Fix #589
diff --git a/system/database/drivers/mssql/mssql_driver.php b/system/database/drivers/mssql/mssql_driver.php
index c74f968..6755719 100644
--- a/system/database/drivers/mssql/mssql_driver.php
+++ b/system/database/drivers/mssql/mssql_driver.php
@@ -489,6 +489,29 @@
// --------------------------------------------------------------------
/**
+ * Insert batch statement
+ *
+ * Generates a platform-specific insert string from the supplied data.
+ *
+ * @param string $table Table name
+ * @param array $keys INSERT keys
+ * @param array $values INSERT values
+ * @return string|bool
+ */
+ protected function _insert_batch($table, $keys, $values)
+ {
+ // Multiple-value inserts are only supported as of SQL Server 2008
+ if (version_compare($this->version(), '10', '>='))
+ {
+ return parent::_insert_batch($table, $keys, $values);
+ }
+
+ return ($this->db->db_debug) ? $this->db->display_error('db_unsuported_feature') : FALSE;
+ }
+
+ // --------------------------------------------------------------------
+
+ /**
* Close DB Connection
*
* @return void