From: Andrey Kumanyaev <me@zzet.org>
Date: Tue, 9 Oct 2012 23:31:51 +0000 (+0400)
Subject: add support use string FK with integer PK
X-Git-Tag: v3.0.0~47^2~3
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=4eb7d82ae7b085049a889b8f4e7d421f05b39d07;p=wvm%2Fgitlab.git

add support use string FK with integer PK
---

diff --git a/db/migrate/20121009205010_postgres_create_integer_cast.rb b/db/migrate/20121009205010_postgres_create_integer_cast.rb
new file mode 100644
index 000000000..b9a971387
--- /dev/null
+++ b/db/migrate/20121009205010_postgres_create_integer_cast.rb
@@ -0,0 +1,15 @@
+class PostgresCreateIntegerCast < ActiveRecord::Migration
+  def up
+    execute <<-SQL
+      CREATE CAST (integer AS text) WITH INOUT AS IMPLICIT;
+    SQL
+    rescue ActiveRecord::StatementInvalid
+  end
+
+  def down
+    execute <<-SQL
+      DROP CAST (integer AS text);
+    SQL
+    rescue ActiveRecord::StatementInvalid
+  end
+end