Hello Tom, I can confirm that adding the indexes used by the deferred constraint triggers solved the issue. Thank you very much for your suggestions. Best regards, Giulio Cesare On 10/24/07, Giulio Cesare Solaroli <giulio.cesare@xxxxxxxxx> wrote: > On 10/24/07, Tom Lane <tgl@xxxxxxxxxxxxx> wrote: > > "Giulio Cesare Solaroli" <giulio.cesare@xxxxxxxxx> writes: > > > How can I try to isolate the trigger taking so long, in oder to > > > understand which is/are the missing index(es)? > > > > Try SET CONSTRAINTS ALL IMMEDIATE and then EXPLAIN ANALYZE the > > delete. This should cause all the triggers to run within the > > scope of the EXPLAIN ANALYZE, and you'll be able to see which > > one(s) are slow. (This assumes you're running a recent release > > of PG; I think EXPLAIN shows trigger times since 8.1 or so.) > > I was thinking about something similar after writing the last message. > > Thank you very much for your attention!! > > Giulio Cesare > ---------------------------(end of broadcast)--------------------------- TIP 7: You can help support the PostgreSQL project by donating at http://www.postgresql.org/about/donate