On Thu, Apr 14, 2005 at 10:39:03AM -0700, elein wrote: > All functions could have a cost associated with them, set by the writer of > the function in order for the planner to reorder function calls. > The stonebraker airplane level example was: > select ... from ... where f(id) = 3 and expensive_image_function(img) > The idea, of course is to weight the expensive function so it was > pushed to the end of the execution.
So there was only a constant cost associated with the function? No estimator function, for example? -- Alvaro Herrera (<[EMAIL PROTECTED]>) "If you have nothing to say, maybe you need just the right tool to help you not say it." (New York Times, about Microsoft PowerPoint) ---------------------------(end of broadcast)--------------------------- TIP 2: you can get off all lists at once with the unregister command (send "unregister YourEmailAddressHere" to [EMAIL PROTECTED])