In response to Zsolt : > > This is our first project using PostgerSQL, where I have a problem I cant solve > on a neat way (I assume PGSQL should provide a nice solution...). > > So we have an old xBase based program we are trying to port to PostgreSQL while > we should keep the original data structure especially the ID fields must be > kept as this IDs are already used in other systems. > > The problem is with two table, one is storing the data of houses the other the > data of tenants in a given houses. > > > > For a given house I would like to start the numbering of tenants from 1. Each > house could have tenant_ID=1, obviously in this case the house_ID will differ. > The combination of tenant_ID and house_ID will be the unique identifier of each > tenant. Do you have PostgreSQL 8.4? If yes, you can use CTE-functions for that. row_number(). Unfortunately, at the moment i haven't access to my database to create an example, maybe later. Regards, Andreas -- Andreas Kretschmer Kontakt: Heynitz: 035242/47150, D1: 0160/7141639 (mehr: -> Header) -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
