org.apache.beam.sdk.extensions.sql.impl.rule

Class BeamCalcRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.rel.convert.ConverterRule

org.apache.beam.sdk.extensions.sql.impl.rule.BeamCalcRule

public class BeamCalcRule
extends org.apache.calcite.rel.convert.ConverterRule

A ConverterRule to replace Calc with BeamCalcRel.

Field Summary

Fields

Modifier and Type	Field and Description
static BeamCalcRule	INSTANCE

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

description, operands, relBuilderFactory

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rel.RelNode	convert(org.apache.calcite.rel.RelNode rel)
boolean	matches(org.apache.calcite.plan.RelOptRuleCall x)

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, convertList, convertOperand, equals, equals, getOperand, getOperands, hashCode, none, operand, operand, operand, operand, operand, some, toString, unordered

Methods inherited from class java.lang.Object

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

Field Detail

INSTANCE

public static final BeamCalcRule INSTANCE

Method Detail

matches

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

Overrides:

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

convert

public org.apache.calcite.rel.RelNode convert(org.apache.calcite.rel.RelNode rel)

Specified by:

convert in class org.apache.calcite.rel.convert.ConverterRule