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

Interface Projector

All Known Implementing Classes:

ProjectorTemplate

public interface Projector

Field Summary

Fields

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

Method Summary

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

Field Details

TEMPLATE_DEFINITION

static final TemplateClassDefinition<Projector> TEMPLATE_DEFINITION

Method Details

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)