Re: POC: Cleaning up orphaned files using undo logs
От | Robert Haas |
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Тема | Re: POC: Cleaning up orphaned files using undo logs |
Дата | |
Msg-id | CA+TgmoZvW458WqH+dqmbnLdgg5EyH5g-p4+JZDOvxW96Kq6nFw@mail.gmail.com обсуждение исходный текст |
Ответ на | Re: POC: Cleaning up orphaned files using undo logs (Amit Khandekar <amitdkhan.pg@gmail.com>) |
Ответы |
Re: POC: Cleaning up orphaned files using undo logs
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Список | pgsql-hackers |
On Fri, Jul 19, 2019 at 7:54 AM Amit Khandekar <amitdkhan.pg@gmail.com> wrote: > + * We just want to mask the cid in the undo record header. So > + * only if the partial record in the current page include the undo > + * record header then we need to mask the cid bytes in this page. > + * Otherwise, directly jump to the next record. > Here, I think you mean : "So only if the partial record in the current > page includes the *cid* bytes", rather than "includes the undo record > header" > May be we can say : > We just want to mask the cid. So do the partial record masking only if > the current page includes the cid bytes from the partial record > header. Hmm, but why is it correct to mask the CID at all? Shouldn't that match? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company
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