On Thursday 26 February 2004 13:30, David Pradier wrote: > Hi everybody, > > i'd like to know if it exists a system of cache for the results of > queries. > > What i'd like to do : > > select whatever_things from (selection_in_cache) where special_conditions; > > The interesting thing would be to have a precalculated > selection_in_cache, especially when selection_in_cache is a very long > list of joins...
You might want to search the archives for the -sql list for a message "Materialized View Summary" - some time this week. That's almost exactly what you want. -- Richard Huxton Archonet Ltd ---------------------------(end of broadcast)--------------------------- TIP 9: the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match