Thomas Kellerer <spam_eater@xxxxxxx> writes: > Belka Lambda wrote on 14.03.2010 01:24: >> Is there a way to "nicely" determine a default value of a table column? A function, which could be used, like: > The defaults are store in pg_attrdef, the corresponding column definitions in pg_attribute. > So you would need to do a join between the two tables, something like: > select c.relname, a.attname, def.adsrc > from pg_attrdef def > join pg_class c on def.adrelid = c.oid > join pg_attribute a on a.attrelid = c.oid and a.attnum = def.adnum > where c.relname = 'the_table_name' Relying on adsrc is a very bad idea. I'd suggest pg_catalog.pg_get_expr(adbin, adrelid) which is what pg_dump uses. regards, tom lane -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general