On Thu, Jul 15, 2021 at 11:32 AM Andrey Lepikhov <a.lepik...@postgrespro.ru> wrote:
> On 5/7/21 23:15, Zhihong Yu wrote: > > On Mon, Jul 5, 2021 at 2:57 AM Andrey Lepikhov > > <a.lepik...@postgrespro.ru <mailto:a.lepik...@postgrespro.ru>> wrote: > > + * Can't imagine situation when join relation already > > exists. But in > > + * the 'partition_join' regression test it happens. > > + * It may be an indicator of possible problems. > > > > Should a log be added in the above case ? > I worked more on this case and found more serious mistake. During > population of additional paths on the existed RelOptInfo we can remove > some previously generated paths that pointed from a higher-level list of > subplans and it could cause to lost of subplan links. I prohibit such > situation (you can read comments in the new version of the patch). > Also, choosing of a cheapest path after appendrel creation was added. > Unstable tests were fixed. > > -- > regards, > Andrey Lepikhov > Postgres Professional > Patch is failing the regression, can you please take a look at that. partition_join ... FAILED 6328 ms -- Ibrar Ahmed