Re: [PoC] Improve dead tuple storage for lazy vacuum - Mailing list pgsql-hackers

On Mon, Apr 8, 2024 at 2:07 AM Andres Freund <andres@anarazel.de> wrote:
>
> Looking at the code, the failure isn't suprising anymore:
>         char            data[MaxBlocktableEntrySize];
>         BlocktableEntry *page = (BlocktableEntry *) data;
>
> 'char' doesn't enforce any alignment, but you're storing a BlocktableEntry in
> a char[]. You can't just do that.  Look at how we do that for
> e.g. PGAlignedblock.
>
>
> With the attached minimal fix, the tests pass again.

Thanks, will push this shortly!