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@xxxxxxxxxxxx> wrote in message news:4193B30B.40905@xxxxxxxxxxxxxxx > 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 > > ---------------------------(end of broadcast)--------------------------- > TIP 8: explain analyze is your friend > ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster
