SET send_logs_level = 'none'; SET any_join_distinct_right_table_keys = 1; SET joined_subquery_requires_alias = 0; DROP TABLE IF EXISTS test_00597; DROP TABLE IF EXISTS test_view_00597; CREATE TABLE test_00597(date Date, id Int8, name String, value Int64) ENGINE = MergeTree(date, (id, date), 8192); CREATE VIEW test_view_00597 AS SELECT * FROM test_00597; INSERT INTO test_00597 VALUES('2000-01-01', 1, 'test string 1', 1); INSERT INTO test_00597 VALUES('2000-01-01', 2, 'test string 2', 2); SET enable_optimize_predicate_expression = 1; SET enable_debug_queries = 1; SELECT '-------No need for predicate optimization, but still works-------'; SELECT 1; SELECT 1 AS id WHERE id = 1; SELECT arrayJoin([1,2,3]) AS id WHERE id = 1; SELECT * FROM test_00597 WHERE id = 1; SELECT '-------Forbid push down-------'; -- ARRAY JOIN ANALYZE SELECT count() FROM (SELECT [number] a, [number * 2] b FROM system.numbers LIMIT 1) AS t ARRAY JOIN a, b WHERE NOT ignore(a + b); SELECT count() FROM (SELECT [number] a, [number * 2] b FROM system.numbers LIMIT 1) AS t ARRAY JOIN a, b WHERE NOT ignore(a + b); -- LEFT JOIN ANALYZE SELECT a, b FROM (SELECT 1 AS a) ANY LEFT JOIN (SELECT 1 AS a, 1 AS b) USING (a) WHERE b = 0; SELECT a, b FROM (SELECT 1 AS a) ANY LEFT JOIN (SELECT 1 AS a, 1 AS b) USING (a) WHERE b = 0; -- RIGHT JOIN ANALYZE SELECT a, b FROM (SELECT 1 AS a, 1 as b) ANY RIGHT JOIN (SELECT 1 AS a) USING (a) WHERE b = 0; SELECT a, b FROM (SELECT 1 AS a, 1 as b) ANY RIGHT JOIN (SELECT 1 AS a) USING (a) WHERE b = 0; -- FULL JOIN ANALYZE SELECT a, b FROM (SELECT 1 AS a) ANY FULL JOIN (SELECT 1 AS a, 1 AS b) USING (a) WHERE b = 0; SELECT a, b FROM (SELECT 1 AS a) ANY FULL JOIN (SELECT 1 AS a, 1 AS b) USING (a) WHERE b = 0; ANALYZE SELECT a, b FROM (SELECT 1 AS a, 1 AS b) ANY FULL JOIN (SELECT 1 AS a) USING (a) WHERE b = 0; SELECT a, b FROM (SELECT 1 AS a) ANY FULL JOIN (SELECT 1 AS a, 1 AS b) USING (a) WHERE b = 0; SELECT '-------Need push down-------'; ANALYZE SELECT toString(value) AS value FROM (SELECT 1 AS value) WHERE value = '1'; SELECT toString(value) AS value FROM (SELECT 1 AS value) WHERE value = '1'; ANALYZE SELECT * FROM (SELECT 1 AS id UNION ALL SELECT 2) WHERE id = 1; SELECT * FROM (SELECT 1 AS id UNION ALL SELECT 2) WHERE id = 1; ANALYZE SELECT * FROM (SELECT arrayJoin([1, 2, 3]) AS id) WHERE id = 1; SELECT * FROM (SELECT arrayJoin([1, 2, 3]) AS id) WHERE id = 1; ANALYZE SELECT id FROM (SELECT arrayJoin([1, 2, 3]) AS id) WHERE id = 1; SELECT id FROM (SELECT arrayJoin([1, 2, 3]) AS id) WHERE id = 1; ANALYZE SELECT * FROM (SELECT 1 AS id, (SELECT 1) as subquery) WHERE subquery = 1; SELECT * FROM (SELECT 1 AS id, (SELECT 1) as subquery) WHERE subquery = 1; -- Optimize predicate expressions using tables ANALYZE SELECT * FROM (SELECT toUInt64(b) AS a, sum(id) AS b FROM test_00597) WHERE a = 3; SELECT * FROM (SELECT toUInt64(b) AS a, sum(id) AS b FROM test_00597) WHERE a = 3; ANALYZE SELECT date, id, name, value FROM (SELECT date, name, value, min(id) AS id FROM test_00597 GROUP BY date, name, value) WHERE id = 1; SELECT date, id, name, value FROM (SELECT date, name, value, min(id) AS id FROM test_00597 GROUP BY date, name, value) WHERE id = 1; ANALYZE SELECT * FROM (SELECT toUInt64(b) AS a, sum(id) AS b FROM test_00597 AS table_alias) AS outer_table_alias WHERE outer_table_alias.b = 3; SELECT * FROM (SELECT toUInt64(b) AS a, sum(id) AS b FROM test_00597 AS table_alias) AS outer_table_alias WHERE outer_table_alias.b = 3; -- Optimize predicate expression with asterisk ANALYZE SELECT * FROM (SELECT * FROM test_00597) WHERE id = 1; SELECT * FROM (SELECT * FROM test_00597) WHERE id = 1; -- Optimize predicate expression with asterisk and nested subquery ANALYZE SELECT * FROM (SELECT * FROM (SELECT * FROM test_00597)) WHERE id = 1; SELECT * FROM (SELECT * FROM (SELECT * FROM test_00597)) WHERE id = 1; -- Optimize predicate expression with qualified asterisk ANALYZE SELECT * FROM (SELECT b.