org.apache.drill.exec.planner.logical

Class DrillAggregateRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.drill.exec.planner.logical.DrillAggregateRule

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

Rule that converts an LogicalAggregate to a DrillAggregateRel, implemented by a Drill "segment" operation followed by a "collapseaggregate" operation.

Field Summary

Fields

Modifier and Type	Field and Description
static org.apache.calcite.plan.RelOptRule	INSTANCE
protected static Logger	tracer

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

description, operands

Method Summary

Methods

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, 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 org.apache.calcite.plan.RelOptRule INSTANCE

tracer

protected static final Logger tracer

Method Detail

onMatch

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

Specified by:

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