org.apache.drill.exec.physical.impl.project

Interface Projector

All Known Implementing Classes:

ProjectorTemplate

public interface Projector

Field Summary

Fields

Modifier and Type	Field and Description
static TemplateClassDefinition<Projector>	TEMPLATE_DEFINITION

Method Summary

Modifier and Type	Method and Description
int	projectRecords(RecordBatch incomingBatch, int startIndex, int recordCount, int firstOutputIndex)
void	setup(FragmentContext context, RecordBatch incoming, RecordBatch outgoing, List<TransferPair> transfers)

Field Detail

TEMPLATE_DEFINITION

static final TemplateClassDefinition<Projector> TEMPLATE_DEFINITION

Method Detail

setup

void setup(FragmentContext context,
           RecordBatch incoming,
           RecordBatch outgoing,
           List<TransferPair> transfers)
    throws SchemaChangeException

Throws:

SchemaChangeException

projectRecords

int projectRecords(RecordBatch incomingBatch,
                   int startIndex,
                   int recordCount,
                   int firstOutputIndex)