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# 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 AddIndexToMergeRequestsStateAndMergeStatus < ActiveRecord::Migration[5.1]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_index :merge_requests, [:state, :merge_status],
where: "state = 'opened' AND merge_status = 'can_be_merged'"
end
def down
remove_concurrent_index :merge_requests, [:state, :merge_status]
end
end
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