On Sat, May 4, 2024 at 11:29 AM Tom Lane wrote:
> I think we intentionally did not bother with preventing this,
> on the grounds that if you were silly enough to name a column
> that way then you deserve any ensuing problems.
Fair enough.
> If we were going to expend any code on the scenario, I'
Joseph Koshakow writes:
> There's a rare edge case in `alter table` that can prevent users from
> dropping a column as shown below
> # create table atacc1(a int, "pg.dropped.1" int);
> CREATE TABLE
> # alter table atacc1 drop column a;
> ERROR: duplicate key value
