org.apache.druid.sql.calcite.rule

Class GroupByRules

java.lang.Object

org.apache.druid.sql.calcite.rule.GroupByRules

public class GroupByRules
extends Object

Method Summary

Modifier and Type	Method and Description
static Aggregation	translateAggregateCall(PlannerContext plannerContext, RowSignature rowSignature, VirtualColumnRegistry virtualColumnRegistry, org.apache.calcite.rex.RexBuilder rexBuilder, org.apache.calcite.rel.core.Project project, List<Aggregation> existingAggregations, String name, org.apache.calcite.rel.core.AggregateCall call, boolean finalizeAggregations) Translate an AggregateCall to Druid equivalents.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

translateAggregateCall

public static Aggregation translateAggregateCall(PlannerContext plannerContext,
                                                 RowSignature rowSignature,
                                                 VirtualColumnRegistry virtualColumnRegistry,
                                                 org.apache.calcite.rex.RexBuilder rexBuilder,
                                                 org.apache.calcite.rel.core.Project project,
                                                 List<Aggregation> existingAggregations,
                                                 String name,
                                                 org.apache.calcite.rel.core.AggregateCall call,
                                                 boolean finalizeAggregations)

Translate an AggregateCall to Druid equivalents.

Returns:

translated aggregation, or null if translation failed.