| From: | Jeff Davis <pgsql(at)j-davis(dot)com> |
|---|---|
| To: | Corey Huinker <corey(dot)huinker(at)gmail(dot)com>, "Shinoda, Noriyoshi (SXD Japan FSIP)" <noriyoshi(dot)shinoda(at)hpe(dot)com> |
| Cc: | jian he <jian(dot)universality(at)gmail(dot)com>, Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Nathan Bossart <nathandbossart(at)gmail(dot)com>, Magnus Hagander <magnus(at)hagander(dot)net>, Stephen Frost <sfrost(at)snowman(dot)net>, Ashutosh Bapat <ashutosh(dot)bapat(dot)oss(at)gmail(dot)com>, Peter Smith <smithpb2250(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, "alvherre(at)alvh(dot)no-ip(dot)org" <alvherre(at)alvh(dot)no-ip(dot)org> |
| Subject: | Re: Statistics Import and Export |
| Date: | 2024-10-15 18:21:26 |
| Message-ID: | f4a0cf7975f1ad42a20fcc91be9e938a4f71259d.camel@j-davis.com |
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| Lists: | pgsql-hackers |
On Mon, 2024-10-14 at 21:46 -0400, Corey Huinker wrote:
> It seems that partitioned tables have a relpages of -1
Oh, I see. It appears that there's a special case for partitioned
tables that sets relpages=-1 in do_analyze_rel() around line 680. It's
a bit inconsistent, though, because even partitioned indexes have
relpages=0. Furthermore, the parameter is of type BlockNumber, so
InvalidBlockNumber would make more sense.
Not the cleanest code, but if the value exists, we need to be able to
import it.
Regards,
Jeff Davis
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