| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Andres Freund <andres(at)anarazel(dot)de> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, pgsql-hackers(at)postgresql(dot)org, Maxim Boguk <maxim(dot)boguk(at)gmail(dot)com>, Peter Geoghegan <pg(at)bowt(dot)ie>, Jeremy Finzel <finzelj(at)gmail(dot)com> |
| Subject: | Re: found xmin from before relfrozenxid on pg_catalog.pg_authid |
| Date: | 2018-05-25 21:47:37 |
| Message-ID: | 15665.1527284857@sss.pgh.pa.us |
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| Lists: | pgsql-general pgsql-hackers |
Andres Freund <andres(at)anarazel(dot)de> writes:
> Moving discussion to -hackers. Tom, I think you worked most with this
> code, your input would be appreciated.
Yeah, the assumption in the relcache is that the only part of a nailed
catalog's relcache entry that really needs to be updated intrasession is
the relfilenode mapping. For nailed indexes, we allow updating of some
additional fields, and I guess what has to happen here is that we teach
the code to update some additional fields for nailed tables too.
regards, tom lane
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