default	projections	improved_sorting_key	Normal	['d1','key']	SELECT * ORDER BY d1, key
default	projections_2	agg	Aggregate	['name']	SELECT name, max(frequency) AS max_frequency GROUP BY name
default	projections_2	agg_no_key	Aggregate	[]	SELECT max(frequency) AS max_frequency
1
2
improved_sorting_key