Re: DDL result is lost by CREATE DATABASE with WAL_LOG strategy

On Thu, Feb 16, 2023 at 5:37 AM Nathan Bossart <nathandbossart@gmail.com> wrote:
>
> On Wed, Feb 15, 2023 at 04:49:38AM +0000, Ryo Matsumura (Fujitsu) wrote:
> > The above is occured by the following call.
> > The argument 'permanent' of ReadBufferWithoutRelcache() is passed to
> > BufferAlloc() as 'relpersistence'.
> >
> > [src/backend/commands/]
> >  298         buf = ReadBufferWithoutRelcache(rnode, MAIN_FORKNUM, blkno,
> >  299                                         RBM_NORMAL, bstrategy, false);
>
> Indeed, setting that to true (as per the attached patch) seems to fix this.
> I don't see any reason this _shouldn't_ be true from what I've read so far.
> We're reading pg_class, which will probably never be UNLOGGED.

Yes, there is no reason to pass this as false, seems like this is
passed false by mistake.  And your patch fixes the issue.

-- 
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com