Package com.twilio.kudu.sql.rules

Class KuduSortedAggregationRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

com.twilio.kudu.sql.rules.KuduSortRule

com.twilio.kudu.sql.rules.KuduSortedAggregationRule

public class KuduSortedAggregationRule
extends KuduSortRule

Rule that matches a sort over an aggregation with both sort and aggregation using the same columns. The columns must be a prefix of the primary key of the table. This rule eliminates the need for sorting on the client.

Nested Class Summary

Nested classes/interfaces inherited from class com.twilio.kudu.sql.rules.KuduSortRule

KuduSortRule.KuduFilterVisitor, KuduSortRule.KuduSortWithFilter, KuduSortRule.KuduSortWithoutFilter

Nested classes/interfaces inherited from class org.apache.calcite.plan.RelOptRule

org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

Field Summary

Fields

Modifier and Type	Field	Description
static org.apache.calcite.plan.RelOptRule	SORTED_AGGREGATION_RULE

Fields inherited from class com.twilio.kudu.sql.rules.KuduSortRule

FILTER_SORT_RULE, pkSortColumns, SIMPLE_SORT_RULE

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor	Description
KuduSortedAggregationRule(org.apache.calcite.tools.RelBuilderFactory relBuilderFactory)

Method Summary

Modifier and Type	Method	Description
void	onMatch(org.apache.calcite.plan.RelOptRuleCall call)
protected void	perform(org.apache.calcite.plan.RelOptRuleCall call, org.apache.calcite.rel.core.Sort originalSort, org.apache.calcite.rel.core.Aggregate originalAggregate, KuduToEnumerableRel kuduToEnumerableRel, org.apache.calcite.rel.core.Project project, org.apache.calcite.rel.core.Filter filter, KuduQuery query)

Methods inherited from class com.twilio.kudu.sql.rules.KuduSortRule

canApply, perform

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

any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, matches, none, operand, operand, operand, operand, operand, operandJ, operandJ, some, toString, unordered

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

SORTED_AGGREGATION_RULE

public static final org.apache.calcite.plan.RelOptRule SORTED_AGGREGATION_RULE

Constructor Detail

KuduSortedAggregationRule

public KuduSortedAggregationRule(org.apache.calcite.tools.RelBuilderFactory relBuilderFactory)

Method Detail

perform

protected void perform(org.apache.calcite.plan.RelOptRuleCall call,
                       org.apache.calcite.rel.core.Sort originalSort,
                       org.apache.calcite.rel.core.Aggregate originalAggregate,
                       KuduToEnumerableRel kuduToEnumerableRel,
                       org.apache.calcite.rel.core.Project project,
                       org.apache.calcite.rel.core.Filter filter,
                       KuduQuery query)

onMatch

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

Specified by:

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