mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-01-13 08:43:00 +00:00
0e249f69cd
* fix: do not transform exprs in the limit plan * chore: keep some logs for debug * feat: workaround for limit in other rules * test: add sqlness tests for offset 0 * chore: add fixme
55 lines
1.4 KiB
Plaintext
55 lines
1.4 KiB
Plaintext
SELECT * FROM (SELECT SUM(number) FROM numbers LIMIT 100000000000) LIMIT 0;
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EXPLAIN SELECT * FROM (SELECT SUM(number) FROM numbers LIMIT 100000000000) LIMIT 0;
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+---------------+----------------------------------+
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| plan_type | plan |
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+---------------+----------------------------------+
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| logical_plan | MergeScan [is_placeholder=false] |
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| physical_plan | EmptyExec |
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+---------------+----------------------------------+
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EXPLAIN SELECT * FROM (SELECT SUM(number) FROM numbers LIMIT 100000000000) WHERE 1=0;
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+---------------+----------------------------------+
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| plan_type | plan |
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+---------------+----------------------------------+
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| logical_plan | MergeScan [is_placeholder=false] |
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| physical_plan | EmptyExec |
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+---------------+----------------------------------+
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CREATE TABLE test (a TIMESTAMP TIME INDEX, b INTEGER);
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Affected Rows: 0
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INSERT INTO test VALUES (11, 23), (12, 21), (13, 22);
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Affected Rows: 3
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SELECT a FROM test LIMIT 1;
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+-------------------------+
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| a |
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+-------------------------+
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| 1970-01-01T00:00:00.011 |
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+-------------------------+
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SELECT b FROM test ORDER BY b LIMIT 2 OFFSET 0;
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+----+
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| b |
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+----+
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| 21 |
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| 22 |
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+----+
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DROP TABLE test;
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Affected Rows: 0
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