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add bugs test

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zhang2014 2020-01-06 11:55:07 +08:00
parent 6a5e3e2dd9
commit f8aa0b90b1
3 changed files with 69 additions and 1 deletions
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7
dbms/src/Interpreters/PredicateRewriteVisitor.cpp
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@ -2,6 +2,7 @@
#include <Parsers/ASTFunction.h>
#include <Parsers/ASTAsterisk.h>
#include <Parsers/ASTSubquery.h>
#include <Parsers/ASTIdentifier.h>
#include <Parsers/ASTColumnsMatcher.h>
#include <Parsers/ASTQualifiedAsterisk.h>
@ -68,7 +69,11 @@ void PredicateRewriteVisitorData::visitOtherInternalSelect(ASTSelectQuery & sele
static void cleanAliasAndCollectIdentifiers(ASTPtr & predicate, std::vector<ASTIdentifier *> & identifiers)
{
for (auto & children : predicate->children)
cleanAliasAndCollectIdentifiers(children, identifiers);
{
if (!children->as<ASTSubquery>()) /// skip where x in (SELECT ...)
cleanAliasAndCollectIdentifiers(children, identifiers);
}
if (const auto alias = predicate->tryGetAlias(); !alias.empty())
predicate->setAlias("");

18
dbms/tests/queries/0_stateless/01056_predicate_optimizer_bugs.reference Normal file
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@ -0,0 +1,18 @@
SELECT count()\nFROM \n(\n SELECT \n a, \n runningDifference(a) AS rd\n FROM \n (\n SELECT a\n FROM \n (\n SELECT 1 AS a\n UNION ALL\n SELECT 2 AS a\n )\n ORDER BY a DESC\n )\n WHERE rd = -1\n)
1
SELECT \n k, \n v, \n d, \n i\nFROM \n(\n SELECT \n t.1 AS k, \n t.2 AS v, \n runningDifference(v) AS d, \n runningDifference(xxHash32(t.1)) AS i\n FROM \n (\n SELECT arrayJoin([(\'a\', 1), (\'a\', 2), (\'a\', 3), (\'b\', 11), (\'b\', 13), (\'b\', 15)]) AS t\n )\n)\nWHERE i = 0
a 1 0 0
a 2 1 0
a 3 1 0
b 13 2 0
b 15 2 0
SELECT \n co, \n co2, \n co3, \n num\nFROM \n(\n SELECT \n co, \n co2, \n co3, \n count() AS num\n FROM \n (\n SELECT \n 1 AS co, \n 2 AS co2, \n 3 AS co3\n )\n GROUP BY \n co, \n co2, \n co3\n WITH CUBE\n HAVING (co != 0) AND (co2 != 2)\n)\nWHERE (co != 0) AND (co2 != 2)
1 0 3 1
1 0 0 1
SELECT alias AS name\nFROM \n(\n SELECT name AS alias\n FROM system.settings\n WHERE alias = \'enable_optimize_predicate_expression\'\n)\nANY INNER JOIN \n(\n SELECT name\n FROM system.settings\n) USING (name)\nWHERE name = \'enable_optimize_predicate_expression\'
enable_optimize_predicate_expression
1 val11 val21 val31
SELECT ccc\nFROM \n(\n SELECT 1 AS ccc\n WHERE 0\n UNION ALL\n SELECT ccc\n FROM \n (\n SELECT 2 AS ccc\n )\n ANY INNER JOIN \n (\n SELECT 2 AS ccc\n ) USING (ccc)\n WHERE ccc > 1\n)\nWHERE ccc > 1
2
SELECT \n ts, \n id, \n id_b, \n b.ts, \n b.id, \n id_c\nFROM \n(\n SELECT \n ts, \n id, \n id_b\n FROM A\n WHERE ts <= toDateTime(\'1970-01-01 03:00:00\')\n) AS a\nALL LEFT JOIN B AS b ON b.id = id_b\nWHERE ts <= toDateTime(\'1970-01-01 03:00:00\')
SELECT \n ts AS `--a.ts`, \n id AS `--a.id`, \n id_b AS `--a.id_b`, \n b.ts AS `--b.ts`, \n b.id AS `--b.id`, \n id_c AS `--b.id_c`\nFROM \n(\n SELECT \n ts, \n id, \n id_b\n FROM A\n WHERE ts <= toDateTime(\'1970-01-01 03:00:00\')\n) AS a\nALL LEFT JOIN B AS b ON `--b.id` = `--a.id_b`\nWHERE `--a.ts` <= toDateTime(\'1970-01-01 03:00:00\')

45
dbms/tests/queries/0_stateless/01056_predicate_optimizer_bugs.sql Normal file
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@ -0,0 +1,45 @@
SET enable_debug_queries = 1;
SET enable_optimize_predicate_expression = 1;
-- https://github.com/ClickHouse/ClickHouse/issues/3885
-- https://github.com/ClickHouse/ClickHouse/issues/5485
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 );
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 );
ANALYZE SELECT k, v, d, i FROM (SELECT t.1 AS k, t.2 AS v, runningDifference(v) AS d, runningDifference(xxHash32(t.1)) AS i FROM ( SELECT arrayJoin([('a', 1), ('a', 2), ('a', 3), ('b', 11), ('b', 13), ('b', 15)]) AS t)) WHERE i = 0;
SELECT k, v, d, i FROM (SELECT t.1 AS k, t.2 AS v, runningDifference(v) AS d, runningDifference(xxHash32(t.1)) AS i FROM ( SELECT arrayJoin([('a', 1), ('a', 2), ('a', 3), ('b', 11), ('b', 13), ('b', 15)]) AS t)) WHERE i = 0;
-- https://github.com/ClickHouse/ClickHouse/issues/5682
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;
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;
-- https://github.com/ClickHouse/ClickHouse/issues/6734
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';
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';
-- https://github.com/ClickHouse/ClickHouse/issues/6767
CREATE TABLE t1 (id UInt32, value1 String ) ENGINE ReplacingMergeTree() ORDER BY id;
CREATE TABLE t2 (id UInt32, value2 String ) ENGINE ReplacingMergeTree() ORDER BY id;
CREATE TABLE t3 (id UInt32, value3 String ) ENGINE ReplacingMergeTree() ORDER BY id;
INSERT INTO t1 (id, value1) VALUES (1, 'val11');
INSERT INTO t2 (id, value2) VALUES (1, 'val21');
INSERT INTO t3 (id, value3) VALUES (1, 'val31');
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;
SELECT * FROM view1 WHERE id = 1;
-- https://github.com/ClickHouse/ClickHouse/issues/7136
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;
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;
-- https://github.com/ClickHouse/ClickHouse/issues/5674
-- https://github.com/ClickHouse/ClickHouse/issues/4731
-- https://github.com/ClickHouse/ClickHouse/issues/4904
CREATE TABLE A (ts DateTime, id String, id_b String) ENGINE = MergeTree PARTITION BY toStartOfHour(ts) ORDER BY (ts,id);
CREATE TABLE B (ts DateTime, id String, id_c String) ENGINE = MergeTree PARTITION BY toStartOfHour(ts) ORDER BY (ts,id);
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');
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');