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

Methods

Modifier and Type	Method and Description
int	projectRecords(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(int startIndex,
                 int recordCount,
                 int firstOutputIndex)