1 files changed, 12 insertions, 0 deletions
diff --git a/activerecord/test/fixtures/db_definitions/postgresql.sql b/activerecord/test/fixtures/db_definitions/postgresql.sql
index 87db0b7f3f..9bf1035ea3 100644
--- a/activerecord/test/fixtures/db_definitions/postgresql.sql
+++ b/activerecord/test/fixtures/db_definitions/postgresql.sql
@@ -113,3 +113,15 @@ CREATE TABLE colnametests (
   id serial,
   "references" integer NOT NULL
 );
+
+CREATE TABLE mixins (
+  id serial,
+  parent_id integer,
+  pos integer,
+  lft integer,
+  rgt integer,
+  root_id integer,  
+  created_at timestamp,
+  updated_at timestamp,
+  PRIMARY KEY  (`id`)
+);