| From: | Andrei Borodin <x4mmm(at)yandex-team(dot)ru> |
|---|---|
| To: | Melanie Plageman <melanieplageman(at)gmail(dot)com> |
| Cc: | Junwang Zhao <zhjwpku(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Subject: | Re: Using read_stream in index vacuum |
| Date: | 2024-10-21 20:49:27 |
| Message-ID: | 80101729543767@fszgwlsuez7jpill.myt.yp-c.yandex.net |
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| Lists: | pgsql-hackers |
Melanie, thanks for your comments.<br /><br />21.10.2024, 22:34, "Melanie Plageman" <melanieplageman(at)gmail(dot)com>:<br /><blockquote><p></p><p>The whole point of the read stream callback provided by the caller is<br />that the logic to get the next block should be there</p></blockquote>We must get number of blocks after examining last block. But callback returning EOF might be called before. With current API we have to restart.<div><br /></div><div>Removing extension lock will not change this.</div><div><br /></div><div><br /></div><div>Best regards, Andrey Borodin.</div>
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