mirror of
https://github.com/GreptimeTeam/greptimedb.git
synced 2026-01-07 05:42:57 +00:00
d20b592fe8
* fix: reorder correct schema * tests: reorder insert handled correctly * chore: rm unused * refactor: per review * chore: more comment * chore: per review
186 lines
4.7 KiB
Plaintext
186 lines
4.7 KiB
Plaintext
-- test if reordered insert is correctly handled
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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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Affected Rows: 0
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-- TODO(discord9): remove this after auto infer table's time index is impl
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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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Affected Rows: 0
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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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Affected Rows: 0
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SHOW CREATE TABLE approx_rate;
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+-------------+--------------------------------------------+
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| Table | Create Table |
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+-------------+--------------------------------------------+
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| approx_rate | CREATE TABLE IF NOT EXISTS "approx_rate" ( |
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| | "rate" DOUBLE NULL, |
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| | "time_window" TIMESTAMP(3) NOT NULL, |
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| | "update_at" TIMESTAMP(3) NULL, |
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| | TIME INDEX ("time_window") |
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| | ) |
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| | |
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| | ENGINE=mito |
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+-------------+--------------------------------------------+
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-- reordered insert, also test if null is handled correctly
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INSERT INTO
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bytes_log (ts, byte)
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VALUES
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('2023-01-01 00:00:01', NULL),
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('2023-01-01 00:00:29', 300);
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Affected Rows: 2
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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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+--------------------------------------+
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| ADMIN FLUSH_FLOW('find_approx_rate') |
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+--------------------------------------+
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| FLOW_FLUSHED |
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+--------------------------------------+
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SELECT
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rate,
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time_window
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FROM
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approx_rate;
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+------+---------------------+
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| rate | time_window |
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+------+---------------------+
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| 0.0 | 2023-01-01T00:00:00 |
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+------+---------------------+
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-- reordered insert, also test if null is handled correctly
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INSERT INTO
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bytes_log (ts, byte)
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VALUES
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('2022-01-01 00:00:01', NULL),
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('2022-01-01 00:00:29', NULL);
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Affected Rows: 2
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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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+--------------------------------------+
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| ADMIN FLUSH_FLOW('find_approx_rate') |
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+--------------------------------------+
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| FLOW_FLUSHED |
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+--------------------------------------+
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SELECT
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rate,
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time_window
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FROM
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approx_rate;
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+------+---------------------+
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| rate | time_window |
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+------+---------------------+
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| | 2022-01-01T00:00:00 |
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| 0.0 | 2023-01-01T00:00:00 |
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+------+---------------------+
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-- reordered insert
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INSERT INTO
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bytes_log (ts, byte)
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VALUES
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('2025-01-01 00:00:01', 101),
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('2025-01-01 00:00:29', 300);
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Affected Rows: 2
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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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+--------------------------------------+
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| ADMIN FLUSH_FLOW('find_approx_rate') |
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+--------------------------------------+
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| FLOW_FLUSHED |
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+--------------------------------------+
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SELECT
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rate,
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time_window
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FROM
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approx_rate;
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+-------------------+---------------------+
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| rate | time_window |
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+-------------------+---------------------+
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| | 2022-01-01T00:00:00 |
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| 0.0 | 2023-01-01T00:00:00 |
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| 6.633333333333334 | 2025-01-01T00:00:00 |
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+-------------------+---------------------+
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-- reordered insert
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INSERT INTO
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bytes_log (ts, byte)
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VALUES
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('2025-01-01 00:00:32', 450),
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('2025-01-01 00:00:37', 500);
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Affected Rows: 2
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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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+--------------------------------------+
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| ADMIN FLUSH_FLOW('find_approx_rate') |
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+--------------------------------------+
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| FLOW_FLUSHED |
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+--------------------------------------+
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SELECT
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rate,
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time_window
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FROM
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approx_rate;
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+--------------------+---------------------+
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| rate | time_window |
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+--------------------+---------------------+
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| | 2022-01-01T00:00:00 |
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| 0.0 | 2023-01-01T00:00:00 |
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| 6.633333333333334 | 2025-01-01T00:00:00 |
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| 1.6666666666666667 | 2025-01-01T00:00:30 |
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+--------------------+---------------------+
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DROP TABLE bytes_log;
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Affected Rows: 0
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DROP FLOW find_approx_rate;
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Affected Rows: 0
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DROP TABLE approx_rate;
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Affected Rows: 0
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