No, it would only get the *next* value. Only one increment is performed.
Regards
- Ericson
Erik Price wrote:
>
>
> Ericson Smith wrote:
>
>> While many others use currval(), we tend to grab the next ID provided
>> by nextval('seq') and use that to be inserted with the record. The
>> process is very atomic, and the ID is available to be used by the
>> rest of your program. The only drawback is if your insert query fails
>> there will be a hole in the sequence.
>
>
> So you're saying that you perform a pre-query to fetch the nextval,
> then you include that in your query where you perform the INSERT? I
> see. Since this is all part of the same transaction, the nextval value
> won't overwrite another simultaneous INSERT, I assume. This seems
> like a good way to do it too. I don't mind the holes in the sequence,
> but wouldn't this INSERT cause the sequence to increment the primary
> key yet again?
>
>
>
> Erik
>
>
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