int to bigint cast fix

Author: Aleksander Korelskiy

src/Traits/RepositoryFindByExternalIdTrait.php

@@ -52,7 +52,7 @@ public function findByExternalIdAndExternalSourceAndExternalSubId(string $extern
      */
     public function getLastExternalId($castToInt = true)
     {
-        $query = 'MAX(cast (e.externalId as int)) as maxExternalId';
+        $query = 'MAX(cast (e.externalId as bigint)) as maxExternalId';
 
         if (!$castToInt) {
             $query = 'MAX(e.externalId) as maxExternalId';
@@ -77,7 +77,7 @@ public function getLastExternalId($castToInt = true)
      */
     public function getLastExternalIdBySource(int $externalSource, $castToInt = true)
     {
-        $query = 'MAX(cast (e.externalId as int)) as maxExternalId';
+        $query = 'MAX(cast (e.externalId as bigint)) as maxExternalId';
 
         if (!$castToInt) {
             $query = 'MAX(e.externalId) as maxExternalId';