text: -- Tags: no-fasttest
  
  DROP TABLE IF EXISTS test_collate;
  DROP TABLE IF EXISTS test_collate_null;
  
  CREATE TABLE test_collate (x UInt32, s LowCardinality(String)) ENGINE=Memory();
  CREATE TABLE test_collate_null (x UInt32, s LowCardinality(Nullable(String))) ENGINE=Memory();
  
  INSERT INTO test_collate VALUES (1, 'Ё'), (1, 'ё'), (1, 'а'), (2, 'А'), (2, 'я'), (2, 'Я');
  INSERT INTO test_collate_null VALUES (1, 'Ё'), (1, 'ё'), (1, 'а'), (2, 'А'), (2, 'я'), (2, 'Я'), (1, null), (2, null);
  
  
  SELECT 'Order by without collate';
  SELECT * FROM test_collate ORDER BY s;
  SELECT 'Order by with collate';
  SELECT * FROM test_collate ORDER BY s COLLATE 'ru';
  
  SELECT 'Order by tuple without collate';
  SELECT * FROM test_collate ORDER BY x, s;
  SELECT 'Order by tuple with collate';
  SELECT * FROM test_collate ORDER BY x, s COLLATE 'ru';
  
  SELECT 'Order by without collate';
  SELECT * FROM test_collate_null ORDER BY s;
  SELECT 'Order by with collate';
  SELECT * FROM test_collate_null ORDER BY s COLLATE 'ru';
  
  SELECT 'Order by tuple without collate';
  SELECT * FROM test_collate_null ORDER BY x, s;
  SELECT 'Order by tuple with collate';
  SELECT * FROM test_collate_null ORDER BY x, s COLLATE 'ru';
  
  
  DROP TABLE test_collate;
  DROP TABLE test_collate_null;
  