"Scott Marlowe" <scott.marlowe@xxxxxxxxx> writes: > On Nov 16, 2007 11:59 AM, <xeb@xxxxxxx> wrote: >> Does anybody know what does the subj means and why it occures ? > You're giving us WAY too little information to troubleshoot this problem. Indeed, but it seems to have something to do with a broken selectivity estimator function (see restriction_selectivity()). What PG version is this? Do you have any add-on datatypes or operators installed? Exactly what is the query that triggers the problem? regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 2: Don't 'kill -9' the postmaster