Re: pg_lsn cast to/from int8
| От | Craig Ringer |
|---|---|
| Тема | Re: pg_lsn cast to/from int8 |
| Дата | |
| Msg-id | CAMsr+YGGh+FMY1jUcMHWmsvLTB9rjTRUJ6eaRE1A++h-Gd81wQ@mail.gmail.com обсуждение исходный текст |
| Ответ на | Re: pg_lsn cast to/from int8 (Magnus Hagander <magnus@hagander.net>) |
| Ответы |
Re: pg_lsn cast to/from int8
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| Список | pgsql-hackers |
On 26 January 2016 at 22:07, Magnus Hagander <magnus@hagander.net> wrote:
In this case, mostly legacy compatibility. Making an app that works with versions that don't have pg_lsn have a nice path forward to the modern world. Being able to cast from pg_lsn to int8 can also make it easier to work with the values in the client application, though I don't need that for this particular one.
Wouldn't we need a uint8 type for that?
I guess we could just show people negative LSNs if the high bit is set (that being rather unlikely) but still...
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