text: const regex = /(^-?(\d{1,3}:)?(\d\d:)\d\d)$|(^\d+$)/;
  
  module.exports = {
  	name: 'sql_time_value',
  	description: `
  		Value must be a valid MySQL "time" literal.
  		MySQL allow several formats for "time" field but
  		dana currently only allows a string matching ${regex} regex as a default value.
  	`,
  	valids: [
  		'11:12:00',
  		'-00:11:12',
  		1112,
  		'1112',
  		12,
  		'12',
  		'-838:59:59',
  		undefined
  	],
  	invalids: [
  		null,
  		'invalid',
  		'-8388:59:598',
  	],
  	handler(value) {
  		if ( value === undefined ) return;
  		if ( !regex.test(String(value)) ) {
  			return 'Invalid value for the "time" field. Value should match ${regex} regex!';
  		}
  	}
  };
  