1 files changed, 2 insertions, 0 deletions
diff --git a/adbh.py b/adbh.py
index 7374172..377ddfb 100644
--- a/adbh.py
+++ b/adbh.py
@@ -107,6 +107,7 @@ class _GenericAdvFuncHelper:
     backend_name = None # overriden in subclasses ('postgres', 'sqlite', etc.)
     needs_from_clause = False
     union_parentheses_support = True
+    intersect_all_support = True
     users_support = True
     groups_support = True
     ilike_support = True
@@ -426,6 +427,7 @@ class _SqliteAdvFuncHelper(_GenericAdvFuncHelper):
     users_support = groups_support = False
     ilike_support = False
     union_parentheses_support = False
+    intersect_all_support = False
     
     def sql_create_index(self, table, column, unique=False):
         idx = self._index_name(table, column, unique)