Changeset discussions

[rails.git] / db / migrate / 20140519141742_add_join_table_between_users_and_changesets.rb

diff --git a/db/migrate/20140519141742_add_join_table_between_users_and_changesets.rb b/db/migrate/20140519141742_add_join_table_between_users_and_changesets.rb
new file mode 100644 (file)
index 0000000..37ec1a2
--- /dev/null
+++ b/db/migrate/20140519141742_add_join_table_between_users_and_changesets.rb
@@ -0,0 +1,13 @@
+require 'migrate'
+class AddJoinTableBetweenUsersAndChangesets < ActiveRecord::Migration
+  def change
+    create_table :changesets_subscribers, id: false do |t|
+      t.column :subscriber_id, :bigint, null: false
+      t.column :changeset_id, :bigint, null: false
+    end
+    add_foreign_key :changesets_subscribers, [:subscriber_id], :users, [:id]
+    add_foreign_key :changesets_subscribers, [:changeset_id], :changesets, [:id]
+    add_index :changesets_subscribers, [:subscriber_id, :changeset_id], { :unique => true }
+    add_index :changesets_subscribers, [:changeset_id]
+  end
+end