Re: some possible parser cleaning: drop support column(table) syntax

From: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: some possible parser cleaning: drop support column(table) syntax
Date: 2009-10-22 15:47:32
Message-ID: 162867790910220847o429db6fdraa76fa4d7afd69c1@mail.gmail.com
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2009/10/22 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
>> 2009/10/22 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:
>>> It is not --- it's the recommended solution for emulating computed
>>> columns.  The column-as-f(x) direction maybe isn't terribly exciting,
>>> but the function-as-x.col direction definitely is.
>
>> is it documented?
>
> Yes, see "SQL Functions on Composite Types" (34.4.2 as of CVS HEAD),
> down near the end of that subsection.
>

ok, thank you
Pavel

>                        regards, tom lane
>

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