NewRDB returns a new instance of RDB.

ErrDuplicateTask indicates that another task with the same unique key holds the uniqueness lock.

ErrNoProcessableTask indicates that there are no tasks ready to be processed.

ErrTaskNotFound indicates that a task that matches the given identifier was not found.

DailyStats holds aggregate data for a given day.

DeadTask is a task in that has exhausted all retries.

EnqueuedTask is a task in a queue and is ready to be processed.

ErrQueueNotEmpty indicates specified queue is not empty.

ErrQueueNotFound indicates specified queue does not exist.

InProgressTask is a task that's currently being processed.

Pagination specifies the page size and page number for the list operation.

RDB is a client interface to query and mutate task queues.

RetryTask is a task that's in retry queue because worker failed to process the task.

ScheduledTask is a task that's scheduled to be processed in the future.

Stats represents a state of queues at a certain time.