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

Class BeamProjectRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.rel.convert.ConverterRule

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

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

A ConverterRule to replace Project with BeamProjectRel.

Field Summary

Fields

Modifier and Type	Field and Description
static BeamProjectRule	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)

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, matches, 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 BeamProjectRule INSTANCE

Method Detail

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