I think this is bad idea. Better you use cursors. 2011/2/10, Alessandro Candini <candini@xxxxxxx>: > Here you are my probably uncommon situation. > > I have installed 4 different instances of postgresql-9.0.2 on the same > machine, on ports 5433, 5434, 5435, 5436. > On these instances I have splitted a huge database, dividing it per date > (from 1995 to 1998 on 5433, from 1999 to 2002 on 5434 and so on...). > Then I have developed a C function using libpq which creates 4 threads, > each one which query a 1/4 of the db. After that I merge the results in > one single response. > > My function works fine, but I need to include it inside a postgresql > instance in order to launch it as a normal SQL query (SELECT myfunc(...);). > Why I have to do something tricky like this is long too explain... > > I have read the documentation here > http://www.postgresql.org/docs/9.0/static/xfunc-sql.html#XFUNC-SQL-FUNCTIONS-RETURNING-SET, > but I'm pretty confuse and I don't know if this is the right way to > accomplish my goal. > > Have you got any ideas or suggestions? > > Thanks a lot! > > -- > Alessandro Candini > > MEEO S.r.l. > Via Saragat 9 > I-44122 Ferrara, Italy > Tel: +39 0532 1861501 > Fax: +39 0532 1861637 > http://www.meeo.it > > ======================================== > "ATTENZIONE:le informazioni contenute in questo messaggio sono > da considerarsi confidenziali ed il loro utilizzo è riservato unicamente > al destinatario sopra indicato. Chi dovesse ricevere questo messaggio > per errore è tenuto ad informare il mittente ed a rimuoverlo > definitivamente da ogni supporto elettronico o cartaceo." > > "WARNING:This message contains confidential and/or proprietary > information which may be subject to privilege or immunity and which > is intended for use of its addressee only. Should you receive this > message in error, you are kindly requested to inform the sender and > to definitively remove it from any paper or electronic format." > > > -- > Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general > -- ------------ pasman -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general