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https://github.com/GreptimeTeam/greptimedb.git
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77223a0f3e
* fix: use alias expr to check commutativity * chore: debug sort * feat: consider alias in window sort optimizer * test: sqlness test * test: update sqlness result
36 lines
1.2 KiB
SQL
36 lines
1.2 KiB
SQL
explain select * from numbers;
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explain select * from numbers order by number desc;
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explain select * from numbers order by number asc;
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explain select * from numbers order by number desc limit 10;
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explain select * from numbers order by number asc limit 10;
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CREATE TABLE test_pk(pk INTEGER PRIMARY KEY, i INTEGER, t TIMESTAMP TIME INDEX) WITH('compaction.type'='twcs', 'compaction.twcs.max_inactive_window_files'='4');
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INSERT INTO test_pk VALUES (1, 1, 1), (2, NULL, 2), (3, 1, 3), (4, 2, 4), (5, 2, 5), (6, NULL, 6);
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-- Test aliasing.
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SELECT i, t AS alias_ts FROM test_pk ORDER BY t DESC LIMIT 5;
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-- Test aliasing.
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SELECT i, t AS alias_ts FROM test_pk ORDER BY alias_ts DESC LIMIT 5;
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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EXPLAIN ANALYZE SELECT i, t AS alias_ts FROM test_pk ORDER BY t DESC LIMIT 5;
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-- SQLNESS REPLACE (-+) -
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-- SQLNESS REPLACE (\s\s+) _
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-- SQLNESS REPLACE (peers.*) REDACTED
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-- SQLNESS REPLACE (metrics.*) REDACTED
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-- SQLNESS REPLACE region=\d+\(\d+,\s+\d+\) region=REDACTED
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EXPLAIN ANALYZE SELECT i, t AS alias_ts FROM test_pk ORDER BY alias_ts DESC LIMIT 5;
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DROP TABLE test_pk;
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