Re: Different error messages executing CREATE TABLE or ALTER TABLE to create a column "xmin"

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От Robert Haas
Тема Re: Different error messages executing CREATE TABLE or ALTER TABLE to create a column "xmin"
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Msg-id CA+TgmoaNLwfYzgNUxO7=iuiySY5RTEofrrsWha9N0qY5kZNKHQ@mail.gmail.com
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Ответ на Re: Different error messages executing CREATE TABLE or ALTER TABLE to create a column "xmin"  (Vik Reykja <vikreykja@gmail.com>)
Ответы Re: Different error messages executing CREATE TABLE or ALTER TABLE to create a column "xmin"  (Vik Reykja <vikreykja@gmail.com>)
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On Thu, Jan 26, 2012 at 12:02 PM, Vik Reykja <vikreykja@gmail.com> wrote:
> On Thu, Jan 26, 2012 at 17:58, Robert Haas <robertmhaas@gmail.com> wrote:
>>
>> On Thu, Jan 26, 2012 at 11:29 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
>> > This looks reasonable to me, except that possibly the new error message
>> > text could do with a bit more thought.  It seems randomly unlike the
>> > normal message, and I also have a bit of logical difficulty with the
>> > wording equating a "column" with a "column name".  The wording that
>> > is in use in the existing CREATE TABLE case is
>> >
>> > column name \"%s\" conflicts with a system column name
>> >
>> > We could do worse than to use that verbatim, so as to avoid introducing
>> > a new translatable string.  Another possibility is
>> >
>> > column \"%s\" of relation \"%s\" already exists as a system column
>> >
>> > Or we could keep the primary errmsg the same as it is for a normal
>> > column and instead add a DETAIL explaining that this is a system column.
>>
>> I intended for the message to match the CREATE TABLE case.  I think it
>> does, except I see now that Vik's patch left out the word "name" where
>> the original string has it.  So I'll vote in favor of your first
>> option, above, since that's what I intended anyway.
>
> My intention was to replicate the CREATE TABLE message; I'm not sure how I
> failed on that particular point.  Thank you guys for noticing and fixing it
> (along with all the other corrections).

OK, committed with that further change.

--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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