-- This test checks, that common SQL operations work -- with mixed columns (sparse and full) in table. DROP TABLE IF EXISTS t_sparse_full; CREATE TABLE t_sparse_full (id UInt64, u UInt64, s String) ENGINE = MergeTree ORDER BY id SETTINGS index_granularity = 32, index_granularity_bytes = '10Mi', ratio_of_defaults_for_sparse_serialization = 0.1; SYSTEM STOP MERGES t_sparse_full; INSERT INTO t_sparse_full SELECT number, if (number % 10 = 0, number, 0), if (number % 7 = 0, toString(number), '') FROM numbers(1000); INSERT INTO t_sparse_full SELECT number, number, toString(number) FROM numbers(500); SELECT name, column, serialization_kind FROM system.parts_columns WHERE table = 't_sparse_full' AND database = currentDatabase() AND active ORDER BY name, column; SELECT id, u FROM t_sparse_full ORDER BY id, u LIMIT 4; SELECT '======'; SELECT id, u FROM t_sparse_full ORDER BY id, u LIMIT 4 SETTINGS optimize_read_in_order = 0; SELECT '======'; SELECT id, u, s FROM t_sparse_full ORDER BY u DESC LIMIT 3; SELECT '======'; SELECT id, u, s FROM t_sparse_full WHERE u != 0 ORDER BY u DESC LIMIT 3; SELECT '======'; SELECT id % 3 AS k, sum(u) FROM t_sparse_full WHERE u != 0 GROUP BY k ORDER BY k; SELECT '======'; SELECT uniqExact(u) FROM t_sparse_full WHERE s != ''; SELECT '======'; SELECT toUInt32(s) % 5 AS k, groupUniqArray(u % 4) FROM t_sparse_full WHERE s != '' GROUP BY k ORDER BY k; SELECT max(range(id % 10)[u]) FROM t_sparse_full; SELECT '======'; SELECT id, u, s FROM remote('127.0.0.{1,2}', currentDatabase(), t_sparse_full) ORDER BY id, u, s LIMIT 5; SELECT '======'; SELECT sum(u) FROM t_sparse_full GROUP BY id % 3 AS k WITH TOTALS ORDER BY k; SELECT '======'; SELECT sum(u) AS value FROM t_sparse_full GROUP BY id % 3 AS k WITH ROLLUP ORDER BY value; SELECT '======'; SELECT sum(u) AS value FROM t_sparse_full GROUP BY id % 3 AS k WITH CUBE ORDER BY value; SELECT '======'; SELECT sum(id) FROM t_sparse_full GROUP BY u % 3 AS k ORDER BY k; SELECT '======'; SELECT count() FROM t_sparse_full WHERE u % 4 = 0; SELECT '======'; SELECT count() FROM t_sparse_full WHERE u IN (SELECT u FROM t_sparse_full WHERE id % 4 = 2); SELECT '======'; SELECT DISTINCT u FROM t_sparse_full ORDER BY id LIMIT 5; SELECT '======'; SELECT id, u, s FROM t_sparse_full INNER JOIN ( SELECT number * 3 AS u FROM numbers(10) ) AS t1 USING(u) ORDER BY id, u, s LIMIT 5; SELECT '======'; SELECT id, u, s FROM t_sparse_full FULL JOIN ( SELECT number * 3 AS u FROM numbers(10) ) AS t1 USING(u) ORDER BY id, u, s LIMIT 5; SELECT '======'; SELECT id, u, s FROM (SELECT number * 2 AS u FROM numbers(10)) AS t1 INNER JOIN t_sparse_full USING(u) ORDER BY id, u, s LIMIT 5; SELECT '======'; SELECT id, u, s FROM (SELECT number * 2 AS u FROM numbers(10)) AS t1 FULL JOIN t_sparse_full USING(u) ORDER BY id, u, s LIMIT 5; SELECT '======'; SELECT id, u, s FROM (SELECT u FROM t_sparse_full) AS t1 FULL JOIN t_sparse_full USING(u) ORDER BY id, u, s LIMIT 5; SYSTEM START MERGES t_sparse_full; OPTIMIZE TABLE t_sparse_full FINAL; SELECT '======'; SELECT column, serialization_kind FROM system.parts_columns WHERE table = 't_sparse_full' AND database = currentDatabase() AND active ORDER BY name, column; SELECT '======'; SELECT id, u, s FROM t_sparse_full ORDER BY u DESC LIMIT 3; DROP TABLE t_sparse_full;