/* NULL value */ SELECT NULL; SELECT 1 + NULL; SELECT abs(NULL); SELECT NULL + NULL; /* Memory engine */ DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1( col1 Nullable(UInt64), col2 UInt64, col3 Nullable(Array(UInt64)), col4 Array(UInt64), col5 Nullable(String), col6 String, col7 Nullable(Array(String)), col8 Array(String), col9 Array(Nullable(UInt64)), col10 Array(Nullable(String))) Engine = Memory; INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (NULL, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, NULL, [1], 'a', 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], NULL, 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', NULL, ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [NULL], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], [NULL]); SELECT col1, col2, col3, col4, col5, col6, col7, col8, col9, col10 FROM test.test1 ORDER BY col1,col2,col3,col4,col5,col6,col7,col8,col9,col10 ASC; /* TinyLog engine */ DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1( col1 Nullable(UInt64), col2 UInt64, col3 Nullable(Array(UInt64)), col4 Array(UInt64), col5 Nullable(String), col6 String, col7 Nullable(Array(String)), col8 Array(String), col9 Array(Nullable(UInt64)), col10 Array(Nullable(String))) Engine = TinyLog; INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (NULL, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, NULL, [1], 'a', 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], NULL, 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', NULL, ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [NULL], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], [NULL]); SELECT col1, col2, col3, col4, col5, col6, col7, col8, col9, col10 FROM test.test1 ORDER BY col1,col2,col3,col4,col5,col6,col7,col8,col9,col10 ASC; /* Log engine */ DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1( col1 Nullable(UInt64), col2 UInt64, col3 Nullable(Array(UInt64)), col4 Array(UInt64), col5 Nullable(String), col6 String, col7 Nullable(Array(String)), col8 Array(String), col9 Array(Nullable(UInt64)), col10 Array(Nullable(String))) Engine = Log; INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (NULL, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, NULL, [1], 'a', 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], NULL, 'a', ['a'], ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', NULL, ['a'], [1], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [NULL], ['a']); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], [NULL]); SELECT col1, col2, col3, col4, col5, col6, col7, col8, col9, col10 FROM test.test1 ORDER BY col1,col2,col3,col4,col5,col6,col7,col8,col9,col10 ASC; /* MergeTree engine */ DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1( col1 Nullable(UInt64), col2 UInt64, col3 Nullable(Array(UInt64)), col4 Array(UInt64), col5 Nullable(String), col6 String, col7 Nullable(Array(String)), col8 Array(String), col9 Array(Nullable(UInt64)), col10 Array(Nullable(String)), col11 Date) Engine = MergeTree(col11, (col2, col11), 8192); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10,col11) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], ['a'], '1970-01-01'); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10,col11) VALUES (NULL, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], ['a'], '1970-01-01'); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10,col11) VALUES (1, 1, NULL, [1], 'a', 'a', ['a'], ['a'], [1], ['a'], '1970-01-01'); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10,col11) VALUES (1, 1, [1], [1], NULL, 'a', ['a'], ['a'], [1], ['a'], '1970-01-01'); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10,col11) VALUES (1, 1, [1], [1], 'a', 'a', NULL, ['a'], [1], ['a'], '1970-01-01'); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10,col11) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [NULL], ['a'], '1970-01-01'); INSERT