class AddSectionNameIdIndexOnCiBuildTraceSections < ActiveRecord::Migration[4.2] include Gitlab::Database::MigrationHelpers # Set this constant to true if this migration requires downtime. DOWNTIME = false INDEX_NAME = 'index_ci_build_trace_sections_on_section_name_id' disable_ddl_transaction! def up add_concurrent_index :ci_build_trace_sections, :section_name_id, name: INDEX_NAME end def down remove_concurrent_index :ci_build_trace_sections, :section_name_id, name: INDEX_NAME end end