org.apache.beam.sdk.extensions.sql.zetasql

Class BeamZetaSqlCalcSplittingRule

java.lang.Object

org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptRule

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

org.apache.beam.sdk.extensions.sql.zetasql.BeamZetaSqlCalcSplittingRule

public class BeamZetaSqlCalcSplittingRule
extends BeamCalcSplittingRule

A BeamCalcSplittingRule that converts a LogicalCalc to a chain of BeamZetaSqlCalcRel and/or BeamCalcRel via CalcRelSplitter.

Only Java UDFs are implemented using BeamCalcRel. All other expressions are implemented using BeamZetaSqlCalcRel.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptRule

org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

Field Summary

Fields

Modifier and Type	Field and Description
static BeamZetaSqlCalcSplittingRule	INSTANCE

Fields inherited from class org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptRule

description, operands, relBuilderFactory

Method Summary

Modifier and Type	Method and Description
protected CalcRelSplitter.RelType[]	getRelTypes()

Methods inherited from class org.apache.beam.sdk.extensions.sql.impl.rule.BeamCalcSplittingRule

matches, onMatch

Methods inherited from class org.apache.beam.vendor.calcite.v1_28_0.org.apache.calcite.plan.RelOptRule

any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, 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 Detail

INSTANCE

public static final BeamZetaSqlCalcSplittingRule INSTANCE

Method Detail

getRelTypes

protected CalcRelSplitter.RelType[] getRelTypes()

Specified by:

getRelTypes in class BeamCalcSplittingRule