INTO test.test1(col1,col2,col3,col4,col5,col6,col7,col8,col9,col10,col11) VALUES (1, 1, [1], [1], 'a', 'a', ['a'], ['a'], [1], [NULL], '1970-01-01'); SELECT col1, col2, col3, col4, col5, col6, col7, col8, col9, col10, col11 FROM test.test1 ORDER BY col1,col2,col3,col4,col5,col6,col7,col8,col9,col10,col11 ASC; /* Insert with expression */ DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(Array(UInt64))) Engine=Memory; INSERT INTO test.test1(col1) VALUES ([1+1]); SELECT col1 FROM test.test1 ORDER BY col1 ASC; /* Insert. Source and target columns have same types up to nullability. */ DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(UInt64), col2 UInt64) Engine=Memory; DROP TABLE IF EXISTS test.test2; CREATE TABLE test.test2(col1 UInt64, col2 Nullable(UInt64)) Engine=Memory; INSERT INTO test.test1(col1,col2) VALUES (2,7)(6,9)(5,1)(4,3)(8,2); INSERT INTO test.test2(col1,col2) SELECT col1,col2 FROM test.test1; SELECT col1,col2 FROM test.test2 ORDER BY col1,col2 ASC; /* Apply functions and aggregate functions on columns that may contain null values */ DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(UInt64), col2 Nullable(UInt64)) Engine=Memory; INSERT INTO test.test1(col1,col2) VALUES (2,7)(NULL,6)(9,NULL)(NULL,NULL)(5,1)(42,42); SELECT col1, col2, col1 + col2, col1 * 7 FROM test.test1 ORDER BY col1,col2 ASC; SELECT sum(col1) FROM test.test1; SELECT sum(col1 * 7) FROM test.test1; /* isNull, isNotNull */ SELECT col1, col2, isNull(col1), isNotNull(col2) FROM test.test1 ORDER BY col1,col2 ASC; /* ifNull, nullIf */ SELECT col1, col2, ifNull(col1,col2) FROM test.test1 ORDER BY col1,col2 ASC; SELECT col1, col2, nullIf(col1,col2) FROM test.test1 ORDER BY col1,col2 ASC; /* coalesce */ SELECT coalesce(NULL); SELECT coalesce(NULL, 1); SELECT coalesce(NULL, NULL, 1); SELECT coalesce(NULL, 42, NULL, 1); SELECT coalesce(NULL, NULL, NULL); SELECT col1, col2, coalesce(col1, col2) FROM test.test1 ORDER BY col1, col2 ASC; SELECT col1, col2, coalesce(col1, col2, 99) FROM test.test1 ORDER BY col1, col2 ASC; /* assumeNotNull */ SELECT res FROM (SELECT col1, assumeNotNull(col1) AS res FROM test.test1) WHERE col1 IS NOT NULL ORDER BY res ASC; /* IS NULL, IS NOT NULL */ SELECT col1 FROM test.test1 WHERE col1 IS NOT NULL ORDER BY col1 ASC; SELECT col1 FROM test.test1 WHERE col1 IS NULL; /* multiIf */ SELECT multiIf(1, NULL, 1, 3, 4); SELECT multiIf(1, 2, 1, NULL, 4); SELECT multiIf(NULL, NULL, NULL); SELECT multiIf(1, 'A', 1, NULL, 'DEF'); SELECT multiIf(1, toFixedString('A', 16), 1, NULL, toFixedString('DEF', 16)); SELECT multiIf(1, [1,2], 1, NULL, [5,6]); SELECT multiIf(1, ['A', 'B'], 1, NULL, ['E', 'F']); SELECT multiIf(NULL, 2, 1, 3, 4); SELECT multiIf(1, 2, NULL, 3, 4); DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(Int8), col2 Nullable(UInt16), col3 Nullable(Float32)) Engine=TinyLog; INSERT INTO test.test1(col1,col2,col3) VALUES (toInt8(1),toUInt16(2),toFloat32(3))(NULL,toUInt16(1),toFloat32(2))(toInt8(1),NULL,toFloat32(2))(toInt8(1),toUInt16(2),NULL); SELECT multiIf(col1 == 1, col2, col2 == 2, col3, col3 == 3, col1, 42) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(cond1 Nullable(UInt8), then1 Int8, cond2 UInt8, then2 Nullable(UInt16), then3 Nullable(Float32)) Engine=TinyLog; INSERT INTO test.test1(cond1,then1,cond2,then2,then3) VALUES(1,1,1,42,99)(0,7,1,99,42)(NULL,6,2,99,NULL); SELECT multiIf(cond1,then1,cond2,then2,then3) FROM test.test1; /* Array functions */ SELECT [NULL]; SELECT [NULL,NULL,NULL]; SELECT [NULL,2,3]; SELECT [1,NULL,3]; SELECT [1,2,NULL]; SELECT [NULL,'b','c']; SELECT ['a',NULL,'c']; SELECT ['a','b',NULL]; /* arrayElement */ /* constant arrays */ SELECT arrayElement([1,NULL,2,3], 1); SELECT arrayElement([1,NULL,2,3], 2); SELECT arrayElement([1,NULL,2,3], 3); SELECT arrayElement([1,NULL,2,3], 