Re: Dynamic constraint names in ALTER TABLE

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От Tom Lane
Тема Re: Dynamic constraint names in ALTER TABLE
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Msg-id 28253.1316489669@sss.pgh.pa.us
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Ответ на Re: Dynamic constraint names in ALTER TABLE  (patrick keshishian <pkeshish@gmail.com>)
Ответы Re: Dynamic constraint names in ALTER TABLE
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patrick keshishian <pkeshish@gmail.com> writes:
> The question wasn't where does one find the name of the constraint. My
> example demonstrated that I knew how to get that value. The question,
> however, is how do you get that in an ALTER TABLE statement?

You'd need to construct the ALTER statement as a string value and then
EXECUTE it, using a plpgsql function.  (In 9.0 you could use a DO
command, but if you want this to also work in 7.4, it'll have to be a
plain old function.)

            regards, tom lane

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