';
@@ -163,15 +125,12 @@
$sql .= 'IF NOT EXISTS ';
}
- $sql .= $this->db->_escape_identifiers($table)." (";
-
- $sql .= $this->_process_fields($fields);
+ $sql .= $this->db->_escape_identifiers($table).' ('.$this->_process_fields($fields);
if (count($primary_keys) > 0)
{
- $key_name = $this->db->_protect_identifiers(implode('_', $primary_keys));
- $primary_keys = $this->db->_protect_identifiers($primary_keys);
- $sql .= ",\n\tPRIMARY KEY ".$key_name." (" . implode(', ', $primary_keys) . ")";
+ $key_name = $this->db->protect_identifiers(implode('_', $primary_keys));
+ $sql .= ",\n\tPRIMARY KEY ".$key_name.' ('.implode(', ', $this->db->protect_identifiers($primary_keys)).')';
}
if (is_array($keys) && count($keys) > 0)
@@ -180,22 +139,20 @@
{
if (is_array($key))
{
- $key_name = $this->db->_protect_identifiers(implode('_', $key));
- $key = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->protect_identifiers(implode('_', $key));
+ $key = $this->db->protect_identifiers($key);
}
else
{
- $key_name = $this->db->_protect_identifiers($key);
+ $key_name = $this->db->protect_identifiers($key);
$key = array($key_name);
}
- $sql .= ",\n\tKEY {$key_name} (" . implode(', ', $key) . ")";
+ $sql .= ",\n\tKEY ".$key_name.' ('.implode(', ', $key).')';
}
}
- $sql .= "\n) DEFAULT CHARACTER SET {$this->db->char_set} COLLATE {$this->db->dbcollat};";
-
- return $sql;
+ return $sql."\n) DEFAULT CHARACTER SET ".$this->db->char_set.' COLLATE '.$this->db->dbcollat.';';
}
// --------------------------------------------------------------------
@@ -203,12 +160,11 @@
/**
* Drop Table
*
- * @access private
* @return string
*/
- function _drop_table($table)
+ public function _drop_table($table)
{
- return "DROP TABLE IF EXISTS ".$this->db->_escape_identifiers($table);
+ return 'DROP TABLE IF EXISTS '.$this->db->_escape_identifiers($table);
}
// --------------------------------------------------------------------
@@ -219,31 +175,24 @@
* Generates a platform-specific query so that a table can be altered
* Called by add_column(), drop_column(), and column_alter(),
*
- * @access private
* @param string the ALTER type (ADD, DROP, CHANGE)
* @param string the column name
* @param array fields
* @param string the field after which we should add the new field
- * @return object
+ * @return string
*/
- function _alter_table($alter_type, $table, $fields, $after_field = '')
+ public function _alter_table($alter_type, $table, $fields, $after_field = '')
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table)." $alter_type ";
+ $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table).' '.$alter_type.' ';
// DROP has everything it needs now.
- if ($alter_type == 'DROP')
+ if ($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) : '');
}
// --------------------------------------------------------------------
@@ -253,18 +202,16 @@
*
* Generates a platform-specific query so that a table can be renamed
*
- * @access private
* @param string the old table name
* @param string the new table name
* @return string
*/
- function _rename_table($table_name, $new_table_name)
+ public function _rename_table($table_name, $new_table_name)
{
- $sql = 'ALTER TABLE '.$this->db->_protect_identifiers($table_name)." RENAME TO ".$this->db->_protect_identifiers($new_table_name);
- return $sql;
+ return 'ALTER TABLE '.$this->db->protect_identifiers($table_name).' RENAME TO '.$this->db->protect_identifiers($new_table_name);
}
}
/* End of file mysqli_forge.php */
-/* Location: ./system/database/drivers/mysqli/mysqli_forge.php */
\ No newline at end of file
+/* Location: ./system/database/drivers/mysqli/mysqli_forge.php */