Cleaning up the has_comments SQL query

cycledash/views.py

@@ -61,11 +61,9 @@ def runs():
     elif request.method == 'GET':
         with tables(db, 'vcfs', 'user_comments') as (con, vcfs, user_comments):
             joined = vcfs.outerjoin(user_comments, vcfs.c.id == user_comments.c.vcf_id)
-            # distinct is needed because user_comments.vcf_id is duplicated across
-            # user_comment rows
             num_comments = func.count(user_comments.c.vcf_id).label('num_comments')
             q = select(vcfs.c + [num_comments]).select_from(joined).group_by(
-                user_comments.c.vcf_id, vcfs.c.id).order_by(desc(vcfs.c.id))
+                vcfs.c.id).order_by(desc(vcfs.c.id))
             vcfs = [dict(v) for v in con.execute(q).fetchall()]
         if 'text/html' in request.accept_mimetypes:
             return render_template('runs.html', runs=vcfs, run_kvs=RUN_ADDL_KVS)