mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-01-04 12:22:55 +00:00
142 lines
2.1 KiB
Plaintext
142 lines
2.1 KiB
Plaintext
-- Migrated from DuckDB test: test/sql/setops/test_setops.test
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SELECT 1 UNION ALL SELECT 2 ORDER BY 1;
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+----------+
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| Int64(1) |
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+----------+
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| 1 |
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| 2 |
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+----------+
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SELECT 1, 'a' UNION ALL SELECT 2, 'b' ORDER BY 1;
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+----------+-----------+
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| Int64(1) | Utf8("a") |
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+----------+-----------+
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| 1 | a |
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| 2 | b |
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+----------+-----------+
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SELECT 1, 'a' UNION ALL SELECT 2, 'b' UNION ALL SELECT 3, 'c' ORDER BY 1;
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+----------+-----------+
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| Int64(1) | Utf8("a") |
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+----------+-----------+
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| 1 | a |
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| 2 | b |
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| 3 | c |
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+----------+-----------+
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SELECT 1, 'a' UNION ALL SELECT 2, 'b' UNION ALL SELECT 3, 'c' UNION ALL SELECT 4, 'd' ORDER BY 1;
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+----------+-----------+
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| Int64(1) | Utf8("a") |
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+----------+-----------+
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| 1 | a |
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| 2 | b |
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| 3 | c |
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| 4 | d |
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+----------+-----------+
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-- NULL values
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SELECT NULL UNION SELECT NULL;
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+------+
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| NULL |
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+------+
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+------+
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SELECT NULL EXCEPT SELECT NULL;
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++
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++
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SELECT NULL INTERSECT SELECT NULL;
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+------+
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| NULL |
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+------+
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+------+
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CREATE TABLE test (a INTEGER, b INTEGER, ts TIMESTAMP TIME INDEX);
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Affected Rows: 0
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INSERT INTO test VALUES (11, 1, 1000), (12, 1, 2000), (13, 2, 3000);
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Affected Rows: 3
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-- Table data
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SELECT a FROM test WHERE a < 13 UNION ALL SELECT a FROM test WHERE a = 13 ORDER BY a;
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+----+
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| a |
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+----+
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| 11 |
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| 12 |
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| 13 |
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+----+
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SELECT b FROM test WHERE a < 13 UNION ALL SELECT b FROM test WHERE a > 11 ORDER BY b;
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+---+
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| b |
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+---+
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| 1 |
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| 1 |
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| 1 |
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| 2 |
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+---+
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-- Type mixing
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SELECT 1 UNION ALL SELECT 'asdf';
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+----------+
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| Int64(1) |
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+----------+
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| 1 |
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| asdf |
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+----------+
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-- UNION deduplication
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SELECT 1 UNION SELECT 1;
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+----------+
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| Int64(1) |
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+----------+
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| 1 |
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+----------+
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SELECT 1 EXCEPT SELECT 2;
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+----------+
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| Int64(1) |
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+----------+
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| 1 |
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+----------+
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SELECT 1 EXCEPT SELECT 1;
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++
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++
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SELECT 1 INTERSECT SELECT 1;
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+----------+
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| Int64(1) |
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+----------+
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| 1 |
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+----------+
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SELECT 1 INTERSECT SELECT 2;
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++
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++
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DROP TABLE test;
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Affected Rows: 0
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