GROUP BY ALL with aliased aggregates causes physical plan error

When a SQL query contains 'GROUP BY ALL' and an alias on a projected aggregate column (e.g., 'SELECT COUNT(*) AS c FROM t GROUP BY ALL'), the query fails during physical plan generation with an error indicating the physical plan does not support the logical expression for the aggregate function.

Remove the alias from the aggregate column in the SELECT clause when using GROUP BY ALL. For example, change 'SELECT COUNT(*) AS c FROM t GROUP BY ALL' to 'SELECT COUNT(*) FROM t GROUP BY ALL'. Alternatively, wait for PR #20943 which addresses this bug. If the alias is required for application logic, apply it after retrieving results or use a subquery wrapper.