SET send_logs_level = 'none'; -- copy-paste for storage log DROP TABLE IF EXISTS test.compression_codec_log; CREATE TABLE test.compression_codec_log( id UInt64 CODEC(LZ4), data String CODEC(ZSTD), ddd Date CODEC(NONE), somenum Float64 CODEC(ZSTD(2)), somestr FixedString(3) CODEC(LZ4HC(7)), othernum Int64 CODEC(Delta) ) ENGINE = Log(); SHOW CREATE TABLE test.compression_codec_log; INSERT INTO test.compression_codec_log VALUES(1, 'hello', toDate('2018-12-14'), 1.1, 'aaa', 5); INSERT INTO test.compression_codec_log VALUES(2, 'world', toDate('2018-12-15'), 2.2, 'bbb', 6); INSERT INTO test.compression_codec_log VALUES(3, '!', toDate('2018-12-16'), 3.3, 'ccc', 7); SELECT * FROM test.compression_codec_log ORDER BY id; INSERT INTO test.compression_codec_log VALUES(2, '', toDate('2018-12-13'), 4.4, 'ddd', 8); DETACH TABLE test.compression_codec_log; ATTACH TABLE test.compression_codec_log; SELECT count(*) FROM test.compression_codec_log WHERE id = 2 GROUP BY id; DROP TABLE IF EXISTS test.compression_codec_log; DROP TABLE IF EXISTS test.compression_codec_multiple_log; CREATE TABLE test.compression_codec_multiple_log ( id UInt64 CODEC(LZ4, ZSTD, NONE, LZ4HC, Delta(4)), data String CODEC(ZSTD(2), NONE, Delta(2), LZ4HC, LZ4, LZ4, Delta(8)), ddd Date CODEC(NONE, NONE, NONE, Delta(1), LZ4, ZSTD, LZ4HC, LZ4HC), somenum Float64 CODEC(Delta(4), LZ4, LZ4, ZSTD(2), LZ4HC(5), ZSTD(3), ZSTD) ) ENGINE = Log(); SHOW CREATE TABLE test.compression_codec_multiple_log; INSERT INTO test.compression_codec_multiple_log VALUES (1, 'world', toDate('2018-10-05'), 1.1), (2, 'hello', toDate('2018-10-01'), 2.2), (3, 'buy', toDate('2018-10-11'), 3.3); SELECT * FROM test.compression_codec_multiple_log ORDER BY id; INSERT INTO test.compression_codec_multiple_log select modulo(number, 100), toString(number), toDate('2018-12-01'), 5.5 * number FROM system.numbers limit 10000; SELECT count(*) FROM test.compression_codec_multiple_log; SELECT count(distinct data) FROM test.compression_codec_multiple_log; SELECT floor(sum(somenum), 1) FROM test.compression_codec_multiple_log; TRUNCATE TABLE test.compression_codec_multiple_log; INSERT INTO test.compression_codec_multiple_log select modulo(number, 100), toString(number), toDate('2018-12-01'), 5.5 * number FROM system.numbers limit 10000; SELECT sum(cityHash64(*)) FROM test.compression_codec_multiple_log; -- copy-paste for storage tiny log DROP TABLE IF EXISTS test.compression_codec_tiny_log; CREATE TABLE test.compression_codec_tiny_log( id UInt64 CODEC(LZ4), data String CODEC(ZSTD), ddd Date CODEC(NONE), somenum Float64 CODEC(ZSTD(2)), somestr FixedString(3) CODEC(LZ4HC(7)), othernum Int64 CODEC(Delta) ) ENGINE = TinyLog(); SHOW CREATE TABLE test.compression_codec_tiny_log; INSERT INTO test.compression_codec_tiny_log VALUES(1, 'hello', toDate('2018-12-14'), 1.1, 'aaa', 5); INSERT INTO test.compression_codec_tiny_log VALUES(2, 'world', toDate('2018-12-15'), 2.2, 'bbb', 6); INSERT INTO test.compression_codec_tiny_log VALUES(3, '!', toDate('2018-12-16'), 3.3, 'ccc', 7); SELECT * FROM test.compression_codec_tiny_log ORDER BY id; INSERT INTO test.compression_codec_tiny_log VALUES(2, '', toDate('2018-12-13'), 4.4, 'ddd', 8); DETACH TABLE test.compression_codec_tiny_log; ATTACH TABLE test.compression_codec_tiny_log; SELECT count(*) FROM test.compression_codec_tiny_log WHERE id = 2 GROUP BY id; DROP TABLE IF EXISTS test.compression_codec_tiny_log; DROP TABLE IF EXISTS test.compression_codec_multiple_tiny_log; CREATE TABLE test.compression_codec_multiple_tiny_log ( id UInt64 CODEC(LZ4, ZSTD, NONE, LZ4HC, Delta(4)), data String CODEC(ZSTD(2), NONE, Delta(2), LZ4HC, LZ4, LZ4, Delta(8)), ddd Date CODEC(NONE, NONE, NONE, Delta(1), LZ4, ZSTD, LZ4HC, LZ4HC), somenum Float64 CODEC(Delta(4), LZ4, LZ4, ZSTD(2), LZ4HC(5), ZSTD(3), ZSTD) ) ENGINE = TinyLog(); SHOW CREATE TABLE test.compression_codec_multiple_tiny_log; INSERT INTO test.compression_codec_multiple_tiny_log VALUES (1, 'world', toDate('2018-10-05'), 1.1), (2, 'hello', toDate('2018-10-01'), 2.2), (3, 'buy', toDate('2018-10-11'), 3.3); SELECT * FROM test.compression_codec_multiple_tiny_log ORDER BY id; INSERT INTO test.compression_codec_multiple_tiny_log select modulo(number, 100), toString(number), toDate('2018-12-01'), 5.5 * number FROM system.numbers limit 10000; SELECT count(*) FROM test.compression_codec_multiple_tiny_log; SELECT count(distinct data) FROM test.compression_codec_multiple_tiny_log; SELECT floor(sum(somenum), 1) FROM test.compression_codec_multiple_tiny_log; TRUNCATE TABLE test.compression_codec_multiple_tiny_log; INSERT INTO test.compression_codec_multiple_tiny_log select modulo(number, 100), toString(number), toDate('2018-12-01'), 5.5 * number FROM system.numbers limit 10000; SELECT sum(cityHash64(*)) FROM test.compression_codec_multiple_tiny_log;