protected Map<String, Long> runOnce()
{
ConnectorSession session = new ConnectorSession("user", "source", "catalog", "schema", UTC_KEY, Locale.ENGLISH, "address", "agent");
ExecutorService executor = localQueryRunner.getExecutor();
TaskContext taskContext = new TaskContext(
new TaskStateMachine(new TaskId("query", "stage", "task"), executor),
executor,
session,
new DataSize(256, MEGABYTE),
new DataSize(1, MEGABYTE),
false);