org.apache.calcite.sql2rel

Class AuxiliaryConverter.Impl

java.lang.Object

org.apache.calcite.sql2rel.AuxiliaryConverter.Impl

All Implemented Interfaces:

AuxiliaryConverter

Enclosing interface:

AuxiliaryConverter

public static class AuxiliaryConverter.Impl
extends Object
implements AuxiliaryConverter

Simple implementation of AuxiliaryConverter.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.sql2rel.AuxiliaryConverter

AuxiliaryConverter.Impl

Constructor Summary

Constructors

Constructor and Description
Impl(SqlFunction f)

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rex.RexNode	convert(org.apache.calcite.rex.RexBuilder rexBuilder, org.apache.calcite.rex.RexNode groupCall, org.apache.calcite.rex.RexNode e) Converts an expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

Impl

public Impl(SqlFunction f)

Method Detail

convert

public org.apache.calcite.rex.RexNode convert(org.apache.calcite.rex.RexBuilder rexBuilder,
                                              org.apache.calcite.rex.RexNode groupCall,
                                              org.apache.calcite.rex.RexNode e)

Description copied from interface: AuxiliaryConverter

Converts an expression.

Specified by:

convert in interface AuxiliaryConverter

Parameters:

rexBuilder - Rex builder

groupCall - Call to the group function, e.g. "TUMBLE($2, 36000)"

e - Expression holding result of the group function, e.g. "$0"

Returns:

Expression for auxiliary function, e.g. "$0 + 36000" converts the result of TUMBLE to the result of TUMBLE_END