add support use string FK with integer PK

4eb7d82a · Andrey Kumanyaev · 3e1d52f4 · 4eb7d82a
Commit 4eb7d82a authored Oct 10, 2012 by Andrey Kumanyaev
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db/migrate/20121009205010_postgres_create_integer_cast.rb db/migrate/20121009205010_postgres_create_integer_cast.rb +15 -0

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--- a/db/migrate/20121009205010_postgres_create_integer_cast.rb
+++ b/db/migrate/20121009205010_postgres_create_integer_cast.rb
+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