org.apache.calcite.plan

Class RelOptRule.ConverterRelOptRuleOperand

java.lang.Object

org.apache.calcite.plan.RelOptRuleOperand

org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

Enclosing class:

RelOptRule

private static class RelOptRule.ConverterRelOptRuleOperand
extends RelOptRuleOperand

Operand to an instance of the converter rule.

Field Summary

Fields inherited from class org.apache.calcite.plan.RelOptRuleOperand

childPolicy, ordinalInParent, ordinalInRule, solveOrder

Constructor Summary

Constructors

Constructor and Description
ConverterRelOptRuleOperand(java.lang.Class<R> clazz, RelTrait in, java.util.function.Predicate<? super R> predicate)

Method Summary

Modifier and Type	Method and Description
boolean	matches(RelNode rel) Returns whether a relational expression matches this operand.

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

equals, getChildOperands, getMatchedClass, getParent, getRule, hashCode, setParent, setRule

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ConverterRelOptRuleOperand

ConverterRelOptRuleOperand(java.lang.Class<R> clazz,
                           RelTrait in,
                           java.util.function.Predicate<? super R> predicate)

Method Detail

matches

public boolean matches(RelNode rel)

Description copied from class: RelOptRuleOperand

Returns whether a relational expression matches this operand. It must be of the right class and trait.

Overrides:

matches in class RelOptRuleOperand