Re: review: psql: edit function, show function commands patch

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От Tom Lane
Тема Re: review: psql: edit function, show function commands patch
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Msg-id 29725.1280688209@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: review: psql: edit function, show function commands patch  (Robert Haas <robertmhaas@gmail.com>)
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Robert Haas <robertmhaas@gmail.com> writes:
> On Sun, Aug 1, 2010 at 11:35 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> Personally, rather than sweat about what the exact definition of line
>> numbers is, I think we should be moving further in the direction of
>> being able to regurgitate source text to identify error locations.

> I basically agree with that; but on the other hand, in a large
> PL/pgsql function, you may have very similar-looking text in multiple
> places.  So line numbers are good, too: but then you weren't proposing
> to remove those, I assume, just to augment them with additional
> information.

Right.  I'm just suggesting that source text is better than line numbers
for exact position identification, so I don't see a lot of value in
preserving historical behaviors that change line numbers by one count
one way or another.  If some of the PLs used zero-based instead of
one-based line numbers, we'd be looking to standardize that not cater to
their individual idiosyncrasies.
        regards, tom lane


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