MSSQL rejects the query:
SELECT "repository"."id" FROM "repository"
INNER JOIN "team_repo" ON "team_repo".repo_id="repository".id AND
"repository".is_mirror=1
WHERE (
("repository".owner_id=2 AND "repository".is_private=0)
OR team_repo.team_id IN (1)
)
GROUP BY "repository".id ORDER BY updated_unix DESC
when the order by term (updated_unix) is not included in the group by
term.