Hi
I made a slight update to the patch
> > > I found some more places that should use appendPQExrBufferStr instead
> > of appendPQExpBuffer.
> > >
> > > Here is the patch.
> >
> > Seems like a good idea. Please add it to the next commitfest.
>
> Thanks, added it to the next commitfest.
> https://commitfest.postgresql.org/30/2735/
Best regards,
houzj