In response to Jörg Kiegeland : > Hi, This list, [Perform], is obviously the wrong list for such... > > I want to store a boolean SQL condition in a column "condition_column" > of my table "myTable". > This condition refers to other columns of the same table and shall use > one parameter, e.g. "column1=4 AND colume2+column3=param". > Every row has a different condition in general.. maybe this blog-entry can help you: http://akretschmer.blogspot.com/2007/10/postgresql-formula-in-column-how.html For further questions ask me privat. 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-performance mailing list (pgsql-performance@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance