| From: | Dmitry Dolgov <9erthalion6(at)gmail(dot)com> |
|---|---|
| To: | Floris Van Nee <florisvannee(at)optiver(dot)com> |
| Cc: | Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, "jesper(dot)pedersen(at)redhat(dot)com" <jesper(dot)pedersen(at)redhat(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, James Coleman <jtc331(at)gmail(dot)com>, Rafia Sabih <rafia(dot)pghackers(at)gmail(dot)com>, Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, Bhushan Uparkar <bhushan(dot)uparkar(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru> |
| Subject: | Re: Index Skip Scan |
| Date: | 2019-09-02 13:28:08 |
| Message-ID: | CA+q6zcWUs2eoYwfRj==2zjrUqoaqo57R=fQHAxAhLqu-z6P4vQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
> On Wed, Aug 28, 2019 at 9:32 PM Floris Van Nee <florisvannee(at)optiver(dot)com> wrote:
>
> I'm afraid I did manage to find another incorrect query result though
Yes, it's an example of what I was mentioning before, that the current modified
implementation of `_bt_readpage` wouldn't work well in case of going between
pages. So far it seems that the only problem we can have is when previous and
next items located on a different pages. I've checked how this issue can be
avoided, I hope I will post a new version relatively soon.
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