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# frozen_string_literal: true
class AddAuthorIdIndexToAuditEvents < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
disable_ddl_transaction!
INDEX_NAME = 'index_audit_events_on_entity_id_entity_type_id_desc_author_id'
OLD_INDEX_NAME = 'index_audit_events_on_entity_id_and_entity_type_and_id_desc'
def up
add_concurrent_index(:audit_events, [:entity_id, :entity_type, :id, :author_id], order: { id: :desc }, name: INDEX_NAME)
remove_concurrent_index_by_name(:audit_events, OLD_INDEX_NAME)
end
def down
add_concurrent_index(:audit_events, [:entity_id, :entity_type, :id], order: { id: :desc }, name: OLD_INDEX_NAME)
remove_concurrent_index_by_name(:audit_events, INDEX_NAME)
end
end
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