Package 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	Description
static Aggregation	translateAggregateCall(PlannerContext plannerContext, RowSignature rowSignature, VirtualColumnRegistry virtualColumnRegistry, org.apache.calcite.rex.RexBuilder rexBuilder, InputAccessor inputAccessor, 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 Details

translateAggregateCall

@Nullable
public static Aggregation translateAggregateCall(PlannerContext plannerContext,
 RowSignature rowSignature,
 @Nullable
 VirtualColumnRegistry virtualColumnRegistry,
 org.apache.calcite.rex.RexBuilder rexBuilder,
 InputAccessor inputAccessor,
 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.