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

Class HiveIntersectMergeRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

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

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

Planner rule that merges multiple intersect into one Before the rule, it is intersect-branch1 |-----intersect-branch2 |-----branch3 After the rule, it becomes intersect-branch1 |-----branch2 |-----branch3 HiveIntersect

Field Summary

Fields

Modifier and Type	Field and Description
static HiveIntersectMergeRule	INSTANCE

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

description, operands, relBuilderFactory

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, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, 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 HiveIntersectMergeRule INSTANCE

Method Detail

onMatch

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

Specified by:

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