io.druid.sql.calcite.rule

Class CaseFilteredAggregatorRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

io.druid.sql.calcite.rule.CaseFilteredAggregatorRule

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

Rule that converts CASE-style filtered aggregation into true filtered aggregations.

Field Summary

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

description, operands, relBuilderFactory

Method Summary

Modifier and Type	Method and Description
static CaseFilteredAggregatorRule	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 CaseFilteredAggregatorRule 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