Fix #2027
diff --git a/system/database/drivers/mysqli/mysqli_forge.php b/system/database/drivers/mysqli/mysqli_forge.php
index 1a6e284..f29ea5a 100644
--- a/system/database/drivers/mysqli/mysqli_forge.php
+++ b/system/database/drivers/mysqli/mysqli_forge.php
@@ -175,13 +175,24 @@
* @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;