org.apache.calcite.plan

Class CommonRelSubExprRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.plan.RelRule<CommonRelSubExprRule.Config>

org.apache.calcite.plan.CommonRelSubExprRule

public abstract class CommonRelSubExprRule
extends RelRule<CommonRelSubExprRule.Config>

A CommonRelSubExprRule is an abstract base class for rules that are fired only on relational expressions that appear more than once in a query tree.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	CommonRelSubExprRule.Config Rule configuration.

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

RelRule.Done, RelRule.MatchHandler<R extends RelOptRule>, RelRule.OperandBuilder, RelRule.OperandDetailBuilder<R extends RelNode>, RelRule.OperandTransform

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

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	CommonRelSubExprRule(CommonRelSubExprRule.Config config) Creates a CommonRelSubExprRule.

Method Summary

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

any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, matches, none, onMatch, 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

CommonRelSubExprRule

protected CommonRelSubExprRule(CommonRelSubExprRule.Config config)

Creates a CommonRelSubExprRule.