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 15:30:41
Message-ID: 162867790910220830u5b0b3834jf15cd81115b953f7@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>:
>>> Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> writes:
>>>> this is syntax column(table) necessary still?
>
>>> There is no reason to remove that.
>
>> do you know somebody who use it? It is dead code.
>
> 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?

regards
Pavel Stehule

>                        regards, tom lane
>

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