Package org.eigenbase.rel.convert

Defintes relational expressions and rules for converting between calling conventions.

See:
Description

Interface Summary

ConverterFactory	A ConverterFactory is ...
ConverterRel	A relational expression implements the interface ConverterRel to indicate that it converts a physical attribute, or trait, of a relational expression from one value to another.

Class Summary

ConverterRelImpl	Abstract implementation of ConverterRel.
ConverterRule	Abstract base class for a rule which converts from one calling convention to another without changing semantics.
ConverterRule.ConverterRelOptRuleOperand
FactoryConverterRule	Generic implementation of ConverterRule which lets a ConverterFactory do the work.
NoneConverterRel	NoneConverter converts a plan from inConvention to CallingConvention.NONE_ORDINAL.
TraitMatchingRule	TraitMatchingRule adapts a converter rule, restricting it to fire only when its input already matches the expected output trait.

Package org.eigenbase.rel.convert Description

Defintes relational expressions and rules for converting between calling conventions.

Revision	$Id: //open/dev/farrago/src/org/eigenbase/rel/convert/package.html#5 $
Copyright	Copyright (C) 2005-2009 The Eigenbase Project Copyright (C) 2004-2009 SQLstream, Inc. Copyright (C) 2005-2009 LucidEra, Inc.
Author	Julian Hyde