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Re: Common Table Expressions (WITH RECURSIVE) patch - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Common Table Expressions (WITH RECURSIVE) patch
Date
Msg-id 638.1221626909@sss.pgh.pa.us
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In response to Re: Common Table Expressions (WITH RECURSIVE) patch  (Tatsuo Ishii <ishii@postgresql.org>)
Responses Re: Common Table Expressions (WITH RECURSIVE) patch  ("Pavel Stehule" <pavel.stehule@gmail.com>)
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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.
        regards, tom lane

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