SELECT uniqMerge(state) FROM (SELECT initializeAggregation('uniqState', number % 3) AS state FROM system.numbers LIMIT 10000);
SELECT topKWeightedMerge(10)(state) FROM (SELECT initializeAggregation('topKWeightedState(10)', number, number) AS state FROM system.numbers LIMIT 1000);
SELECT topKWeightedMerge(10)(state) FROM (SELECT initializeAggregation('topKWeightedState(10)', 1, number) AS state FROM system.numbers LIMIT 1000);
SELECT topKWeightedMerge(10)(state) FROM (SELECT initializeAggregation('topKWeightedState(10)', number, 1) AS state FROM system.numbers LIMIT 1000);