mirror of
https://github.com/ClickHouse/ClickHouse.git
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26 lines
1.2 KiB
SQL
26 lines
1.2 KiB
SQL
DROP TABLE IF EXISTS Alpha;
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DROP TABLE IF EXISTS Beta;
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CREATE TABLE Alpha (foo String, bar UInt64) ENGINE = Memory;
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CREATE TABLE Beta (foo LowCardinality(String), baz UInt64) ENGINE = Memory;
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INSERT INTO Alpha VALUES ('a', 1);
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INSERT INTO Beta VALUES ('a', 2), ('b', 3);
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SELECT * FROM Alpha FULL JOIN (SELECT 'b' as foo) js2 USING (foo) ORDER BY foo;
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SELECT * FROM Alpha FULL JOIN Beta USING (foo) ORDER BY foo;
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SELECT * FROM Alpha FULL JOIN Beta ON Alpha.foo = Beta.foo ORDER BY foo;
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-- https://github.com/ClickHouse/ClickHouse/issues/20315#issuecomment-789579457
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SELECT materialize(js2.k) FROM (SELECT toLowCardinality(number) AS k FROM numbers(1)) AS js1 FULL OUTER JOIN (SELECT number + 7 AS k FROM numbers(1)) AS js2 USING (k) ORDER BY js2.k;
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SET join_use_nulls = 1;
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SELECT * FROM Alpha FULL JOIN (SELECT 'b' as foo) js2 USING (foo) ORDER BY foo;
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SELECT * FROM Alpha FULL JOIN Beta USING (foo) ORDER BY foo;
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SELECT * FROM Alpha FULL JOIN Beta ON Alpha.foo = Beta.foo ORDER BY foo;
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SELECT materialize(js2.k) FROM (SELECT toLowCardinality(number) AS k FROM numbers(1)) AS js1 FULL OUTER JOIN (SELECT number + 7 AS k FROM numbers(1)) AS js2 USING (k) ORDER BY js2.k;
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DROP TABLE Alpha;
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DROP TABLE Beta;
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