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

Class WindowAggregateReduceFunctionsRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

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

org.apache.calcite.rel.rules.AggregateReduceFunctionsRule

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

All Implemented Interfaces:

org.apache.calcite.rel.rules.TransformationRule

public class WindowAggregateReduceFunctionsRule
extends org.apache.calcite.rel.rules.AggregateReduceFunctionsRule

Rule to convert complex aggregation functions into simpler ones. Have a look at AggregateReduceFunctionsRule for details.

Nested Class Summary

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

org.apache.calcite.rel.rules.AggregateReduceFunctionsRule.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 and Description
static WindowAggregateReduceFunctionsRule	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 and Description
protected	WindowAggregateReduceFunctionsRule(org.apache.calcite.rel.rules.AggregateReduceFunctionsRule.Config config)

Method Summary

Modifier and Type	Method and Description
protected void	newAggregateRel(RelBuilder relBuilder, org.apache.calcite.rel.core.Aggregate oldAgg, List<org.apache.calcite.rel.core.AggregateCall> newCalls)
protected void	newCalcRel(RelBuilder relBuilder, org.apache.calcite.rel.type.RelDataType rowType, List<org.apache.calcite.rex.RexNode> exprs)

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

canReduce, canReduceAggCallByGrouping, matches, 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 Detail

INSTANCE

public static final WindowAggregateReduceFunctionsRule INSTANCE

Constructor Detail

WindowAggregateReduceFunctionsRule

protected WindowAggregateReduceFunctionsRule(org.apache.calcite.rel.rules.AggregateReduceFunctionsRule.Config config)

Method Detail

newAggregateRel

protected void newAggregateRel(RelBuilder relBuilder,
                               org.apache.calcite.rel.core.Aggregate oldAgg,
                               List<org.apache.calcite.rel.core.AggregateCall> newCalls)

Overrides:

newAggregateRel in class org.apache.calcite.rel.rules.AggregateReduceFunctionsRule

newCalcRel

protected void newCalcRel(RelBuilder relBuilder,
                          org.apache.calcite.rel.type.RelDataType rowType,
                          List<org.apache.calcite.rex.RexNode> exprs)

Overrides:

newCalcRel in class org.apache.calcite.rel.rules.AggregateReduceFunctionsRule