CREATE TABLE numbers_input_basic (
    number INT,
    ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY(number),
    TIME INDEX(ts)
);

Affected Rows: 0

CREATE FLOW test_numbers_basic 
SINK TO out_num_cnt_basic
AS 
SELECT sum(number) FROM numbers_input_basic GROUP BY tumble(ts, '1 second', '2021-07-01 00:00:00');

Affected Rows: 0

-- TODO(discord9): confirm if it's necessary to flush flow here?
-- because flush_flow result is at most 1
select flush_flow('test_numbers_basic')<=1;

+----------------------------------------------------+
| flush_flow(Utf8("test_numbers_basic")) <= Int64(1) |
+----------------------------------------------------+
| true                                               |
+----------------------------------------------------+

-- SQLNESS ARG restart=true
INSERT INTO numbers_input_basic 
VALUES
    (20, "2021-07-01 00:00:00.200"),
    (22, "2021-07-01 00:00:00.600");

Affected Rows: 2

select flush_flow('test_numbers_basic')<=1;

+----------------------------------------------------+
| flush_flow(Utf8("test_numbers_basic")) <= Int64(1) |
+----------------------------------------------------+
| true                                               |
+----------------------------------------------------+

SELECT col_0, window_start, window_end FROM out_num_cnt_basic;

+-------+---------------------+---------------------+
| col_0 | window_start        | window_end          |
+-------+---------------------+---------------------+
| 42    | 2021-07-01T00:00:00 | 2021-07-01T00:00:01 |
+-------+---------------------+---------------------+

select flush_flow('test_numbers_basic')<=1;

+----------------------------------------------------+
| flush_flow(Utf8("test_numbers_basic")) <= Int64(1) |
+----------------------------------------------------+
| true                                               |
+----------------------------------------------------+

INSERT INTO numbers_input_basic 
VALUES
    (23,"2021-07-01 00:00:01.000"),
    (24,"2021-07-01 00:00:01.500");

Affected Rows: 2

select flush_flow('test_numbers_basic')<=1;

+----------------------------------------------------+
| flush_flow(Utf8("test_numbers_basic")) <= Int64(1) |
+----------------------------------------------------+
| true                                               |
+----------------------------------------------------+

SELECT col_0, window_start, window_end FROM out_num_cnt_basic;

+-------+---------------------+---------------------+
| col_0 | window_start        | window_end          |
+-------+---------------------+---------------------+
| 42    | 2021-07-01T00:00:00 | 2021-07-01T00:00:01 |
| 47    | 2021-07-01T00:00:01 | 2021-07-01T00:00:02 |
+-------+---------------------+---------------------+

DROP FLOW test_numbers_basic;

Affected Rows: 0

DROP TABLE numbers_input_basic;

Affected Rows: 0

DROP TABLE out_num_cnt_basic;

Affected Rows: 0

-- test interprete interval
CREATE TABLE numbers_input_basic (
    number INT,
    ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    PRIMARY KEY(number),
    TIME INDEX(ts)
);

Affected Rows: 0

create table out_num_cnt_basic (
    number INT,
    ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP TIME INDEX);

Affected Rows: 0

CREATE FLOW filter_numbers_basic SINK TO out_num_cnt_basic AS SELECT INTERVAL '1 day 1 second', INTERVAL '1 month 1 day 1 second', INTERVAL '1 year 1 month' FROM numbers_input_basic where number > 10;

Affected Rows: 0

SHOW CREATE FLOW filter_numbers_basic;

+----------------------+----------------------------------------------------------------------------------------------------------------------------------------------+
| Flow                 | Create Flow                                                                                                                                  |
+----------------------+----------------------------------------------------------------------------------------------------------------------------------------------+
| filter_numbers_basic | CREATE OR REPLACE FLOW IF NOT EXISTS filter_numbers_basic                                                                                    |
|                      | SINK TO out_num_cnt_basic                                                                                                                    |
|                      | AS SELECT INTERVAL '1 day 1 second', INTERVAL '1 month 1 day 1 second', INTERVAL '1 year 1 month' FROM numbers_input_basic WHERE number > 10 |
+----------------------+----------------------------------------------------------------------------------------------------------------------------------------------+

drop flow filter_numbers_basic;

Affected Rows: 0

drop table out_num_cnt_basic;

Affected Rows: 0

drop table numbers_input_basic;

Affected Rows: 0

CREATE TABLE bytes_log (
    byte INT,
    ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP, -- event time
    TIME INDEX(ts)
);

Affected Rows: 0

CREATE TABLE approx_rate (
    rate FLOAT,
    time_window TIMESTAMP,
    update_at TIMESTAMP,
    TIME INDEX(time_window)
);

Affected Rows: 0

CREATE FLOW find_approx_rate
SINK TO approx_rate
AS
SELECT CAST((max(byte) - min(byte)) AS FLOAT)/30.0, date_bin(INTERVAL '30 second', ts) as time_window from bytes_log GROUP BY time_window;

Affected Rows: 0

INSERT INTO bytes_log VALUES 
(101, '2025-01-01 00:00:01'),
(300, '2025-01-01 00:00:29');

Affected Rows: 2

SELECT flush_flow('find_approx_rate')<=1;

+--------------------------------------------------+
| flush_flow(Utf8("find_approx_rate")) <= Int64(1) |
+--------------------------------------------------+
| true                                             |
+--------------------------------------------------+

SELECT rate, time_window FROM approx_rate;

+----------+---------------------+
| rate     | time_window         |
+----------+---------------------+
| 6.633333 | 2025-01-01T00:00:00 |
+----------+---------------------+

INSERT INTO bytes_log VALUES 
(450, '2025-01-01 00:00:32'),
(500, '2025-01-01 00:00:37');

Affected Rows: 2

SELECT flush_flow('find_approx_rate')<=1;

+--------------------------------------------------+
| flush_flow(Utf8("find_approx_rate")) <= Int64(1) |
+--------------------------------------------------+
| true                                             |
+--------------------------------------------------+

SELECT rate, time_window FROM approx_rate;

+-----------+---------------------+
| rate      | time_window         |
+-----------+---------------------+
| 6.633333  | 2025-01-01T00:00:00 |
| 1.6666666 | 2025-01-01T00:00:30 |
+-----------+---------------------+

DROP TABLE bytes_log;

Affected Rows: 0

DROP FLOW find_approx_rate;

Affected Rows: 0

DROP TABLE approx_rate;

Affected Rows: 0