mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-09-20 08:40:50 +00:00
52 lines
1.2 KiB
SQL
52 lines
1.2 KiB
SQL
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DROP TABLE IF EXISTS test1;
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DROP TABLE IF EXISTS test2;
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CREATE TABLE test1 ( `col1` UInt64, `col2` Int8 ) ENGINE = MergeTree ORDER BY col1;
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CREATE TABLE test2 ( `col1` UInt64, `col3` Int16 ) ENGINE = MergeTree ORDER BY col1;
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INSERT INTO test1 VALUES (123, 123), (12321, -30), (321, -32);
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INSERT INTO test2 VALUES (123, 5600), (321, 5601);
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SET join_use_nulls = 1;
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-- { echoOn }
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SELECT * FROM test1 LEFT JOIN test2 ON test1.col1 = test2.col1
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WHERE test2.col1 IS NULL
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ORDER BY test2.col1
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;
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SELECT * FROM test2 RIGHT JOIN test1 ON test2.col1 = test1.col1
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WHERE test2.col1 IS NULL
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ORDER BY test2.col1
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;
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SELECT * FROM test1 LEFT JOIN test2 ON test1.col1 = test2.col1
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WHERE test2.col1 IS NOT NULL
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ORDER BY test2.col1
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;
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SELECT * FROM test2 RIGHT JOIN test1 ON test2.col1 = test1.col1
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WHERE test2.col1 IS NOT NULL
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ORDER BY test2.col1
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;
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SELECT test2.col1, test1.* FROM test2 RIGHT JOIN test1 ON test2.col1 = test1.col1
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WHERE test2.col1 IS NOT NULL
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ORDER BY test2.col1
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;
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SELECT test2.col3, test1.* FROM test2 RIGHT JOIN test1 ON test2.col1 = test1.col1
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WHERE test2.col1 IS NOT NULL
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ORDER BY test2.col1
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;
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SELECT col2, col2 + 1 FROM test1
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FULL OUTER JOIN test2 USING (col1)
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PREWHERE (col2 * 2) :: UInt8
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;
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DROP TABLE IF EXISTS test1;
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DROP TABLE IF EXISTS test2;
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