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# frozen_string_literal: true
class ReplaceCiTriggerRequestsIndex < ActiveRecord::Migration[5.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
def up
add_concurrent_index :ci_trigger_requests, [:trigger_id, :id], order: { id: :desc }
# Some installations have legacy, duplicate indexes on
# ci_trigger_requests.trigger_id. Rails won't drop them without an
# explicit name: https://gitlab.com/gitlab-org/gitlab/issues/34818
old_index_names.each do |name|
remove_concurrent_index :ci_trigger_requests, [:trigger_id], name: name
end
end
def down
add_concurrent_index :ci_trigger_requests, [:trigger_id]
remove_concurrent_index :ci_trigger_requests, [:trigger_id, :id], order: { id: :desc }
end
private
def old_index_names
indexes(:ci_trigger_requests).select { |i| i.columns == ['trigger_id'] }.map(&:name)
end
end
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