3 files changed, 27 insertions, 1 deletions
diff --git a/program/lib/Roundcube/rcube_db.php b/program/lib/Roundcube/rcube_db.php
index 086fd66cb..597fa75f9 100644
--- a/program/lib/Roundcube/rcube_db.php
+++ b/program/lib/Roundcube/rcube_db.php
@@ -368,8 +368,10 @@ class rcube_db
      */
     protected function _query($query, $offset, $numrows, $params)
     {
+        $query = trim($query);
+
         // Read or write ?
-        $mode = preg_match('/^(select|show)/i', ltrim($query)) ? 'r' : 'w';
+        $mode = preg_match('/^(select|show|set)/i', $query) ? 'r' : 'w';
 
         $this->db_connect($mode);
 
diff --git a/program/lib/Roundcube/rcube_db_mssql.php b/program/lib/Roundcube/rcube_db_mssql.php
index 71317078c..4c005b0d0 100644
--- a/program/lib/Roundcube/rcube_db_mssql.php
+++ b/program/lib/Roundcube/rcube_db_mssql.php
@@ -46,6 +46,18 @@ class rcube_db_mssql extends rcube_db
     }
 
     /**
+     * Driver-specific configuration of database connection
+     *
+     * @param array $dsn DSN for DB connections
+     * @param PDO   $dbh Connection handler
+     */
+    protected function conn_configure($dsn, $dbh)
+    {
+        // Set date format in case of non-default language (#1488918)
+        $this->query("SET DATEFORMAT ymd");
+    }
+
+    /**
      * Return SQL function for current time and date
      *
      * @param int $interval Optional interval (in seconds) to add/subtract
diff --git a/program/lib/Roundcube/rcube_db_sqlsrv.php b/program/lib/Roundcube/rcube_db_sqlsrv.php
index 9958dc291..88473e213 100644
--- a/program/lib/Roundcube/rcube_db_sqlsrv.php
+++ b/program/lib/Roundcube/rcube_db_sqlsrv.php
@@ -46,6 +46,18 @@ class rcube_db_sqlsrv extends rcube_db
     }
 
     /**
+     * Driver-specific configuration of database connection
+     *
+     * @param array $dsn DSN for DB connections
+     * @param PDO   $dbh Connection handler
+     */
+    protected function conn_configure($dsn, $dbh)
+    {
+        // Set date format in case of non-default language (#1488918)
+        $this->query("SET DATEFORMAT ymd");
+    }
+
+    /**
      * Return SQL function for current time and date
      *
      * @param int $interval Optional interval (in seconds) to add/subtract