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Re: functional call named notation clashes with SQL feature

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Bruce Momjian <bruce(at)momjian(dot)us>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: functional call named notation clashes with SQL feature
Date: 2010-05-31 15:07:15
Message-ID: AANLkTilMyzZE71JhZXHqPGiygypleSLjFOUHX70ncIlS@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
2010/5/31 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Bruce Momjian <bruce(at)momjian(dot)us> writes:
>> Tom Lane wrote:
>>> So as far as I can tell, no one is opposed to replacing "expr AS name"
>>> with "name := expr" in the named-parameter syntax.  Obviously we had
>>> better get this done before beta2.  Is anyone actually working on the
>>> code/docs changes?  If not, I'll pick it up.
>
>> If we eventually are going to want to support the ANSI standard "=>"
>> syntax, I am thinking we should just do it now.  The larger question is
>> what justification do we have of not supporting "=>".
>
> Not breaking hstore, as well as any third-party modules that might be
> using that operator name.  Did you not absorb any of the discussion
> so far?
>

can we search thise applications? I know only about hstore module. We
can ask people who use it in own applications. But every major version
of PostgreSQL can breaks compatibility - like 9.0 with variable names
in plpgsql.

Regards
Pavel

>                        regards, tom lane
>
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