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32 lines
1.1 KiB
SQL
32 lines
1.1 KiB
SQL
SET merge_tree_read_split_ranges_into_intersecting_and_non_intersecting_injection_probability = 0.0;
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DROP TABLE IF EXISTS ttl_group_by_bug;
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CREATE TABLE ttl_group_by_bug
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(key UInt32, ts DateTime, value UInt32, min_value UInt32 default value, max_value UInt32 default value)
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ENGINE = MergeTree()
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ORDER BY (key, toStartOfInterval(ts, toIntervalMinute(3)), ts)
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TTL ts + INTERVAL 5 MINUTE GROUP BY key, toStartOfInterval(ts, toIntervalMinute(3))
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SET value = sum(value), min_value = min(min_value), max_value = max(max_value), ts=min(toStartOfInterval(ts, toIntervalMinute(3)));
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INSERT INTO ttl_group_by_bug(key, ts, value) SELECT number%5 as key, now() - interval 10 minute + number, 0 FROM numbers(1000);
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OPTIMIZE TABLE ttl_group_by_bug FINAL;
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SELECT *
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FROM
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(
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SELECT
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_part,
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rowNumberInAllBlocks(),
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(key, toStartOfInterval(ts, toIntervalMinute(3)), ts) AS cur,
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lagInFrame((key, toStartOfInterval(ts, toIntervalMinute(3)), ts), 1) OVER () AS prev,
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1
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FROM ttl_group_by_bug
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)
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WHERE cur < prev
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LIMIT 2
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SETTINGS max_threads = 1;
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DROP TABLE IF EXISTS ttl_group_by_bug;
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