On Thu, 2006-05-11 at 20:14 -0400, Tom Lane wrote: > Casey Duncan <[EMAIL PROTECTED]> writes: > > On May 11, 2006, at 4:42 AM, Simon Riggs wrote: > >> As your database is defined, this SQL statement will return > >> approximately 4 trillion rows, by my calculation. As you say, it > >> returns no rows at all when the database is empty. > > > *slaps forehead* I totally missed the "!=" in the where clause, Doh! > > Thanks for hitting me with a clue-stick. > > I'm still wondering why you got "out of memory", though. I'd have > expected that to grind for a really long time, gradually filling your > disk, until you got an out-of-disk-space kind of error; if you didn't > notice and stop it first. There aren't (supposed to be) any long-term > memory leaks in query processing, other than than the known issue of > pending trigger events, which you say you haven't got on this table.
Seems broken either way, OOM or OOD. We need a way to stop runaway queries from happening in the first place. -- Simon Riggs EnterpriseDB http://www.enterprisedb.com ---------------------------(end of broadcast)--------------------------- TIP 5: don't forget to increase your free space map settings