4); SELECT arrayElement(['a',NULL,'c','d'], 1); SELECT arrayElement(['a',NULL,'c','d'], 2); SELECT arrayElement(['a',NULL,'c','d'], 3); SELECT arrayElement(['a',NULL,'c','d'], 4); DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 UInt64) Engine=TinyLog; INSERT INTO test.test1(col1) VALUES(1),(2),(3),(4); SELECT arrayElement([1,NULL,2,3], col1) FROM test.test1; /* variable arrays */ DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(UInt64))) Engine=TinyLog; INSERT INTO test.test1(col1) VALUES([2,3,7,NULL]); INSERT INTO test.test1(col1) VALUES([NULL,3,7,4]); INSERT INTO test.test1(col1) VALUES([2,NULL,7,NULL]); INSERT INTO test.test1(col1) VALUES([2,3,NULL,4]); INSERT INTO test.test1(col1) VALUES([NULL,NULL,NULL,NULL]); SELECT arrayElement(col1, 1) FROM test.test1; SELECT arrayElement(col1, 2) FROM test.test1; SELECT arrayElement(col1, 3) FROM test.test1; SELECT arrayElement(col1, 4) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(String))) Engine=TinyLog; INSERT INTO test.test1(col1) VALUES(['a','bc','def',NULL]); INSERT INTO test.test1(col1) VALUES([NULL,'bc','def','ghij']); INSERT INTO test.test1(col1) VALUES(['a',NULL,'def',NULL]); INSERT INTO test.test1(col1) VALUES(['a','bc',NULL,'ghij']); INSERT INTO test.test1(col1) VALUES([NULL,NULL,NULL,NULL]); SELECT arrayElement(col1, 1) FROM test.test1; SELECT arrayElement(col1, 2) FROM test.test1; SELECT arrayElement(col1, 3) FROM test.test1; SELECT arrayElement(col1, 4) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(UInt64)), col2 UInt64) Engine=TinyLog; INSERT INTO test.test1(col1,col2) VALUES([2,3,7,NULL], 1); INSERT INTO test.test1(col1,col2) VALUES([NULL,3,7,4], 2); INSERT INTO test.test1(col1,col2) VALUES([2,NULL,7,NULL], 3); INSERT INTO test.test1(col1,col2) VALUES([2,3,NULL,4],4); INSERT INTO test.test1(col1,col2) VALUES([NULL,NULL,NULL,NULL],3); SELECT arrayElement(col1,col2) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(String)), col2 UInt64) Engine=TinyLog; INSERT INTO test.test1(col1,col2) VALUES(['a','bc','def',NULL], 1); INSERT INTO test.test1(col1,col2) VALUES([NULL,'bc','def','ghij'], 2); INSERT INTO test.test1(col1,col2) VALUES(['a',NULL,'def','ghij'], 3); INSERT INTO test.test1(col1,col2) VALUES(['a','bc',NULL,'ghij'],4); INSERT INTO test.test1(col1,col2) VALUES([NULL,NULL,NULL,NULL],3); SELECT arrayElement(col1,col2) FROM test.test1; /* has */ /* constant arrays */ SELECT has([1,NULL,2,3], 1); SELECT has([1,NULL,2,3], NULL); SELECT has([1,NULL,2,3], 2); SELECT has([1,NULL,2,3], 3); SELECT has([1,NULL,2,3], 4); SELECT has(['a',NULL,'def','ghij'], 'a'); SELECT has(['a',NULL,'def','ghij'], NULL); SELECT has(['a',NULL,'def','ghij'], 'def'); SELECT has(['a',NULL,'def','ghij'], 'ghij'); DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 UInt64) Engine=TinyLog; INSERT INTO test.test1(col1) VALUES(1),(2),(3),(4); SELECT has([1,NULL,2,3], col1) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(UInt64)) Engine=TinyLog; INSERT INTO test.test1(col1) VALUES(1),(2),(3),(4),(NULL); SELECT has([1,NULL,2,3], col1) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 String) Engine=TinyLog; INSERT INTO test.test1(col1) VALUES('a'),('bc'),('def'),('ghij'); SELECT has(['a',NULL,'def','ghij'], col1) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(String)) Engine=TinyLog; INSERT INTO test.test1(col1) VALUES('a'),('bc'),('def'),('ghij'),(NULL); SELECT has(['a',NULL,'def','ghij'], col1) FROM test.test1; /* variable arrays */ DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(UInt64))) Engine=TinyLog; INSERT INTO test.test1(col1) VALUES([2,3,7,NULL]); INSERT INTO test.test1(col1) VALUES([NULL,3,7,4]); INSERT INTO test.test1(col1) VALUES([2,NULL,7,NULL]); INSERT INTO test.test1(col1) VALUES([2,3,NULL,4]); INSERT INTO test.test1(col1) VALUES([NULL,NULL,NULL,NULL]); SELECT has(col1, 2) FROM