text: DROP TABLE IF EXISTS test.group_uniq_str;
  CREATE TABLE test.group_uniq_str ENGINE = Memory AS SELECT number % 10 as id, toString(intDiv((number%10000), 10)) as v FROM system.numbers LIMIT 10000000;
  
  INSERT INTO test.group_uniq_str SELECT 2 as id, toString(number % 100) as v FROM system.numbers LIMIT 1000000;
  INSERT INTO test.group_uniq_str SELECT 5 as id, toString(number % 100) as v FROM system.numbers LIMIT 10000000;
  
  SELECT length(groupUniqArray(v)) FROM test.group_uniq_str GROUP BY id ORDER BY id;
  SELECT length(groupUniqArray(v)) FROM remote('127.0.0.{2,3,4,5}', 'test', 'group_uniq_str') GROUP BY id ORDER BY id;
  SELECT length(groupUniqArray(10)(v)) FROM test.group_uniq_str GROUP BY id ORDER BY id;
  SELECT length(groupUniqArray(10000)(v)) FROM test.group_uniq_str GROUP BY id ORDER BY id;
  
  DROP TABLE IF EXISTS test.group_uniq_str;
  