Re: ALTER TABLE ADD COLUMN column SERIAL -- unexpected results

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От Tom Lane
Тема Re: ALTER TABLE ADD COLUMN column SERIAL -- unexpected results
Дата
Msg-id 16628.995310133@sss.pgh.pa.us
обсуждение исходный текст
Ответ на ALTER TABLE ADD COLUMN column SERIAL -- unexpected results  ("Rod Taylor" <rbt@barchord.com>)
Ответы Re: ALTER TABLE ADD COLUMN column SERIAL -- unexpected results
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"Rod Taylor" <rbt@barchord.com> writes:
> Running:
>  ALTER TABLE table ADD COLUMN column SERIAL;
>  Defines a column as int4 but does not create the sequence or attempt
> to set the default value.

Yeah ... SERIAL is implemented as a hack in the parsing of CREATE
TABLE, but there's no corresponding hack in ALTER TABLE.  A bug,
no doubt about it, but I don't much like the obvious fix of duplicating
the hack in two places.  Isn't there a cleaner way to deal with this
"data type"?
        regards, tom lane


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