- Fixed bug where some dates would produce SQL error in MySQL (#1487856)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fixed bug where some dates would produce SQL error in MySQL (#1487856)
 - Added workaround for some IMAP server with broken STATUS response (#1487859)
 - Fix bug where default_charset was not used for text messages (#1487836)
 - Enable TinyMCE's contextmenu (#1487014)

program/include/rcube_mdb2.php

@@ -570,15 +570,7 @@ class rcube_mdb2
      */
     function fromunixtime($timestamp)
     {
-        switch($this->db_provider) {
-            case 'mysqli':
-            case 'mysql':
-            case 'sqlite':
-                return sprintf("FROM_UNIXTIME(%d)", $timestamp);
-
-            default:
-                return date("'Y-m-d H:i:s'", $timestamp);
-        }
+        return date("'Y-m-d H:i:s'", $timestamp);
     }