Hi All: Sorry for the delay. Once I saw Tom's reply on Nov 15, I tried his suggestion about "whether we need to restrict the optimization so that it doesn't occur if the subquery contains outer references falling outside available_rels. " quickly, I'm sure such a restriction can fix the bad case Richard provided. But even Tom "I'm not at all clear about ..", I'd like to prepare myself better for this discussion and that took some time. Then an internal urgent project occupied my attention, the project is still in-progress now:(
> There has been no updates on this thread for some time, so this has > been switched as Returned with Feedback. Feel free to open it in the > next commitfest if you plan to continue on this. > > Thank you vignesh C for this, I didn't give up yet, probably I can come back in the following month. -- Best Regards Andy Fan
