On 9 May 2011 15:56, Mark Proctor <mproc...@codehaus.org> wrote:
> On 09/05/2011 12:40, Wolfgang Laun wrote:
>
>
> But the following does not permit indexing:
> <any RHS expression from above> == <fieldname>
>
> I don't understand this question as there is no join process in the RHS,
> and thus no possible indexing.
>
>
I thought that a very simple transformation could fold this back into
<fieldname> == <any RHS expression from above>
If the "indexable" forms can be detected by checking the 1st operand and the
operator, surely the same is possible for testing the 2nd operand, followed
by swapping operands.
Example:
Person( name == "Fred" )
same as
Person( "Fred" == name )
But I don't think that this is an important feature - just wanted to make
sure what is, and what is not carried over from legacy.
Thanks
Wolfgang
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