NewAPIRequestHandler creates a task handler that makes an HTTP request to a target API.

NewDispatchHandler creates a task handler that will dispatch tasks to other handlers.

NewSQLTaskHandler creates a sqlTaskHandler handler instance with the given tracing name.

APIRequestTask marks a task as an API request task.

ErrNoHandlerFound occurs when dispatcher can'f find a registered handler for a task type.

RequestPending means the request was sent, awaiting the response.

RequestPreparing means the task is preparing the request parameters and the body.

RequestResponse means the response was received.

APIRequestProgress describes the progress of the API request task stored during the heartbeat handling.

APIRequestTaskSpec describes the specification of the API request task.

SQLExecTaskSpec defines a task that simply executes a single SQL statement.

SQLTaskProgress contains the generic progress information for a sql task.