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https://github.com/GreptimeTeam/greptimedb.git
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9ad6c45913
* test: Sqlness tests for distribute mode * ci * fix: resolve PR comments * fix: resolve PR comments
111 lines
1.9 KiB
Plaintext
111 lines
1.9 KiB
Plaintext
CREATE TABLE test(i INTEGER, j INTEGER, t BIGINT TIME INDEX);
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Affected Rows: 0
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INSERT INTO test VALUES (1, 1, 1), (NULL, 1, 2), (1, NULL, 3);
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Affected Rows: 3
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SELECT * FROM test ORDER BY i NULLS FIRST, j NULLS LAST;
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+---+---+---+
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| i | j | t |
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+---+---+---+
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| | 1 | 2 |
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| 1 | 1 | 1 |
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| 1 | | 3 |
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+---+---+---+
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SELECT * FROM test ORDER BY i NULLS FIRST, j NULLS FIRST;
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+---+---+---+
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| i | j | t |
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+---+---+---+
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| | 1 | 2 |
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| 1 | | 3 |
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| 1 | 1 | 1 |
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+---+---+---+
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SELECT * FROM test ORDER BY i NULLS LAST, j NULLS FIRST;
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+---+---+---+
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| i | j | t |
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+---+---+---+
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| 1 | | 3 |
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| 1 | 1 | 1 |
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| | 1 | 2 |
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+---+---+---+
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SELECT i, j, row_number() OVER (PARTITION BY i ORDER BY j NULLS FIRST) FROM test ORDER BY i NULLS FIRST, j NULLS FIRST;
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+---+---+--------------+
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| i | j | ROW_NUMBER() |
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+---+---+--------------+
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| | 1 | 1 |
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| 1 | | 1 |
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| 1 | 1 | 2 |
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+---+---+--------------+
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SELECT i, j, row_number() OVER (PARTITION BY i ORDER BY j NULLS LAST) FROM test ORDER BY i NULLS FIRST, j NULLS FIRST;
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+---+---+--------------+
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| i | j | ROW_NUMBER() |
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+---+---+--------------+
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| | 1 | 1 |
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| 1 | | 2 |
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| 1 | 1 | 1 |
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+---+---+--------------+
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SELECT * FROM test ORDER BY i NULLS FIRST, j NULLS LAST LIMIT 2;
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+---+---+---+
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| i | j | t |
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+---+---+---+
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| | 1 | 2 |
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| 1 | 1 | 1 |
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+---+---+---+
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SELECT * FROM test ORDER BY i NULLS LAST, j NULLS LAST LIMIT 2;
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+---+---+---+
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| i | j | t |
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+---+---+---+
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| 1 | 1 | 1 |
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| 1 | | 3 |
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+---+---+---+
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SELECT * FROM test ORDER BY i;
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+---+---+---+
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| i | j | t |
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+---+---+---+
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| 1 | 1 | 1 |
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| 1 | | 3 |
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| | 1 | 2 |
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+---+---+---+
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SELECT * FROM test ORDER BY i NULLS FIRST;
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+---+---+---+
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| i | j | t |
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+---+---+---+
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| | 1 | 2 |
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| 1 | 1 | 1 |
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| 1 | | 3 |
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+---+---+---+
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SELECT * FROM test ORDER BY i NULLS LAST;
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+---+---+---+
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| i | j | t |
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+---+---+---+
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| 1 | 1 | 1 |
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| 1 | | 3 |
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| | 1 | 2 |
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+---+---+---+
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DROP TABLE test;
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Affected Rows: 1
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