Re: Some comments that should've covered MERGE

On 2022-Oct-19, Richard Guo wrote:

> Hi hackers,
> 
> I happened to notice $subject. Attach a trivial patch for that.

Thanks, applied.  I did change the comment atop setTargetTable, which I
thought could use a little bit more detail on what is happening, and
also in its callsite in transformMergeStmt.

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/
"La experiencia nos dice que el hombre peló millones de veces las patatas,
pero era forzoso admitir la posibilidad de que en un caso entre millones,
las patatas pelarían al hombre" (Ijon Tichy)