Package org.apache.calcite.rel.rules

Class JoinExtractFilterRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

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

org.apache.calcite.rel.rules.AbstractJoinExtractFilterRule

org.apache.calcite.rel.rules.JoinExtractFilterRule

All Implemented Interfaces:

TransformationRule

@Enclosing
public final class JoinExtractFilterRule
extends AbstractJoinExtractFilterRule

Rule to convert an inner join to a filter on top of a cartesian inner join.

One benefit of this transformation is that after it, the join condition can be combined with conditions and expressions above the join. It also makes the FennelCartesianJoinRule applicable.

Can be configured to match any sub-class of Join, not just LogicalJoin.

See Also:

• CoreRules.JOIN_EXTRACT_FILTER

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	JoinExtractFilterRule.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

Constructor	Description
JoinExtractFilterRule(Class<? extends Join> clazz, RelBuilderFactory relBuilderFactory)	Deprecated.

Method Summary

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

onMatch

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

any, convert, convert, 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 Details

JoinExtractFilterRule

@Deprecated
public JoinExtractFilterRule(Class<? extends Join> clazz,
 RelBuilderFactory relBuilderFactory)

Deprecated.