From 3545102a83a70a42876148037bec05f4bb32913e Mon Sep 17 00:00:00 2001
From: Andrey Andreev <narf@bofh.bg>
Date: Sun, 25 Nov 2012 17:20:04 +0200
Subject: Fix #2027

---
 .../database/drivers/pdo/subdrivers/pdo_cubrid_forge.php  | 15 +++++++++++++--
 .../database/drivers/pdo/subdrivers/pdo_mysql_forge.php   | 15 +++++++++++++--
 2 files changed, 26 insertions(+), 4 deletions(-)

(limited to 'system/database/drivers/pdo')

diff --git a/system/database/drivers/pdo/subdrivers/pdo_cubrid_forge.php b/system/database/drivers/pdo/subdrivers/pdo_cubrid_forge.php
index cb7d9e697..ebf4b15d6 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_cubrid_forge.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_cubrid_forge.php
@@ -179,13 +179,24 @@ class CI_DB_pdo_cubrid_forge extends CI_DB_pdo_forge {
 	 * @param	string	$table	(ignored)
 	 * @return	string
 	 */
-	protected function _process_indexes($table = NULL)
+	protected function _process_indexes($table)
 	{
 		$sql = '';
 
 		for ($i = 0, $c = count($this->keys); $i < $c; $i++)
 		{
-			if ( ! isset($this->fields[$this->keys[$i]]))
+			if (is_array($this->keys[$i]))
+			{
+				for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++)
+				{
+					if ( ! isset($this->fields[$this->keys[$i][$i2]]))
+					{
+						unset($this->keys[$i][$i2]);
+						continue;
+					}
+				}
+			}
+			elseif ( ! isset($this->fields[$this->keys[$i]]))
 			{
 				unset($this->keys[$i]);
 				continue;
diff --git a/system/database/drivers/pdo/subdrivers/pdo_mysql_forge.php b/system/database/drivers/pdo/subdrivers/pdo_mysql_forge.php
index 85d9445d3..5a6de6b2d 100644
--- a/system/database/drivers/pdo/subdrivers/pdo_mysql_forge.php
+++ b/system/database/drivers/pdo/subdrivers/pdo_mysql_forge.php
@@ -189,13 +189,24 @@ class CI_DB_pdo_mysql_forge extends CI_DB_pdo_forge {
 	 * @param	string	$table	(ignored)
 	 * @return	string
 	 */
-	protected function _process_indexes($table = NULL)
+	protected function _process_indexes($table)
 	{
 		$sql = '';
 
 		for ($i = 0, $c = count($this->keys); $i < $c; $i++)
 		{
-			if ( ! isset($this->fields[$this->keys[$i]]))
+			if (is_array($this->keys[$i]))
+			{
+				for ($i2 = 0, $c2 = count($this->keys[$i]); $i2 < $c2; $i2++)
+				{
+					if ( ! isset($this->fields[$this->keys[$i][$i2]]))
+					{
+						unset($this->keys[$i][$i2]);
+						continue;
+					}
+				}
+			}
+			elseif ( ! isset($this->fields[$this->keys[$i]]))
 			{
 				unset($this->keys[$i]);
 				continue;
-- 
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