mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-20 06:32:08 +00:00
79 lines
4.8 KiB
SQL
79 lines
4.8 KiB
SQL
SET enable_debug_queries = 1;
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SET enable_optimize_predicate_expression = 1;
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-- https://github.com/ClickHouse/ClickHouse/issues/3885
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-- https://github.com/ClickHouse/ClickHouse/issues/5485
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ANALYZE SELECT count() FROM (SELECT a, runningDifference(a) rd FROM ( SELECT * FROM ( SELECT 1 a UNION ALL SELECT 2 a ) ORDER BY a DESC ) WHERE rd=-1 );
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SELECT count() FROM (SELECT a, runningDifference(a) rd FROM ( SELECT * FROM ( SELECT 1 a UNION ALL SELECT 2 a ) ORDER BY a DESC ) WHERE rd=-1 );
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ANALYZE SELECT k, v, d, i FROM (SELECT t.1 AS k, t.2 AS v, runningDifference(v) AS d, runningDifference(cityHash64(t.1)) AS i FROM ( SELECT arrayJoin([('a', 1), ('a', 2), ('a', 3), ('b', 11), ('b', 13), ('b', 15)]) AS t)) WHERE i = 0;
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SELECT k, v, d, i FROM (SELECT t.1 AS k, t.2 AS v, runningDifference(v) AS d, runningDifference(cityHash64(t.1)) AS i FROM ( SELECT arrayJoin([('a', 1), ('a', 2), ('a', 3), ('b', 11), ('b', 13), ('b', 15)]) AS t)) WHERE i = 0;
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-- https://github.com/ClickHouse/ClickHouse/issues/5682
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ANALYZE SELECT co,co2,co3,num FROM ( SELECT co,co2,co3,count() AS num FROM ( SELECT 1 AS co,2 AS co2 ,3 AS co3 ) GROUP BY cube (co,co2,co3) ) WHERE co!=0 AND co2 !=2;
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SELECT co,co2,co3,num FROM ( SELECT co,co2,co3,count() AS num FROM ( SELECT 1 AS co,2 AS co2 ,3 AS co3 ) GROUP BY cube (co,co2,co3) ) WHERE co!=0 AND co2 !=2;
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-- https://github.com/ClickHouse/ClickHouse/issues/6734
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ANALYZE SELECT alias AS name FROM ( SELECT name AS alias FROM system.settings ) ANY INNER JOIN ( SELECT name FROM system.settings ) USING (name) WHERE name = 'enable_optimize_predicate_expression';
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SELECT alias AS name FROM ( SELECT name AS alias FROM system.settings ) ANY INNER JOIN ( SELECT name FROM system.settings ) USING (name) WHERE name = 'enable_optimize_predicate_expression';
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-- https://github.com/ClickHouse/ClickHouse/issues/6767
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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DROP TABLE IF EXISTS view1;
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CREATE TABLE t1 (id UInt32, value1 String ) ENGINE ReplacingMergeTree() ORDER BY id;
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CREATE TABLE t2 (id UInt32, value2 String ) ENGINE ReplacingMergeTree() ORDER BY id;
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CREATE TABLE t3 (id UInt32, value3 String ) ENGINE ReplacingMergeTree() ORDER BY id;
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INSERT INTO t1 (id, value1) VALUES (1, 'val11');
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INSERT INTO t2 (id, value2) VALUES (1, 'val21');
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INSERT INTO t3 (id, value3) VALUES (1, 'val31');
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CREATE VIEW IF NOT EXISTS view1 AS SELECT t1.id AS id, t1.value1 AS value1, t2.value2 AS value2, t3.value3 AS value3 FROM t1 LEFT JOIN t2 ON t1.id = t2.id LEFT JOIN t3 ON t1.id = t3.id WHERE t1.id > 0;
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SELECT * FROM view1 WHERE id = 1;
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DROP TABLE IF EXISTS t1;
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DROP TABLE IF EXISTS t2;
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DROP TABLE IF EXISTS t3;
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DROP TABLE IF EXISTS view1;
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-- https://github.com/ClickHouse/ClickHouse/issues/7136
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ANALYZE SELECT ccc FROM ( SELECT 1 AS ccc UNION ALL SELECT * FROM ( SELECT 2 AS ccc ) ANY INNER JOIN ( SELECT 2 AS ccc ) USING (ccc) ) WHERE ccc > 1;
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SELECT ccc FROM ( SELECT 1 AS ccc UNION ALL SELECT * FROM ( SELECT 2 AS ccc ) ANY INNER JOIN ( SELECT 2 AS ccc ) USING (ccc) ) WHERE ccc > 1;
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-- https://github.com/ClickHouse/ClickHouse/issues/5674
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-- https://github.com/ClickHouse/ClickHouse/issues/4731
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-- https://github.com/ClickHouse/ClickHouse/issues/4904
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DROP TABLE IF EXISTS A;
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DROP TABLE IF EXISTS B;
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CREATE TABLE A (ts DateTime, id String, id_b String) ENGINE = MergeTree PARTITION BY toStartOfHour(ts) ORDER BY (ts,id);
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CREATE TABLE B (ts DateTime, id String, id_c String) ENGINE = MergeTree PARTITION BY toStartOfHour(ts) ORDER BY (ts,id);
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ANALYZE SELECT ts, id, id_b, b.ts, b.id, id_c FROM (SELECT ts, id, id_b FROM A) AS a ALL LEFT JOIN B AS b ON b.id = a.id_b WHERE a.ts <= toDateTime('1970-01-01 03:00:00');
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ANALYZE SELECT ts AS `--a.ts`, id AS `--a.id`, id_b AS `--a.id_b`, b.ts AS `--b.ts`, b.id AS `--b.id`, id_c AS `--b.id_c` FROM (SELECT ts, id, id_b FROM A) AS a ALL LEFT JOIN B AS b ON `--b.id` = `--a.id_b` WHERE `--a.ts` <= toDateTime('1970-01-01 03:00:00');
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DROP TABLE IF EXISTS A;
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DROP TABLE IF EXISTS B;
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-- https://github.com/ClickHouse/ClickHouse/issues/7802
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DROP TABLE IF EXISTS test;
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CREATE TABLE test ( A Int32, B Int32 ) ENGINE = Memory();
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INSERT INTO test VALUES(1, 2)(0, 3)(1, 4)(0, 5);
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SELECT B, neighbor(B, 1) AS next_B FROM (SELECT * FROM test ORDER BY B);
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SELECT B, neighbor(B, 1) AS next_B FROM (SELECT * FROM test ORDER BY B) WHERE A == 1;
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SELECT B, next_B FROM (SELECT A, B, neighbor(B, 1) AS next_B FROM (SELECT * FROM test ORDER BY B)) WHERE A == 1;
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DROP TABLE IF EXISTS test;
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ANALYZE SELECT * FROM (SELECT * FROM system.one) WHERE arrayMap(x -> x + 1, [dummy]) = [1];
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SELECT * FROM (SELECT * FROM system.one) WHERE arrayMap(x -> x + 1, [dummy]) = [1];
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ANALYZE SELECT * FROM (SELECT 1 AS id, 2 AS value) INNER JOIN (SELECT 1 AS id, 3 AS value_1) USING id WHERE arrayMap(x -> x + value + value_1, [1]) = [6];
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SELECT * FROM (SELECT 1 AS id, 2 AS value) INNER JOIN (SELECT 1 AS id, 3 AS value_1) USING id WHERE arrayMap(x -> x + value + value_1, [1]) = [6];
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