gitlab-org--gitlab-foss/db/migrate/20180628124813_alter_web_hook_logs_indexes.rb
Jan Provaznik 0fc9f9d3e7 Add version 4.2 to all existing migrations
DB schema generated by a migration may look different in
rails 4 and 5 (because rails 5 may use different default values).
For this reason it's important to explicitly set for which rails
version a migration was written for.

See https://stackoverflow.com/questions/35929869/activerecordmigration-deprecation-warning-asks-for-rails-version-but-im-no/35930912#35930912
2018-11-22 13:18:28 +01:00

28 lines
850 B
Ruby

# frozen_string_literal: true
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class AlterWebHookLogsIndexes < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
disable_ddl_transaction!
# "created_at" comes first so the Sidekiq worker pruning old webhook logs can
# use a composite index.
#
# We leave the old standalone index on "web_hook_id" in place so future code
# that doesn't care about "created_at" can still use that index.
COLUMNS_TO_INDEX = %i[created_at web_hook_id]
def up
add_concurrent_index(:web_hook_logs, COLUMNS_TO_INDEX)
end
def down
remove_concurrent_index(:web_hook_logs, COLUMNS_TO_INDEX)
end
end