add support use string FK with integer PK

Andrey Kumanyaev
1 parent 3e1d52f4
Showing 1 changed file with 15 additions and 0 deletions Show diff stats
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
...	...	@@ -0,0 +1,15 @@
	1	+class PostgresCreateIntegerCast < ActiveRecord::Migration
	2	+ def up
	3	+ execute <<-SQL
	4	+ CREATE CAST (integer AS text) WITH INOUT AS IMPLICIT;
	5	+ SQL
	6	+ rescue ActiveRecord::StatementInvalid
	7	+ end
	8	+
	9	+ def down
	10	+ execute <<-SQL
	11	+ DROP CAST (integer AS text);
	12	+ SQL
	13	+ rescue ActiveRecord::StatementInvalid
	14	+ end
	15	+end
...	...