diff --git a/bitbake/lib/bb/persist_data.py b/bitbake/lib/bb/persist_data.py
index eae64cf792..bf8fd77bf1 100644
--- a/bitbake/lib/bb/persist_data.py
+++ b/bitbake/lib/bb/persist_data.py
@@ -110,6 +110,9 @@ class SQLTable(collections.MutableMapping):
         for row in data:
             yield row[0]
 
+    def has_key(self, key):
+        return key in self
+
 
 class SQLData(object):
     """Object representing the persistent data"""