| From: | Jesper Pedersen <jesper(dot)pedersen(at)redhat(dot)com> |
|---|---|
| To: | Peter Geoghegan <pg(at)bowt(dot)ie> |
| Cc: | Floris Van Nee <florisvannee(at)optiver(dot)com>, David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Dmitry Dolgov <9erthalion6(at)gmail(dot)com>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Kyotaro Horiguchi <horikyota(dot)ntt(at)gmail(dot)com>, Alvaro Herrera <alvherre(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>, 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: | 2020-01-21 17:06:12 |
| Message-ID: | 6b9a48fb-7e86-efc3-6c86-b1a53ad4f360@redhat.com |
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| Lists: | pgsql-hackers |
Hi Peter,
Thanks for your feedback; Dmitry has followed-up with some additional
questions.
On 1/20/20 8:05 PM, Peter Geoghegan wrote:
>> This is definitely not okay.
>
> I suggest that you find a way to add assertions to code like
> _bt_readpage() that verify that we do in fact have the buffer content
> lock.
If you apply the attached patch on master it will fail the test suite;
did you mean something else ?
Best regards,
Jesper
| Attachment | Content-Type | Size |
|---|---|---|
| buffer_locked.txt | text/plain | 1.7 KB |
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