func AddJobIndexes(indexer *coal.Indexer, removeAfter time.Duration) {
	// add name index
	indexer.Add(&Job{}, false, 0, "Name")

	// add status index
	indexer.Add(&Job{}, false, 0, "Status")

	// add finished index
	indexer.Add(&Job{}, false, removeAfter, "Finished")
}
func AddJobIndexes(indexer *coal.Indexer, removeAfter time.Duration) {
	// add name index
	indexer.Add(&Job{}, false, 0, "Name")

	// add status index
	indexer.Add(&Job{}, false, 0, "Status")

	// add finished index
	indexer.Add(&Job{}, false, removeAfter, "Finished")
}
// AddJobIndexes will add job indexes to the specified indexer. If removeAfter
// is specified, completed and cancelled jobs are automatically removed when
// their finished timestamp falls behind the specified duration.
//
// Note: It is recommended to create custom indexes that support the exact
// nature of data and access patterns.