Like on https://quarry.wmflabs.org/query/29876, an empty query that result in the absence of resultset
10.0.2.2 - - [23/Sep/2018 13:18:26] "GET /run/53/output/0/json HTTP/1.1" 500 - Traceback (most recent call last): File "/srv/venv/lib/python3.5/site-packages/flask/app.py", line 2309, in __call__ return self.wsgi_app(environ, start_response) File "/srv/venv/lib/python3.5/site-packages/flask/app.py", line 2295, in wsgi_app response = self.handle_exception(e) File "/srv/venv/lib/python3.5/site-packages/flask/app.py", line 1741, in handle_exception reraise(exc_type, exc_value, tb) File "/srv/venv/lib/python3.5/site-packages/flask/_compat.py", line 35, in reraise raise value File "/srv/venv/lib/python3.5/site-packages/flask/app.py", line 2292, in wsgi_app response = self.full_dispatch_request() File "/srv/venv/lib/python3.5/site-packages/flask/app.py", line 1815, in full_dispatch_request rv = self.handle_user_exception(e) File "/srv/venv/lib/python3.5/site-packages/flask/app.py", line 1718, in handle_user_exception reraise(exc_type, exc_value, tb) File "/srv/venv/lib/python3.5/site-packages/flask/_compat.py", line 35, in reraise raise value File "/srv/venv/lib/python3.5/site-packages/flask/app.py", line 1813, in full_dispatch_request rv = self.dispatch_request() File "/srv/venv/lib/python3.5/site-packages/flask/app.py", line 1799, in dispatch_request return self.view_functions[rule.endpoint](**req.view_args) File "/vagrant/quarry/web/app.py", line 296, in output_result response = output.get_formatted_response(format, qrun, reader, resultset_id) File "/vagrant/quarry/web/output.py", line 13, in get_formatted_response return json_formatter(queryrun, reader, resultset_id) File "/vagrant/quarry/web/output.py", line 102, in json_formatter header = next(rows) File "/vagrant/quarry/web/results.py", line 102, in get_rows cur.execute('SELECT * FROM %s ORDER BY __id__' % table_name) sqlite3.OperationalError: no such table: resultset_0