> Yes. _Everything_ is in a transaction in PostgreSQL. If you don't > explicitly do BEGIN. . .COMMIT, then the system does it implicitly > for each statement. > >> if yes each time my trigger select a data >> and update then the value returned by the read are the value before the >> transaction. It's true ? if yes my question are : also in the same >> transaction (like my trigger) ? >> > > Your trigger function runs inside the transaction of the calling > statement, unless you have explicitly started a transaction. > Not possible from a trigger
> I'm starting to get the impression you have a misunderstanding of how > PostgreSQL works. I think you maybe need to spend some more time > with the manual. If you find the English version puzzling, you can > also work in French (at http://docs.postgresqlfr.org/) or German (I > see a translation at > http://www.postgresql.org/docs/books/pghandbuch.html.de; I dunno if > there's a more recent one). Sorry, AFAIK there isn't one in Dutch. > Yes true, It's my first step with postgres but also with a relationnal database. But I'm sure that with COPY the data are not correctly updated and if I edit the file loaded by the COPY command and adapt it with each line with a command INSERT all work fine. Guy ---------------------------(end of broadcast)--------------------------- TIP 6: explain analyze is your friend