presto-main/src/main/java/io/prestosql/operator/FilterAndProjectOperator.java/FilterAndProjectOperatorFactory/create
class FilterAndProjectOperatorFactory:        @Override
        public WorkProcessorOperator create(ProcessorContext processorContext, WorkProcessor<Page> sourcePages)
        {
            return new FilterAndProjectOperator(
                    processorContext.getSession(),
                    processorContext.getMemoryTrackingContext(),
                    processorContext.getDriverYieldSignal(),
                    Optional.of(sourcePages),
                    processor.get(),
                    types,
                    minOutputPageSize,
                    minOutputPageRowCount);
        }