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Niladri Adhikary
98d9012f00
fix(promql): irate/idelta return no point for a zero-ms sample gap
Signed-off-by: Niladri Adhikary <niladrix719@gmail.com>
(cherry picked from commit 0dde3a7b70)
Signed-off-by: WenyXu <wenymedia@gmail.com>
31 lines
860 B
SQL
31 lines
860 B
SQL
-- The last two 'sub_ms' samples are 400ns apart and share one millisecond, which
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-- irate and idelta cannot resolve, so they return no point instead of inf.
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-- The 'one_ms' samples are 1ms apart and still produce a rate.
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CREATE TABLE sub_ms_interval (
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job STRING,
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`value` DOUBLE,
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ts TIMESTAMP(9) TIME INDEX,
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PRIMARY KEY(job)
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);
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INSERT INTO sub_ms_interval VALUES
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('sub_ms', 999, 999999900),
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('sub_ms', 10, 999999100),
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('sub_ms', 13, 999999500),
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('one_ms', 10, 998000000),
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('one_ms', 13, 999000000);
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SELECT * FROM sub_ms_interval ORDER BY job, ts;
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TQL EVAL (1, 1, '1s') irate(sub_ms_interval[5s]);
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TQL EVAL (1, 1, '1s') idelta(sub_ms_interval[5s]);
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ADMIN FLUSH_TABLE('sub_ms_interval');
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TQL EVAL (1, 1, '1s') irate(sub_ms_interval[5s]);
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TQL EVAL (1, 1, '1s') idelta(sub_ms_interval[5s]);
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DROP TABLE sub_ms_interval;
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