On Tue, 24 Mar 2026 at 10:57, Yugo Nagata <[email protected]> wrote: > > One concern is that CREATE STATISTICS does not allow creating extended > statistics on a single colmun. If we try this, it raises the following error: > > ERROR: extended statistics require at least 2 columns > > Therefore, if we take this approach, we would need to add an exception > to this rule for virtual columns.
I think that would be fine. It makes sense because a virtual column expands to an expression, and we already allow CREATE STATISTICS on a single expression. Regards, Dean
