Merge pull request #6651 from o-rey/6648-dblib-fix

framework/CHANGELOG.md

@@ -8,6 +8,7 @@ Yii Framework 2 Change Log
 - Bug #6404: advanced application template `Alert` widget was generating duplicate IDs in case of multiple flashes (SDKiller)
 - Bug #6557: Link URLs generated by `yii\widgets\Menu` are not encoded (qiangxue)
 - Bug #6632: `yii\di\Container::get()` did not handle config parameter correctly when it is passed as a constructor parameter (qiangxue)
+- Bug #6648: Added explicit type casting to avoid dblib issues on SQL Server 2014 (o-rey)
 - Enh #6247: Logger and error handler are now using slightly less memory (stepanselyuk, samdark)
 - Enh #6434: Added `yii\behaviors\SluggableBehavior::immutable` to support keeping the generated slug unchanged (trntv)
 - Enh #6467: `ActiveForm` will scroll to the nearest visible element when the first error input is hidden (newartix)

framework/db/mssql/PDO.php

@@ -77,7 +77,7 @@ class PDO extends \PDO
         } catch (\PDOException $e) {
             switch ($attribute) {
                 case PDO::ATTR_SERVER_VERSION:
-                    return $this->query("SELECT SERVERPROPERTY('productversion')")->fetchColumn();
+                    return $this->query("SELECT CAST(SERVERPROPERTY('productversion') AS VARCHAR)")->fetchColumn();
                 default:
                     throw $e;
             }