Loïc Rollus wrote: > It's ok. > Before the insert, The foreign key constraint locked the row. If transaction A and B lock the row with > FK, before doing UPDATE, they were stuck. > I found a solution by creating an "before insert" trigger with a simple SELECT FROM UPDATE on the row. You mean "SELECT FOR UPDATE", richt? Great that you could figure out where the problem was. Yours, Laurenz Albe -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general