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fix CROSS to INNER JOIN rewrite with [NOT] LIKE

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chertus 2020-02-19 20:22:16 +03:00
parent a47c52a909
commit fa8f07374b
4 changed files with 26 additions and 0 deletions
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4
dbms/src/Interpreters/CrossToInnerJoinVisitor.cpp
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@ -124,6 +124,10 @@ public:
{
/// leave other comparisons as is
}
else if (functionIsLikeOperator(node.name)) /// LIKE, NOT LIKE
{
/// leave as is
}
else if (functionIsInOperator(node.name)) /// IN, NOT IN
{
if (auto ident = node.arguments->children.at(0)->as<ASTIdentifier>())

5
dbms/src/Interpreters/misc.h
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@ -13,4 +13,9 @@ inline bool functionIsInOrGlobalInOperator(const std::string & name)
return functionIsInOperator(name) || name == "globalIn" || name == "globalNotIn";
}
inline bool functionIsLikeOperator(const std::string & name)
{
return name == "like" || name == "notLike";
}
}

3
dbms/tests/queries/0_stateless/01083_cross_to_inner_with_like.reference Normal file
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@ -0,0 +1,3 @@
SELECT \n k, \n r.k, \n name\nFROM n\nALL INNER JOIN \n(\n SELECT *\n FROM r\n HAVING name = \'A\'\n) AS r ON k = r.k\nWHERE (k = r.k) AND (name = \'A\')
SELECT \n k, \n r.k, \n name\nFROM n\nALL INNER JOIN \n(\n SELECT *\n FROM r\n HAVING name LIKE \'A%\'\n) AS r ON k = r.k\nWHERE (k = r.k) AND (name LIKE \'A%\')
SELECT \n k, \n r.k, \n name\nFROM n\nALL INNER JOIN \n(\n SELECT *\n FROM r\n HAVING name NOT LIKE \'A%\'\n) AS r ON k = r.k\nWHERE (k = r.k) AND (name NOT LIKE \'A%\')

14
dbms/tests/queries/0_stateless/01083_cross_to_inner_with_like.sql Normal file
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@ -0,0 +1,14 @@
DROP TABLE IF EXISTS n;
DROP TABLE IF EXISTS r;
CREATE TABLE n (k UInt32) ENGINE = Memory;
CREATE TABLE r (k UInt32, name String) ENGINE = Memory;
SET enable_debug_queries = 1;
ANALYZE SELECT * FROM n, r WHERE n.k = r.k AND r.name = 'A';
ANALYZE SELECT * FROM n, r WHERE n.k = r.k AND r.name LIKE 'A%';
ANALYZE SELECT * FROM n, r WHERE n.k = r.k AND r.name NOT LIKE 'A%';
DROP TABLE n;
DROP TABLE r;