gitlab-org--gitlab-foss/db/migrate/20190412155659_add_merge_request_blocks.rb

26 lines
797 B
Ruby
Raw Normal View History

# frozen_string_literal: true
class AddMergeRequestBlocks < ActiveRecord::Migration[5.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
def change
create_table :merge_request_blocks, id: :bigserial do |t|
t.references :blocking_merge_request,
index: false, null: false,
foreign_key: { to_table: :merge_requests, on_delete: :cascade }
t.references :blocked_merge_request,
index: true, null: false,
foreign_key: { to_table: :merge_requests, on_delete: :cascade }
t.index [:blocking_merge_request_id, :blocked_merge_request_id],
unique: true,
name: 'index_mr_blocks_on_blocking_and_blocked_mr_ids'
t.timestamps_with_timezone
end
end
end