On 2/20/24 16:53, Tom Lane wrote:
> =?UTF-8?Q?Erik_Nordstr=C3=B6m?= writes:
>> I noticed that, beginning with PG16, grouped aggregates are missing the
>> "Group Key" in the EXPLAIN output.
>
>> It seems the Agg node has numCols (number of grouping cols) set to zero in
>> queries like
>
>> SELECT
=?UTF-8?Q?Erik_Nordstr=C3=B6m?= writes:
> I noticed that, beginning with PG16, grouped aggregates are missing the
> "Group Key" in the EXPLAIN output.
> It seems the Agg node has numCols (number of grouping cols) set to zero in
> queries like
> SELECT foo, count(*) FROM bar WHERE foo=1 GROUP BY
