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-rw-r--r--framework/Data/ActiveRecord/Relations/TActiveRecordRelation.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/framework/Data/ActiveRecord/Relations/TActiveRecordRelation.php b/framework/Data/ActiveRecord/Relations/TActiveRecordRelation.php
index 63e182ca..4c238801 100644
--- a/framework/Data/ActiveRecord/Relations/TActiveRecordRelation.php
+++ b/framework/Data/ActiveRecord/Relations/TActiveRecordRelation.php
@@ -161,7 +161,7 @@ abstract class TActiveRecordRelation
{
$ids=array();
foreach($properties as $property)
- $ids[] = is_object($obj) ? $obj->getColumnValue($property) : $obj[$property];
+ $ids[] = is_object($obj) ? (string)$obj->getColumnValue($property) : (string)$obj[$property];
return serialize($ids);
}