test.test1; SELECT has(col1, 3) FROM test.test1; SELECT has(col1, 4) FROM test.test1; SELECT has(col1, 5) FROM test.test1; SELECT has(col1, 7) FROM test.test1; SELECT has(col1, NULL) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(String))) Engine=TinyLog; INSERT INTO test.test1(col1) VALUES(['a','bc','def',NULL]); INSERT INTO test.test1(col1) VALUES([NULL,'bc','def','ghij']); INSERT INTO test.test1(col1) VALUES(['a',NULL,'def',NULL]); INSERT INTO test.test1(col1) VALUES(['a','bc',NULL,'ghij']); INSERT INTO test.test1(col1) VALUES([NULL,NULL,NULL,NULL]); SELECT has(col1, 'a') FROM test.test1; SELECT has(col1, 'bc') FROM test.test1; SELECT has(col1, 'def') FROM test.test1; SELECT has(col1, 'ghij') FROM test.test1; SELECT has(col1, NULL) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(UInt64)), col2 UInt64) Engine=TinyLog; INSERT INTO test.test1(col1,col2) VALUES([2,3,7,NULL], 2); INSERT INTO test.test1(col1,col2) VALUES([NULL,3,7,4], 3); INSERT INTO test.test1(col1,col2) VALUES([2,NULL,7,NULL], 7); INSERT INTO test.test1(col1,col2) VALUES([2,3,NULL,4],5); SELECT has(col1,col2) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(UInt64)), col2 Nullable(UInt64)) Engine=TinyLog; INSERT INTO test.test1(col1,col2) VALUES([2,3,7,NULL], 2); INSERT INTO test.test1(col1,col2) VALUES([NULL,3,7,4], 3); INSERT INTO test.test1(col1,col2) VALUES([2,NULL,7,NULL], 7); INSERT INTO test.test1(col1,col2) VALUES([2,3,NULL,4],5); INSERT INTO test.test1(col1,col2) VALUES([NULL,NULL,NULL,NULL],NULL); SELECT has(col1,col2) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(String)), col2 String) Engine=TinyLog; INSERT INTO test.test1(col1,col2) VALUES(['a','bc','def',NULL], 'a'); INSERT INTO test.test1(col1,col2) VALUES([NULL,'bc','def','ghij'], 'bc'); INSERT INTO test.test1(col1,col2) VALUES(['a',NULL,'def','ghij'], 'def'); INSERT INTO test.test1(col1,col2) VALUES(['a','bc',NULL,'ghij'], 'ghij'); SELECT has(col1,col2) FROM test.test1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(String)), col2 Nullable(String)) Engine=TinyLog; INSERT INTO test.test1(col1,col2) VALUES(['a','bc','def',NULL], 'a'); INSERT INTO test.test1(col1,col2) VALUES([NULL,'bc','def','ghij'], 'bc'); INSERT INTO test.test1(col1,col2) VALUES(['a',NULL,'def','ghij'], 'def'); INSERT INTO test.test1(col1,col2) VALUES(['a','bc',NULL,'ghij'], 'ghij'); INSERT INTO test.test1(col1,col2) VALUES([NULL,NULL,NULL,NULL], NULL); SELECT has(col1,col2) FROM test.test1; /* Aggregation */ DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(String), col2 Nullable(UInt8), col3 String) ENGINE=TinyLog; INSERT INTO test.test1(col1,col2,col3) VALUES('A', 0, 'ABCDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('A', 0, 'BACDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('A', 1, 'BCADEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('A', 1, 'BCDAEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('B', 1, 'BCDEAFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('B', 1, 'BCDEFAGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('B', 1, 'BCDEFGAH'); INSERT INTO test.test1(col1,col2,col3) VALUES('B', 1, 'BCDEFGHA'); INSERT INTO test.test1(col1,col2,col3) VALUES('C', 1, 'ACBDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('C', NULL, 'ACDBEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('C', NULL, 'ACDEBFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('C', NULL, 'ACDEFBGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(NULL, 1, 'ACDEFGBH'); INSERT INTO test.test1(col1,col2,col3) VALUES(NULL, NULL, 'ACDEFGHB'); SELECT col1, col2, count() FROM test.test1 GROUP BY col1, col2 ORDER BY col1, col2; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 String, col2 Nullable(UInt8), col3 String) ENGINE=TinyLog; INSERT INTO test.test1(col1,col2,col3) VALUES('A', 0, 'ABCDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('A', 