mirror of
https://github.com/GreptimeTeam/greptimedb.git
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2b912d93fb
* feat: flow perf&fix df func call feat: make source sender `send` non-blocking feat: better control of flow worker freq feat: support transform interval fix: const folding df func args&tests tests: update cast const fold chore: adjust flow work's freq refactor: batch split feat: adaptive run freq flow worker&check for errors chore: better debug log * refactor: per review * chore: per zc's review * chore: per bot review * chore: remove some `TODO` completed * docs: add comments for a test
104 lines
3.1 KiB
Plaintext
104 lines
3.1 KiB
Plaintext
CREATE TABLE numbers_input (
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number INT,
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ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY(number),
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TIME INDEX(ts)
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);
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Affected Rows: 0
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CREATE FLOW test_numbers
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SINK TO out_num_cnt
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AS
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SELECT sum(number) FROM numbers_input GROUP BY tumble(ts, '1 second', '2021-07-01 00:00:00');
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Affected Rows: 0
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INSERT INTO numbers_input
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VALUES
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(20, "2021-07-01 00:00:00.200"),
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(22, "2021-07-01 00:00:00.600");
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Affected Rows: 2
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-- SQLNESS SLEEP 3s
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SELECT col_0, window_start, window_end FROM out_num_cnt;
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+-------+---------------------+---------------------+
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| col_0 | window_start | window_end |
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+-------+---------------------+---------------------+
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| 42 | 2021-07-01T00:00:00 | 2021-07-01T00:00:01 |
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+-------+---------------------+---------------------+
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INSERT INTO numbers_input
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VALUES
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(23,"2021-07-01 00:00:01.000"),
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(24,"2021-07-01 00:00:01.500");
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Affected Rows: 2
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-- SQLNESS SLEEP 2s
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SELECT col_0, window_start, window_end FROM out_num_cnt;
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+-------+---------------------+---------------------+
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| col_0 | window_start | window_end |
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+-------+---------------------+---------------------+
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| 42 | 2021-07-01T00:00:00 | 2021-07-01T00:00:01 |
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| 47 | 2021-07-01T00:00:01 | 2021-07-01T00:00:02 |
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+-------+---------------------+---------------------+
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DROP FLOW test_numbers;
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Affected Rows: 0
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DROP TABLE numbers_input;
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Affected Rows: 0
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DROP TABLE out_num_cnt;
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Affected Rows: 0
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-- test interprete interval
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CREATE TABLE numbers_input (
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number INT,
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ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY(number),
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TIME INDEX(ts)
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);
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Affected Rows: 0
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create table out_num_cnt (
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number INT,
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ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP TIME INDEX);
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Affected Rows: 0
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CREATE FLOW filter_numbers SINK TO out_num_cnt AS SELECT INTERVAL '1 day 1 second', INTERVAL '1 month 1 day 1 second', INTERVAL '1 year 1 month' FROM numbers_input where number > 10;
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Affected Rows: 0
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SHOW CREATE FLOW filter_numbers;
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+----------------+----------------------------------------------------------------------------------------------------------------------------------------+
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| Flow | Create Flow |
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+----------------+----------------------------------------------------------------------------------------------------------------------------------------+
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| filter_numbers | CREATE OR REPLACE FLOW IF NOT EXISTS filter_numbers |
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| | SINK TO out_num_cnt |
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| | AS SELECT INTERVAL '1 day 1 second', INTERVAL '1 month 1 day 1 second', INTERVAL '1 year 1 month' FROM numbers_input WHERE number > 10 |
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+----------------+----------------------------------------------------------------------------------------------------------------------------------------+
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drop flow filter_numbers;
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Affected Rows: 0
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drop table out_num_cnt;
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Affected Rows: 0
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drop table numbers_input;
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Affected Rows: 0
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