Re: getting currval from a sequence - BUG ?

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От Jan Poslusny
Тема Re: getting currval from a sequence - BUG ?
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Msg-id 3C67F2E3.2040800@gingerall.cz
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Ответ на getting currval from a sequence  (tony <tony@animaproductions.com>)
Ответы Re: getting currval from a sequence - BUG ?
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Hi,
select currval('sequence_name');
with quotes should help you. But my pg 7.1.2 throws error
"sequence_name.currval is not yet defined in this session" (possibly bug
?). If I use sequence before calling this (for instance "insert into
mytable values(nextval('sequence_name'));" ), all is OK.

pajout


Bruno Wolff III wrote:

> On Mon, Feb 11, 2002 at 11:42:31AM +0100,
>   tony <tony@animaproductions.com> wrote:
>
>>How does one get the last record from a series of records? I just need
>>the id field which is a sequence field
>>
>
> select max(id) from whatever;
> (This assumes the sequence hasn't rolled over.)
>
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