Fix #4120
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index 8f15d8d..05e5418 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -381,9 +381,19 @@
*/
public function error()
{
- $query = $this->query('SELECT @@ERROR AS code');
- $query = $query->row();
- return array('code' => $query->code, 'message' => mssql_get_last_message());
+ // We need this because the error info is discarded by the
+ // server the first time you request it, and query() already
+ // calls error() once for logging purposes when a query fails.
+ static $error = array('code' => 0, 'message' => NULL);
+
+ $message = mssql_get_last_message();
+ if ( ! empty($message))
+ {
+ $error['code'] = $this->query('SELECT @@ERROR AS code')->row()->code;
+ $error['message'] = $message;
+ }
+
+ return $error;
}
// --------------------------------------------------------------------