0, 'BACDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('A', 1, 'BCADEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('A', 1, 'BCDAEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('B', 1, 'BCDEAFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('B', 1, 'BCDEFAGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('B', 1, 'BCDEFGAH'); INSERT INTO test.test1(col1,col2,col3) VALUES('B', 1, 'BCDEFGHA'); INSERT INTO test.test1(col1,col2,col3) VALUES('C', 1, 'ACBDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('C', NULL, 'ACDBEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('C', NULL, 'ACDEBFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES('C', NULL, 'ACDEFBGH'); SELECT col1, col2, count() FROM test.test1 GROUP BY col1, col2 ORDER BY col1, col2; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(String), col2 String) ENGINE=TinyLog; INSERT INTO test.test1(col1,col2) VALUES('A', 'ABCDEFGH'); INSERT INTO test.test1(col1,col2) VALUES('A', 'BACDEFGH'); INSERT INTO test.test1(col1,col2) VALUES('A', 'BCADEFGH'); INSERT INTO test.test1(col1,col2) VALUES('A', 'BCDAEFGH'); INSERT INTO test.test1(col1,col2) VALUES('B', 'BCDEAFGH'); INSERT INTO test.test1(col1,col2) VALUES('B', 'BCDEFAGH'); INSERT INTO test.test1(col1,col2) VALUES('B', 'BCDEFGAH'); INSERT INTO test.test1(col1,col2) VALUES('B', 'BCDEFGHA'); INSERT INTO test.test1(col1,col2) VALUES('C', 'ACBDEFGH'); INSERT INTO test.test1(col1,col2) VALUES('C', 'ACDBEFGH'); INSERT INTO test.test1(col1,col2) VALUES('C', 'ACDEBFGH'); INSERT INTO test.test1(col1,col2) VALUES('C', 'ACDEFBGH'); INSERT INTO test.test1(col1,col2) VALUES(NULL, 'ACDEFGBH'); INSERT INTO test.test1(col1,col2) VALUES(NULL, 'ACDEFGHB'); SELECT col1, count() FROM test.test1 GROUP BY col1 ORDER BY col1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(UInt8), col2 String) ENGINE=TinyLog; INSERT INTO test.test1(col1,col2) VALUES(0, 'ABCDEFGH'); INSERT INTO test.test1(col1,col2) VALUES(0, 'BACDEFGH'); INSERT INTO test.test1(col1,col2) VALUES(1, 'BCADEFGH'); INSERT INTO test.test1(col1,col2) VALUES(1, 'BCDAEFGH'); INSERT INTO test.test1(col1,col2) VALUES(1, 'BCDEAFGH'); INSERT INTO test.test1(col1,col2) VALUES(1, 'BCDEFAGH'); INSERT INTO test.test1(col1,col2) VALUES(1, 'BCDEFGAH'); INSERT INTO test.test1(col1,col2) VALUES(1, 'BCDEFGHA'); INSERT INTO test.test1(col1,col2) VALUES(1, 'ACBDEFGH'); INSERT INTO test.test1(col1,col2) VALUES(NULL, 'ACDBEFGH'); INSERT INTO test.test1(col1,col2) VALUES(NULL, 'ACDEBFGH'); INSERT INTO test.test1(col1,col2) VALUES(NULL, 'ACDEFBGH'); SELECT col1, count() FROM test.test1 GROUP BY col1 ORDER BY col1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(UInt64), col2 UInt64, col3 String) ENGINE=TinyLog; INSERT INTO test.test1(col1,col2,col3) VALUES(0, 2, 'ABCDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(0, 3, 'BACDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(1, 5, 'BCADEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(1, 2, 'BCDAEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(1, 3, 'BCDEAFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(1, 5, 'BCDEFAGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(1, 2, 'BCDEFGAH'); INSERT INTO test.test1(col1,col2,col3) VALUES(1, 3, 'BCDEFGHA'); INSERT INTO test.test1(col1,col2,col3) VALUES(1, 5, 'ACBDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(NULL, 2, 'ACDBEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(NULL, 3, 'ACDEBFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(NULL, 3, 'ACDEFBGH'); SELECT col1, col2, count() FROM test.test1 GROUP BY col1, col2 ORDER BY col1, col2; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(UInt64), col2 UInt64, col3 Nullable(UInt64), col4 String) ENGINE=TinyLog; INSERT INTO test.test1(col1,col2,col3,col4) VALUES(0, 2, 1, 