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-rw-r--r--system/database/DB_forge.php71
1 files changed, 63 insertions, 8 deletions
diff --git a/system/database/DB_forge.php b/system/database/DB_forge.php
index 91f9d560c..f46237e25 100644
--- a/system/database/DB_forge.php
+++ b/system/database/DB_forge.php
@@ -1,4 +1,4 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php
/**
* CodeIgniter
*
@@ -24,6 +24,7 @@
* @since Version 1.0
* @filesource
*/
+defined('BASEPATH') OR exit('No direct script access allowed');
/**
* Database Forge Class
@@ -34,17 +35,71 @@
*/
abstract class CI_DB_forge {
+ /**
+ * Fields data
+ *
+ * @var array
+ */
public $fields = array();
+
+ /**
+ * Keys data
+ *
+ * @var array
+ */
public $keys = array();
+
+ /**
+ * Primary Keys data
+ *
+ * @var array
+ */
public $primary_keys = array();
- public $db_char_set = '';
- // Platform specific SQL strings
+ /**
+ * Database character set
+ *
+ * @var string
+ */
+ public $db_char_set = '';
+
+ // --------------------------------------------------------------------
+
+ /**
+ * CREATE DATABASE statement
+ *
+ * @var string
+ */
protected $_create_database = 'CREATE DATABASE %s';
+
+ /**
+ * DROP DATABASE statement
+ *
+ * @var string
+ */
protected $_drop_database = 'DROP DATABASE %s';
+
+ /**
+ * DROP TABLE statement
+ *
+ * @var string
+ */
protected $_drop_table = 'DROP TABLE IF EXISTS %s';
+
+ /**
+ * RENAME TABLE statement
+ *
+ * @var string
+ */
protected $_rename_table = 'ALTER TABLE %s RENAME TO %s';
+ // --------------------------------------------------------------------
+
+ /**
+ * Constructor
+ *
+ * @return void
+ */
public function __construct()
{
// Assign the main database object to $this->db
@@ -127,7 +182,7 @@ abstract class CI_DB_forge {
*/
public function add_key($key = '', $primary = FALSE)
{
- if (is_array($key))
+ if ($primary && is_array($key))
{
foreach ($key as $one)
{
@@ -206,7 +261,8 @@ abstract class CI_DB_forge {
/**
* Create Table
*
- * @param string the table name
+ * @param string $table = ''
+ * @param bool $if_not_exists = FALSE
* @return bool
*/
public function create_table($table = '', $if_not_exists = FALSE)
@@ -378,9 +434,8 @@ abstract class CI_DB_forge {
/**
* Column Modify
*
- * @param string the table name
- * @param string the column name
- * @param string the column definition
+ * @param string $table = ''
+ * @param string $field = array() column definition
* @return bool
*/
public function modify_column($table = '', $field = array())