add test

posthog/hogql/database/test/test_database.py

@@ -17,7 +17,7 @@
 from posthog.models.organization import Organization
 from posthog.models.team.team import Team
 from posthog.test.base import BaseTest
-from posthog.warehouse.models import DataWarehouseTable, DataWarehouseCredential
+from posthog.warehouse.models import DataWarehouseTable, DataWarehouseCredential, DataWarehouseSavedQuery
 from posthog.hogql.query import execute_hogql_query
 from posthog.warehouse.models.join import DataWarehouseJoin
 
@@ -288,3 +288,29 @@ def test_database_warehouse_joins_persons_poe_v2(self):
         assert poe.fields["some_field"] is not None
 
         print_ast(parse_select("select person.some_field.key from events"), context, dialect="clickhouse")
+
+    def test_database_warehouse_joins_on_view(self):
+        DataWarehouseSavedQuery.objects.create(
+            team=self.team,
+            name="event_view",
+            query={"query": "SELECT event AS event from events"},
+            columns={"event": "String"},
+        )
+        DataWarehouseJoin.objects.create(
+            team=self.team,
+            source_table_name="event_view",
+            source_table_key="event",
+            joining_table_name="groups",
+            joining_table_key="key",
+            field_name="some_field",
+        )
+
+        db = create_hogql_database(team_id=self.team.pk)
+        context = HogQLContext(
+            team_id=self.team.pk,
+            enable_select_queries=True,
+            database=db,
+        )
+
+        sql = "select e.some_field.key from event_view as e"
+        print_ast(parse_select(sql), context, dialect="clickhouse")