mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-05-29 19:30:37 +00:00
46e106bcc3
* feat: eable range expr nest * fix: change range expr rewrite format * chore: organize range query tests * chore: change range expr name(e.g. MAX(v) RANGE 5s FILL 6) * chore: add range query test * chore: fix code advice * chore: fix ca
52 lines
1.6 KiB
Plaintext
52 lines
1.6 KiB
Plaintext
CREATE TABLE host (
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ts timestamp(3) time index,
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host STRING PRIMARY KEY,
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val BIGINT,
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);
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Affected Rows: 0
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INSERT INTO TABLE host VALUES
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(0, 'host1', 0),
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(5000, 'host1', null),
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(10000, 'host1', 1),
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(15000, 'host1', null),
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(20000, 'host1', 2),
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(0, 'host2', 3),
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(5000, 'host2', null),
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(10000, 'host2', 4),
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(15000, 'host2', null),
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(20000, 'host2', 5);
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Affected Rows: 10
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-- Test range query in nest sql
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SELECT ts, host, foo FROM (SELECT ts, host, min(val) RANGE '5s' AS foo FROM host ALIGN '5s') WHERE host = 'host1' ORDER BY host, ts;
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+---------------------+-------+-----+
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| ts | host | foo |
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+---------------------+-------+-----+
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| 1970-01-01T00:00:00 | host1 | 0 |
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| 1970-01-01T00:00:05 | host1 | |
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| 1970-01-01T00:00:10 | host1 | 1 |
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| 1970-01-01T00:00:15 | host1 | |
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| 1970-01-01T00:00:20 | host1 | 2 |
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+---------------------+-------+-----+
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SELECT ts, b, min(c) RANGE '5s' FROM (SELECT ts, host AS b, val AS c FROM host WHERE host = 'host1') ALIGN '5s' BY (b) ORDER BY b, ts;
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+---------------------+-------+---------------------------+
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| ts | b | MIN(c) RANGE 5s FILL NULL |
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+---------------------+-------+---------------------------+
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| 1970-01-01T00:00:00 | host1 | 0 |
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| 1970-01-01T00:00:05 | host1 | |
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| 1970-01-01T00:00:10 | host1 | 1 |
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| 1970-01-01T00:00:15 | host1 | |
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| 1970-01-01T00:00:20 | host1 | 2 |
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+---------------------+-------+---------------------------+
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DROP TABLE host;
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Affected Rows: 0
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