Tom Lane wrote: > BTW, because of MVCC semantics, case 2 covers more ground than you might > think. We are interested in functions whose values cannot change during > a single "scan", ie, while the intra-transaction command counter does > not increment. So functions that do SELECTs are actually guaranteed to > be case 2, even if stuff outside the function is changing the table > being looked at. > > My problem is picking names for the three categories of functions. > Currently we use "with (isCachable)" to identify category 1, but it > seems like this name might actually be more sensible for category 2. > I'm having a hard time picking simple names that convey these meanings > accurately, or even with a reasonable amount of suggestiveness. > > Comments, ideas? >
How about: case 1: Cachable case 2: ScanCachable or Optimizable case 3: NonCachable Joe ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html