Fix DB drivers version() implementations that don't execute a query

Fails if called prior to the DB connection initialization.

1 files changed, 5 insertions, 1 deletions

diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php
index de3d87312..d3999bf75 100644
--- a/system/database/drivers/sqlsrv/sqlsrv_driver.php
+++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php
@@ -275,8 +275,12 @@ class CI_DB_sqlsrv_driver extends CI_DB {
 		{
 			return $this->data_cache['version'];
 		}
+		elseif ( ! $this->conn_id)
+		{
+			$this->initialize();
+		}
 
-		if (($info = sqlsrv_server_info($this->conn_id)) === FALSE)
+		if ( ! $this->conn_id OR ($info = sqlsrv_server_info($this->conn_id)) === FALSE)
 		{
 			return FALSE;
 		}