Package org.apache.flink.table.planner.plan.rules.logical

Class FlinkFilterCalcMergeRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.plan.RelRule<org.apache.calcite.rel.rules.FilterCalcMergeRule.Config>

org.apache.calcite.rel.rules.FilterCalcMergeRule

org.apache.flink.table.planner.plan.rules.logical.FlinkFilterCalcMergeRule

All Implemented Interfaces:

org.apache.calcite.rel.rules.TransformationRule

public class FlinkFilterCalcMergeRule
extends org.apache.calcite.rel.rules.FilterCalcMergeRule

Extends calcite's FilterCalcMergeRule, modification: only merge the two neighbouring Filter and Calc if each non-deterministic RexNode of bottom Calc should appear at most once in the implicit project list and condition of top Filter.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.rel.rules.FilterCalcMergeRule

org.apache.calcite.rel.rules.FilterCalcMergeRule.Config

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

Modifier and Type	Field	Description
static final org.apache.calcite.plan.RelOptRule	INSTANCE

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	Description
protected	FlinkFilterCalcMergeRule(org.apache.calcite.rel.rules.FilterCalcMergeRule.Config config)

Method Summary

Modifier and Type	Method	Description
boolean	matches(org.apache.calcite.plan.RelOptRuleCall call)

Methods inherited from class org.apache.calcite.rel.rules.FilterCalcMergeRule

onMatch

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

any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, 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

Field Details

INSTANCE

public static final org.apache.calcite.plan.RelOptRule INSTANCE

Constructor Details

FlinkFilterCalcMergeRule

protected FlinkFilterCalcMergeRule(org.apache.calcite.rel.rules.FilterCalcMergeRule.Config config)

Method Details

matches

public boolean matches(org.apache.calcite.plan.RelOptRuleCall call)

Overrides:

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