Re: Common Table Expressions (WITH RECURSIVE) patch

2008/9/17 Tom Lane <tgl@sss.pgh.pa.us>:
> Tatsuo Ishii <ishii@postgresql.org> writes:
>>> Do we really have to make RECURSIVE a fully reserved keyword?
>
>> According to the standard, RECURSIVE is a reserved keyword, I believe.
>
> Sure, but our general rule is to make keywords no more reserved than
> is absolutely necessary to make the bison grammar unambiguous.  I
> haven't tested, but I'm thinking that if WITH is fully reserved then
> RECURSIVE shouldn't have to be.

I am not sure, if these rule is good. Somebody who develop on
postgresql should have a problems when they will be port to other
databases in future. Reserved words in standards should be respected.

regards
Pavel Stehule

>
>                        regards, tom lane
>
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