io.druid.sql.calcite.rule

Class ProjectAggregatePruneUnusedCallRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

io.druid.sql.calcite.rule.ProjectAggregatePruneUnusedCallRule

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

Rule that prunes unused aggregators after a projection.

Field Summary

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

description, operands, relBuilderFactory

Method Summary

Modifier and Type	Method and Description
static ProjectAggregatePruneUnusedCallRule	instance()
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

Method Detail

instance

public static ProjectAggregatePruneUnusedCallRule instance()

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