net.sf.farrago.ojrex
Class FarragoOJRexImplementorTable

java.lang.Object
  org.eigenbase.oj.rex.OJRexImplementorTableImpl
      net.sf.farrago.ojrex.FarragoOJRexImplementorTable

All Implemented Interfaces:

OJRexImplementorTable

Direct Known Subclasses:

FarragoRngImplementorTable

public class FarragoOJRexImplementorTable
extends OJRexImplementorTableImpl

FarragoOJRexImplementorTable implements OJRexImplementorTable with Farrago-specific translations for standard operators and functions.

Version:

$Id: //open/dev/farrago/src/net/sf/farrago/ojrex/FarragoOJRexImplementorTable.java#30 $

Author:

John V. Sichi

Nested Class Summary

Nested classes/interfaces inherited from class org.eigenbase.oj.rex.OJRexImplementorTableImpl

OJRexImplementorTableImpl.OJBasicAggImplementor, OJRexImplementorTableImpl.OJCountAggImplementor, OJRexImplementorTableImpl.OJMinMaxAggImplementor, OJRexImplementorTableImpl.OJSumAggImplementor

Constructor Summary

FarragoOJRexImplementorTable(SqlStdOperatorTable opTab)
Creates a table with all supported standard operators registered.

Method Summary

protected void	initStandard(SqlStdOperatorTable opTab) Registers implementations for the standard set of functions and operators.
protected void	registerBinaryOperator(SqlBinaryOperator op, int ojBinaryExpressionOrdinal)
protected void	registerContextOp(SqlFunction op)
protected void	registerUnaryOperator(SqlPrefixOperator op, int ojUnaryExpressionOrdinal)

Methods inherited from class org.eigenbase.oj.rex.OJRexImplementorTableImpl

get, get, instance, registerOperator

Methods inherited from class java.lang.Object

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

Constructor Detail

FarragoOJRexImplementorTable

public FarragoOJRexImplementorTable(SqlStdOperatorTable opTab)

Creates a table with all supported standard operators registered.

Parameters:

opTab - Operator table

Method Detail

initStandard

protected void initStandard(SqlStdOperatorTable opTab)

Description copied from class: OJRexImplementorTableImpl

Registers implementations for the standard set of functions and operators.

Overrides:

initStandard in class OJRexImplementorTableImpl

registerContextOp

protected void registerContextOp(SqlFunction op)

registerBinaryOperator

protected void registerBinaryOperator(SqlBinaryOperator op,
                                      int ojBinaryExpressionOrdinal)

Overrides:

registerBinaryOperator in class OJRexImplementorTableImpl

registerUnaryOperator

protected void registerUnaryOperator(SqlPrefixOperator op,
                                     int ojUnaryExpressionOrdinal)

Overrides:

registerUnaryOperator in class OJRexImplementorTableImpl