.addSequencePage(10, 100, 0, 100, 0)
.addSequencePage(10, 100, 0, 200, 0)
.addSequencePage(10, 100, 0, 300, 0)
.build();
ConnectorSession session = new ConnectorSession("user", "source", "catalog", "schema", UTC_KEY, Locale.ENGLISH, "address", "agent");
DriverContext driverContext = new TaskContext(new TaskId("query", "stage", "task"), executor, session, new DataSize(10, Unit.BYTE))
.addPipelineContext(true, true)
.addDriverContext();
HashAggregationOperatorFactory operatorFactory = new HashAggregationOperatorFactory(