| From: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
|---|---|
| To: | Jeff Davis <pgsql(at)j-davis(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: Inconsistent use of relpages = -1 |
| Date: | 2024-10-24 15:22:16 |
| Message-ID: | d429fdf5641e3bad71c0e9bcd93c814463448db0.camel@cybertec.at |
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| Lists: | pgsql-hackers |
On Thu, 2024-10-24 at 08:03 -0700, Jeff Davis wrote:
> On Thu, 2024-10-24 at 05:01 +0300, Laurenz Albe wrote:
> > What you write above indicates that "relpages" = 0 and "reltuples" >
> > 0
> > would also be acceptable.
>
> As Tom pointed out, that creates a risk that it's interpreted as
> infinite tuple denisity.
>
> The only functional change in my patch is to create the partitioned
> table with relpages=-1 to be more consistent with the value after it's
> analyzed.
Great, then it cannot be wrong. Sorry for the noise!
Yours,
Laurenz Albe
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