Hi,
On Fri, 2025-06-20 at 09:46 +0800, James Pang wrote:
> same OS RHEL8, install pgv14.11 and pgv18.beta1_3, both installation
> by RPM from pgdg, and use similar postgresql.conf.
<snip>
> 18.beta1
> postgres=# \timing on
> Timing is on.
> postgres=# select * from tt where b ~~ 'a%';
> a | b
> ---+---
> (0 rows)
>
> Time: 78.532 ms
> postgres=# select * from tt where b ~~ 'a%'
> postgres-# ;
> a | b
> ---+---
> (0 rows)
>
> Time: 83.516 ms
> postgres=# select * from tt where b ~~ 'a%';
> a | b
> ---+---
> (0 rows)
It's likely because v18 beta RPMs are built with --enable-debug and
--enable-cassert . See the note on yum.postgresql.org:
https://yum.postgresql.org/rpmchart/#pg18
Regards,
--
Devrim Gündüz
Open Source Solution Architect, PostgreSQL Major Contributor
BlueSky: @devrim.gunduz.org , @gunduz.org