io.druid.sql.calcite.planner

Class DruidRexExecutor

java.lang.Object

io.druid.sql.calcite.planner.DruidRexExecutor

All Implemented Interfaces:

org.apache.calcite.rex.RexExecutor

public class DruidRexExecutor
extends Object
implements org.apache.calcite.rex.RexExecutor

A Calcite RexExecutor that reduces Calcite expressions by evaluating them using Druid's own built-in expressions. This ensures that constant reduction is done in a manner consistent with the query runtime.

Constructor Summary

Constructors

Constructor and Description
DruidRexExecutor(PlannerContext plannerContext)

Method Summary

Modifier and Type	Method and Description
void	reduce(org.apache.calcite.rex.RexBuilder rexBuilder, List<org.apache.calcite.rex.RexNode> constExps, List<org.apache.calcite.rex.RexNode> reducedValues)

Methods inherited from class java.lang.Object

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

Constructor Detail

DruidRexExecutor

public DruidRexExecutor(PlannerContext plannerContext)

Method Detail

reduce

public void reduce(org.apache.calcite.rex.RexBuilder rexBuilder,
                   List<org.apache.calcite.rex.RexNode> constExps,
                   List<org.apache.calcite.rex.RexNode> reducedValues)

Specified by:

reduce in interface org.apache.calcite.rex.RexExecutor