org.apache.flink.table.planner.plan.rules.logical

Class FlinkProjectJoinTransposeRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.flink.table.planner.plan.rules.logical.FlinkProjectJoinTransposeRule

public class FlinkProjectJoinTransposeRule
extends org.apache.calcite.plan.RelOptRule

Planner rule that pushes a Project past a Join by splitting the projection into a projection on top of each child of the join.

Nested Class Summary

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

org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

Field Summary

Fields

Modifier and Type	Field and Description
static FlinkProjectJoinTransposeRule	INSTANCE

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor and Description
FlinkProjectJoinTransposeRule(org.apache.calcite.rel.rules.PushProjector.ExprCondition preserveExprCondition, org.apache.calcite.tools.RelBuilderFactory relFactory) Creates a ProjectJoinTransposeRule with an explicit condition.

Method Summary

Modifier and Type	Method and Description
void	onMatch(org.apache.calcite.plan.RelOptRuleCall call)

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

any, 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

Field Detail

INSTANCE

public static final FlinkProjectJoinTransposeRule INSTANCE

Constructor Detail

FlinkProjectJoinTransposeRule

public FlinkProjectJoinTransposeRule(org.apache.calcite.rel.rules.PushProjector.ExprCondition preserveExprCondition,
                                     org.apache.calcite.tools.RelBuilderFactory relFactory)

Creates a ProjectJoinTransposeRule with an explicit condition.

Parameters:

preserveExprCondition - Condition for expressions that should be preserved in the projection

Method Detail

onMatch

public void onMatch(org.apache.calcite.plan.RelOptRuleCall call)

Specified by:

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