org.apache.calcite.tools

Class RelBuilder.Registrar

java.lang.Object

org.apache.calcite.tools.RelBuilder.Registrar

Enclosing class:

RelBuilder

private static class RelBuilder.Registrar
extends Object

Collects the extra expressions needed for RelBuilder.aggregate(org.apache.calcite.tools.RelBuilder.GroupKey, org.apache.calcite.tools.RelBuilder.AggCall...).

The extra expressions come from the group key and as arguments to aggregate calls, and later there will be a RelBuilder.project(java.lang.Iterable<? extends org.apache.calcite.rex.RexNode>) or a RelBuilder.rename(List) if necessary.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) List<RexNode>	extraNodes
(package private) List<String>	names

Constructor Summary

Constructors

Modifier	Constructor and Description
private	Registrar()

Method Summary

Modifier and Type	Method and Description
(package private) int	registerExpression(RexNode node)
(package private) List<Integer>	registerExpressions(Iterable<? extends RexNode> nodes)

Methods inherited from class java.lang.Object

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

Field Detail

extraNodes

final List<RexNode> extraNodes

names

final List<String> names

Constructor Detail

Registrar

private Registrar()

Method Detail

registerExpression

int registerExpression(RexNode node)

registerExpressions

List<Integer> registerExpressions(Iterable<? extends RexNode> nodes)