* FROM (SELECT * FROM test_00597) AS b) WHERE id = 1; SELECT * FROM (SELECT b.* FROM (SELECT * FROM test_00597) AS b) WHERE id = 1; -- Optimize predicate expression without asterisk ANALYZE SELECT * FROM (SELECT date, id, name, value FROM test_00597) WHERE id = 1; SELECT * FROM (SELECT date, id, name, value FROM test_00597) WHERE id = 1; -- Optimize predicate expression without asterisk and contains nested subquery ANALYZE SELECT * FROM (SELECT date, id, name, value FROM (SELECT date, id, name, value FROM test_00597)) WHERE id = 1; SELECT * FROM (SELECT date, id, name, value FROM (SELECT date, id, name, value FROM test_00597)) WHERE id = 1; -- Optimize predicate expression with qualified ANALYZE SELECT * FROM (SELECT * FROM test_00597) AS b WHERE b.id = 1; SELECT * FROM (SELECT * FROM test_00597) AS b WHERE b.id = 1; -- Optimize predicate expression with qualified and nested subquery ANALYZE SELECT * FROM (SELECT * FROM (SELECT * FROM test_00597) AS a) AS b WHERE b.id = 1; SELECT * FROM (SELECT * FROM (SELECT * FROM test_00597) AS a) AS b WHERE b.id = 1; -- Optimize predicate expression with aggregate function ANALYZE SELECT * FROM (SELECT id, date, min(value) AS value FROM test_00597 GROUP BY id, date) WHERE id = 1; SELECT * FROM (SELECT id, date, min(value) AS value FROM test_00597 GROUP BY id, date) WHERE id = 1; -- Optimize predicate expression with union all query ANALYZE SELECT * FROM (SELECT * FROM test_00597 UNION ALL SELECT * FROM test_00597) WHERE id = 1; SELECT * FROM (SELECT * FROM test_00597 UNION ALL SELECT * FROM test_00597) WHERE id = 1; -- Optimize predicate expression with join query ANALYZE SELECT * FROM (SELECT * FROM test_00597) ANY LEFT JOIN (SELECT * FROM test_00597) USING id WHERE id = 1; SELECT * FROM (SELECT * FROM test_00597) ANY LEFT JOIN (SELECT * FROM test_00597) USING id WHERE id = 1; ANALYZE SELECT * FROM (SELECT toInt8(1) AS id) ANY LEFT JOIN test_00597 USING id WHERE value = 1; SELECT * FROM (SELECT toInt8(1) AS id) ANY LEFT JOIN test_00597 USING id WHERE value = 1; -- FIXME: no support for aliased tables for now. ANALYZE SELECT b.value FROM (SELECT toInt8(1) AS id) ANY LEFT JOIN test_00597 AS b USING id WHERE value = 1; SELECT b.value FROM (SELECT toInt8(1) AS id) ANY LEFT JOIN test_00597 AS b USING id WHERE value = 1; -- Optimize predicate expression with join and nested subquery ANALYZE SELECT * FROM (SELECT * FROM (SELECT * FROM test_00597) ANY LEFT JOIN (SELECT * FROM test_00597) USING id) WHERE id = 1; SELECT * FROM (SELECT * FROM (SELECT * FROM test_00597) ANY LEFT JOIN (SELECT * FROM test_00597) USING id) WHERE id = 1; -- Optimize predicate expression with join query and qualified ANALYZE SELECT * FROM (SELECT * FROM test_00597) ANY LEFT JOIN (SELECT * FROM test_00597) AS b USING id WHERE b.id = 1; SELECT * FROM (SELECT * FROM test_00597) ANY LEFT JOIN (SELECT * FROM test_00597) AS b USING id WHERE b.id = 1; -- Compatibility test ANALYZE SELECT * FROM (SELECT toInt8(1) AS id, toDate('2000-01-01') AS date FROM system.numbers LIMIT 1) ANY LEFT JOIN (SELECT * FROM test_00597) AS b USING date, id WHERE b.date = toDate('2000-01-01'); SELECT * FROM (SELECT toInt8(1) AS id, toDate('2000-01-01') AS date FROM system.numbers LIMIT 1) ANY LEFT JOIN (SELECT * FROM test_00597) AS b USING date, id WHERE b.date = toDate('2000-01-01'); ANALYZE SELECT * FROM (SELECT * FROM (SELECT * FROM test_00597) AS a ANY LEFT JOIN (SELECT * FROM test_00597) AS b ON a.id = b.id) WHERE id = 1; SELECT * FROM (SELECT * FROM (SELECT * FROM test_00597) AS a ANY LEFT JOIN (SELECT * FROM test_00597) AS b ON a.id = b.id) WHERE id = 1; DROP TABLE IF EXISTS test_00597; DROP TABLE IF EXISTS test_view_00597;