org.apache.calcite.sql2rel

Class RelDecorrelator.RemoveSingleAggregateRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.plan.RelRule<RelDecorrelator.RemoveSingleAggregateRule.Config>

org.apache.calcite.sql2rel.RelDecorrelator.RemoveSingleAggregateRule

Enclosing class:

RelDecorrelator

public static final class RelDecorrelator.RemoveSingleAggregateRule
extends org.apache.calcite.plan.RelRule<RelDecorrelator.RemoveSingleAggregateRule.Config>

Rule to remove single_value rel. For cases like

AggRel single_value proj/filter/agg/ join on unique LHS key AggRel single group

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	RelDecorrelator.RemoveSingleAggregateRule.Config Rule configuration.

Nested classes/interfaces inherited from class org.apache.calcite.plan.RelRule

org.apache.calcite.plan.RelRule.Done, org.apache.calcite.plan.RelRule.MatchHandler<R extends org.apache.calcite.plan.RelOptRule>, org.apache.calcite.plan.RelRule.OperandBuilder, org.apache.calcite.plan.RelRule.OperandDetailBuilder<R extends org.apache.calcite.rel.RelNode>, org.apache.calcite.plan.RelRule.OperandTransform

Nested classes/interfaces inherited from class org.apache.calcite.plan.RelOptRule

org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

Field Summary

Fields inherited from class org.apache.calcite.plan.RelRule

config

Fields inherited from class org.apache.calcite.plan.RelOptRule

description, operands, relBuilderFactory

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	RemoveSingleAggregateRule(RelDecorrelator.RemoveSingleAggregateRule.Config config) Creates a RemoveSingleAggregateRule.

Method Summary

Modifier and Type	Method and Description
void	onMatch(org.apache.calcite.plan.RelOptRuleCall call)

Methods inherited from class org.apache.calcite.plan.RelOptRule

any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, matches, none, operand, operand, operand, operand, operand, operandJ, operandJ, some, toString, unordered

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

RemoveSingleAggregateRule

protected RemoveSingleAggregateRule(RelDecorrelator.RemoveSingleAggregateRule.Config config)

Creates a RemoveSingleAggregateRule.

Method Detail

onMatch

public void onMatch(org.apache.calcite.plan.RelOptRuleCall call)

Specified by:

onMatch in class org.apache.calcite.plan.RelOptRule