"Neil Conway" <[EMAIL PROTECTED]> wrote > > This would also be useful when diagnosing bad query plans: for example, > setting enable_seqscan=false often causes the planner to disregard the > use of *any* sequential scan, anywhere in the plan. The ability to > slightly bump up the cost of particular operations would allow more > alternative plans to be examined. >
This method also has the problem of "enable_seqscan=false" in some situations. I would vote we implement the final general solution like query plan hints directly. Regards, Qingqing ---------------------------(end of broadcast)--------------------------- TIP 1: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly