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

Class HiveRemoveSqCountCheck

java.lang.Object

org.apache.calcite.plan.RelOptRule

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

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

Planner rule that removes UDF sq_count_check from a plan if group by keys in a subquery are constant and there is no windowing or grouping sets

Field Summary

Fields

Modifier and Type	Field and Description
static HiveRemoveSqCountCheck	INSTANCE

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor and Description
HiveRemoveSqCountCheck()

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, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, 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 HiveRemoveSqCountCheck INSTANCE

Constructor Detail

HiveRemoveSqCountCheck

public HiveRemoveSqCountCheck()

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