org.apache.hadoop.hive.ql.optimizer.calcite.rules

Class HiveProjectFilterPullUpConstantsRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.hadoop.hive.ql.optimizer.calcite.rules.HiveProjectFilterPullUpConstantsRule

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

Planner rule that infers constant expressions from Filter into a Project operator.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	HiveProjectFilterPullUpConstantsRule.RexReplacer

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 HiveProjectFilterPullUpConstantsRule	INSTANCE
protected static org.slf4j.Logger	LOG

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor and Description
HiveProjectFilterPullUpConstantsRule(Class<? extends org.apache.calcite.rel.core.Project> projectClass, Class<? extends org.apache.calcite.rel.core.Filter> filterClass, org.apache.calcite.tools.RelBuilderFactory relBuilderFactory)

Method Summary

Modifier and Type	Method and Description
boolean	matches(org.apache.calcite.plan.RelOptRuleCall call)
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, 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

LOG

protected static final org.slf4j.Logger LOG

INSTANCE

public static final HiveProjectFilterPullUpConstantsRule INSTANCE

Constructor Detail

HiveProjectFilterPullUpConstantsRule

public HiveProjectFilterPullUpConstantsRule(Class<? extends org.apache.calcite.rel.core.Project> projectClass,
                                            Class<? extends org.apache.calcite.rel.core.Filter> filterClass,
                                            org.apache.calcite.tools.RelBuilderFactory relBuilderFactory)

Method Detail

matches

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

Overrides:

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

onMatch

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

Specified by:

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