On 10/11/2011 06:54 PM, J.V. wrote: > If I have a table name, I know how to find the primary key constraint > name, but see no way to find the primary key field name. > > select constraint_name from information_schema.tabale_constraints where > table_name = <table_name> and constraint_type = 'PRIMARY KEY'; > > will return the constraint name, but given the table_name and the > constraint_name, how do I find the database column/field name associated > with that primary key? If you query pg_constraint as I showed you before, you can also get conkey which is an array of smallints pointing at the columns (in pg_attribute) that form the key. Joe -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general