AFAICS, we'd just have to revert this patch later, so I don't see
much value in it.
True, I suppose we should apply this patch just for consistency, because we
don't allow expression in included columns.
Also, is it really true that we don't support included expression
columns now? In what way would that not be a bug?
Because index only scan doesn't support expression index and, hence, expressions
in included columns are not useful. It could be changed in future but, suppose,
not in v11.
--
Teodor Sigaev E-mail: teo...@sigaev.ru
WWW: http://www.sigaev.ru/
