dear Andreas, thanks for the answer; yes, round should be the first, but it gives an error: Function round(real, integer) does not exists following this mail (http://archives.postgresql.org/pgsql-bugs/2003-01/msg00074.php) I created a new function and now works! best regards, Pere Andreas Kretschmer-4 wrote: > > In response to pere roca : >> >> hi all, >> >> I update a column based on a division over two real values. It causes a >> huge >> number of decimals that I wanna to limit. >> >> UPDATE point_pol SET taxa_record = ((SELECT ((CASE WHEN numtax>0 THEN >> numtax/numreg ELSE 1 END))) where userid='hello' >> >> taxa_record values are real and with real I cannot limit the decimals. >> I tried to apply a round in the sql sentence but complains that round >> must >> be applied to a single value each time. > > Tray: > > UPDATE point_pol SET taxa_record = round(((SELECT ((CASE WHEN numtax>0 > THEN numtax/numreg ELSE 1 END))),2) ... > > > to round to 2 decimal places. > > > Andreas > -- > Andreas Kretschmer > Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) > GnuPG-ID: 0x3FFF606C, privat 0x7F4584DA http://wwwkeys.de.pgp.net > > -- > Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-general > > -- View this message in context: http://www.nabble.com/simple-limit-of-decimals-tp21455215p21455726.html Sent from the PostgreSQL - general mailing list archive at Nabble.com. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
