Package org.apache.calcite.adapter.enumerable

Class EnumerableConditionalCorrelateRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

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

org.apache.calcite.rel.convert.ConverterRule

org.apache.calcite.adapter.enumerable.EnumerableConditionalCorrelateRule

@Enclosing
public class EnumerableConditionalCorrelateRule
extends ConverterRule

Rule which converts a LogicalConditionalCorrelate into its enumerable implementation, implementing conditional correlates via nested loops over enumerable inputs.

See Also:

• EnumerableRules.ENUMERABLE_CONDITIONAL_CORRELATE_RULE

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.calcite.rel.convert.ConverterRule

ConverterRule.Config

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

Modifier and Type	Field	Description
static final ConverterRule.Config	DEFAULT_CONFIG	Default configuration.

Fields inherited from class org.apache.calcite.rel.convert.ConverterRule

out

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	EnumerableConditionalCorrelateRule(ConverterRule.Config config)	Creates an EnumerableConditionalCorrelateRule.

Method Summary

Modifier and Type	Method	Description
RelNode	convert(RelNode rel)	Converts a relational expression to the target trait(s) of this rule.

Methods inherited from class org.apache.calcite.rel.convert.ConverterRule

getInTrait, getOutConvention, getOutTrait, getTraitDef, isGuaranteed, onMatch

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

any, convert, convert, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, 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

Field Details

DEFAULT_CONFIG

public static final ConverterRule.Config DEFAULT_CONFIG

Default configuration.

Constructor Details

EnumerableConditionalCorrelateRule

protected EnumerableConditionalCorrelateRule(ConverterRule.Config config)

Creates an EnumerableConditionalCorrelateRule.

Method Details

convert

public RelNode convert(RelNode rel)

Description copied from class: ConverterRule

Converts a relational expression to the target trait(s) of this rule.

Returns null if conversion is not possible.

Specified by:

convert in class ConverterRule