'ABCDEFGH'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(0, 3, NULL, 'BACDEFGH'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(1, 5, 1, 'BCADEFGH'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(1, 2, NULL, 'BCDAEFGH'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(1, 3, 1, 'BCDEAFGH'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(1, 5, NULL, 'BCDEFAGH'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(1, 2, 1, 'BCDEFGAH'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(1, 3, NULL, 'BCDEFGHA'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(1, 5, 1, 'ACBDEFGH'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(NULL, 2, NULL, 'ACDBEFGH'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(NULL, 3, 1, 'ACDEBFGH'); INSERT INTO test.test1(col1,col2,col3,col4) VALUES(NULL, 3, NULL, 'ACDEFBGH'); SELECT col1, col2, col3, count() FROM test.test1 GROUP BY col1, col2, col3 ORDER BY col1, col2, col3; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(Array(UInt8)), col2 String) ENGINE=TinyLog; INSERT INTO test.test1(col1,col2) VALUES([0], 'ABCDEFGH'); INSERT INTO test.test1(col1,col2) VALUES([0], 'BACDEFGH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCADEFGH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCDAEFGH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCDEAFGH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCDEFAGH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCDEFGAH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCDEFGHA'); INSERT INTO test.test1(col1,col2) VALUES([1], 'ACBDEFGH'); INSERT INTO test.test1(col1,col2) VALUES(NULL, 'ACDBEFGH'); INSERT INTO test.test1(col1,col2) VALUES(NULL, 'ACDEBFGH'); INSERT INTO test.test1(col1,col2) VALUES(NULL, 'ACDEFBGH'); SELECT col1, count() FROM test.test1 GROUP BY col1 ORDER BY col1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Array(Nullable(UInt8)), col2 String) ENGINE=TinyLog; INSERT INTO test.test1(col1,col2) VALUES([0], 'ABCDEFGH'); INSERT INTO test.test1(col1,col2) VALUES([0], 'BACDEFGH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCADEFGH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCDAEFGH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCDEAFGH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCDEFAGH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCDEFGAH'); INSERT INTO test.test1(col1,col2) VALUES([1], 'BCDEFGHA'); INSERT INTO test.test1(col1,col2) VALUES([1], 'ACBDEFGH'); INSERT INTO test.test1(col1,col2) VALUES([NULL], 'ACDBEFGH'); INSERT INTO test.test1(col1,col2) VALUES([NULL], 'ACDEBFGH'); INSERT INTO test.test1(col1,col2) VALUES([NULL], 'ACDEFBGH'); SELECT col1, count() FROM test.test1 GROUP BY col1 ORDER BY col1; DROP TABLE IF EXISTS test.test1; CREATE TABLE test.test1(col1 Nullable(Array(UInt8)), col2 Array(Nullable(UInt8)), col3 String) ENGINE=TinyLog; INSERT INTO test.test1(col1,col2,col3) VALUES([0], [0], 'ABCDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES([0], [0], 'BACDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES([1], [1], 'BCADEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES([1], [1], 'BCDAEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES([1], [1], 'BCDEAFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES([1], [1], 'BCDEFAGH'); INSERT INTO test.test1(col1,col2,col3) VALUES([1], [1], 'BCDEFGAH'); INSERT INTO test.test1(col1,col2,col3) VALUES([1], [1], 'BCDEFGHA'); INSERT INTO test.test1(col1,col2,col3) VALUES([1], [NULL], 'ACBDEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(NULL, [1], 'ACDBEFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(NULL, [NULL], 'ACDEBFGH'); INSERT INTO test.test1(col1,col2,col3) VALUES(NULL, [NULL], 'ACDEFBGH'); SELECT col1, col2, count() FROM test.test1 GROUP BY col1, col2 ORDER BY col1, col2; SELECT DISTINCT col1, col2 FROM test.test1 ORDER BY col1, col2;