> > Another thing that this brings up is "hints" to a query. Over the > > years, I have run into situation where the planner wasn't > great. It > > would be nice to try forcing different strategies on the > planner and > > see if performance caan be improved. > > > > you can do this by setting enable_"access_method" type parameters.
No, not generally. Usual problems include join order and wrong index, not only wrong access method. Andreas ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match