Package org.apache.drill.exec.physical.impl.scan.v3

Class FixedReceiver

java.lang.Object

org.apache.drill.exec.physical.impl.scan.v3.FixedReceiver

public class FixedReceiver
extends Object

Layer above the ResultSetLoader which handles standard conversions for scalar columns where the schema is known up front (i.e. "early schema".) Columns access is by both name and position, though access by position is faster and is preferred where possible for performance.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	FixedReceiver.Builder

Method Summary

Modifier and Type	Method	Description
static FixedReceiver.Builder	builderFor(SchemaNegotiator negotiator)
RowSetLoader	rowWriter()
void	save()
ValueWriter	scalar(int index)
ValueWriter	scalar(String name)
boolean	start()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

builderFor

public static FixedReceiver.Builder builderFor(SchemaNegotiator negotiator)

start

public boolean start()

scalar

public ValueWriter scalar(int index)

scalar

public ValueWriter scalar(String name)

save

public void save()

rowWriter

public RowSetLoader rowWriter()