Merge pull request #813 from HiddenData/ticket-19263

fixes #19263 - EmptyResultSet in subquery causes incorrect SQL

1 files changed, 4 insertions, 0 deletions

diff --git a/django/db/models/sql/where.py b/django/db/models/sql/where.py
index ef856893b5..603ae3dfbe 100644
--- a/django/db/models/sql/where.py
+++ b/django/db/models/sql/where.py
@@ -204,6 +204,10 @@ class WhereNode(tree.Node):
                 raise EmptyResultSet
             if extra:
                 return ('%s IN %s' % (field_sql, extra), params)
+            if not params:
+                # Empty params would generate invalid sql in subquery
+                raise EmptyResultSet
+
             max_in_list_size = connection.ops.max_in_list_size()
             if max_in_list_size and len(params) > max_in_list_size:
                 # Break up the params list into an OR of manageable chunks.