1 files changed, 9 insertions, 0 deletions
diff --git a/activerecord/test/fixtures/db_definitions/postgresql.sql b/activerecord/test/fixtures/db_definitions/postgresql.sql
index 2bc18dfb2b..9b57866368 100644
--- a/activerecord/test/fixtures/db_definitions/postgresql.sql
+++ b/activerecord/test/fixtures/db_definitions/postgresql.sql
@@ -183,3 +183,12 @@ CREATE TABLE categories_posts (
   category_id integer NOT NULL,
   post_id integer NOT NULL
 );
+
+CREATE TABLE fk_test_has_pk (
+  id INTEGER NOT NULL PRIMARY KEY
+);
+
+CREATE TABLE fk_test_has_fk (
+  id    INTEGER NOT NULL PRIMARY KEY,
+  fk_id INTEGER NOT NULL REFERENCES fk_test_has_fk(id)
+);