Which means that sometimes they do not return the correct value - if you
have a trigger that inserts another record you will not get the right value.
MSSQL has @@IDENTITY and SCOPE_IDENTITY() to handle this case, I'm new to
pgsql so I don't know if it has anything like that.
Jerry
"Richard Huxton" <dev@archonet.com> wrote in message
news:4193B30B.40905@archonet.com...
> MaRCeLO PeReiRA wrote:
>
>> How can I now (for sure) with value was generated by
>> the sequence to fill the field ID?
>>
>> (There is lots of users using the software at the same
>> time, so I am not able to use the last_value()
>> function on the sequence.)
>
> Yes you are nextval()/currval() are multi-user safe. They return the
> next/current value *in the current connection*.
>
> --
> Richard Huxton
> Archonet Ltd
>
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