Re: Issue with query_is_distinct_for() and grouping sets

On Wed, Oct 22, 2025 at 6:25 PM Richard Guo <guofenglinux@gmail.com> wrote:
> Attached is a patch along the lines of option #2.  The LCOV report
> indicates that there is currently no test coverage for the "else if
> (query->groupingSets)" branch in query_is_distinct_for().  This patch
> also adds test cases to cover that branch.

Here is an updated patch that includes a commit message and adds a new
test case involving DISTINCT clause used with GROUP BY.

- Richard