On 31 Mar 2004, elrik wrote: > [EMAIL PROTECTED] (elrik) wrote in message news:<[EMAIL PROTECTED]>... > > In information i have: > > > > 1. when creating view : PostgreSQL parse the query and stock the tree query. > > 2. when using : PostgreSQL use this tree like a subselect. > > > > my question : Do PostgreSQL makes an analyse of the resulted tree ? > > > I can answer by myself : YES ! > > In fact the probleme is when i have more than 11 tables in the query...
Sounds like you might be wresting with the genetic query optimizer. Try turning up the geqo theshold and see if things work better. ---------------------------(end of broadcast)--------------------------- TIP 7: don't forget to increase your free space map settings
