Re: Problem with default partition pruning
От | yuzuko |
---|---|
Тема | Re: Problem with default partition pruning |
Дата | |
Msg-id | CAKkQ50-AR185kjHyMgr6-V1GVrrEv+XHxE_UC_fiRa3GvMa5rw@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: Problem with default partition pruning (Ibrar Ahmed <ibrar.ahmad@gmail.com>) |
Список | pgsql-hackers |
Hi Ibrar, On Tue, Mar 5, 2019 at 2:37 AM Ibrar Ahmed <ibrar.ahmad@gmail.com> wrote: > > Hi Yuzuko Hosoya, > > Ignore my last message, I think this is also a legitimate scan on default partition. > Oh, I got it. Thanks a lot. > > On Mon, Mar 4, 2019 at 10:29 PM Ibrar Ahmed <ibrar.ahmad@gmail.com> wrote: >> >> Hi >> >> Patch work fine to me, but I have one test case where default partition still scanned. >> >> postgres=# explain select * from test1 where (id < 10) and true; >> QUERY PLAN >> ------------------------------------------------------------------- >> Append (cost=0.00..55.98 rows=846 width=36) >> -> Seq Scan on test1_1 (cost=0.00..25.88 rows=423 width=36) >> Filter: (id < 10) >> -> Seq Scan on test1_def (cost=0.00..25.88 rows=423 width=36) >> Filter: (id < 10) >> (5 rows) > > > > -- > Ibrar Ahmed -- Best regards, Yuzuko Hosoya NTT Open Source Software Center
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