mirror of
https://github.com/GreptimeTeam/greptimedb.git
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95b20592ac
* fix: handle flow inserts with default values * test: sqlness * chore: typo * chore: newline * feat(WIP): impure default filler * feat: fill impure default values * test: add test for default fill impure * feat: check for impure * fix: also handle stmt to region * refactor: per review * refactor: per review * chore: rebase fix * chore: clippy * chore: per review
42 lines
824 B
SQL
42 lines
824 B
SQL
CREATE TABLE bytes_log (
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byte INT,
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ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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-- event time
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TIME INDEX(ts)
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);
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CREATE TABLE approx_rate (
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rate DOUBLE,
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time_window TIMESTAMP,
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update_at TIMESTAMP,
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TIME INDEX(time_window)
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);
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CREATE FLOW find_approx_rate SINK TO approx_rate AS
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SELECT
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(max(byte) - min(byte)) / 30.0 as rate,
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date_bin(INTERVAL '30 second', ts) as time_window
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from
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bytes_log
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GROUP BY
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time_window;
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INSERT INTO
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bytes_log (byte)
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VALUES
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(NULL),
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(300);
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-- SQLNESS REPLACE (ADMIN\sFLUSH_FLOW\('\w+'\)\s+\|\n\+-+\+\n\|\s+)[0-9]+\s+\| $1 FLOW_FLUSHED |
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ADMIN FLUSH_FLOW('find_approx_rate');
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-- since ts is default to now(), omit it when querying
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SELECT
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rate
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FROM
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approx_rate;
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DROP FLOW find_approx_rate;
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DROP TABLE bytes_log;
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DROP TABLE approx_rate;
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