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# frozen_string_literal: true
class AddIndexOnAuditEventsIdDesc < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
OLD_INDEX_NAME = 'index_audit_events_on_entity_id_and_entity_type'
NEW_INDEX_NAME = 'index_audit_events_on_entity_id_and_entity_type_and_id_desc'
disable_ddl_transaction!
def up
add_concurrent_index :audit_events, [:entity_id, :entity_type, :id], name: NEW_INDEX_NAME,
order: { entity_id: :asc, entity_type: :asc, id: :desc }
remove_concurrent_index_by_name :audit_events, OLD_INDEX_NAME
end
def down
add_concurrent_index :audit_events, [:entity_id, :entity_type], name: OLD_INDEX_NAME
remove_concurrent_index_by_name :audit_events, NEW_INDEX_NAME
end
end
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