feat: flush_flow flush all ranges now

tests/cases/standalone/common/flow/flow_flush.result

@@ -0,0 +1,62 @@
+-- test if flush_flow works and flush old data to flow for compute
+CREATE TABLE numbers_input_basic (
+    number INT,
+    ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY(number),
+    TIME INDEX(ts)
+);
+
+Affected Rows: 0
+
+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
+
+CREATE FLOW test_numbers_basic SINK TO out_num_cnt_basic AS
+SELECT
+    sum(number),
+    date_bin(INTERVAL '1 second', ts, '2021-07-01 00:00:00.1') as time_window
+FROM
+    numbers_input_basic
+GROUP BY
+    time_window;
+
+Affected Rows: 0
+
+-- SQLNESS REPLACE (ADMIN\sFLUSH_FLOW\('\w+'\)\s+\|\n\+-+\+\n\|\s+)[0-9]+\s+\| $1 FLOW_FLUSHED  |
+ADMIN FLUSH_FLOW('test_numbers_basic');
+
++----------------------------------------+
+| ADMIN FLUSH_FLOW('test_numbers_basic') |
++----------------------------------------+
+|  FLOW_FLUSHED  |
++----------------------------------------+
+
+SELECT
+    "sum(numbers_input_basic.number)",
+    time_window
+FROM
+    out_num_cnt_basic;
+
++---------------------------------+-------------------------+
+| sum(numbers_input_basic.number) | time_window             |
++---------------------------------+-------------------------+
+| 42                              | 2021-07-01T00:00:00.100 |
++---------------------------------+-------------------------+
+
+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
+

tests/cases/standalone/common/flow/flow_flush.sql

@@ -0,0 +1,37 @@
+-- test if flush_flow works and flush old data to flow for compute
+CREATE TABLE numbers_input_basic (
+    number INT,
+    ts TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    PRIMARY KEY(number),
+    TIME INDEX(ts)
+);
+
+INSERT INTO
+    numbers_input_basic
+VALUES
+    (20, "2021-07-01 00:00:00.200"),
+    (22, "2021-07-01 00:00:00.600");
+
+CREATE FLOW test_numbers_basic SINK TO out_num_cnt_basic AS
+SELECT
+    sum(number),
+    date_bin(INTERVAL '1 second', ts, '2021-07-01 00:00:00.1') as time_window
+FROM
+    numbers_input_basic
+GROUP BY
+    time_window;
+
+-- SQLNESS REPLACE (ADMIN\sFLUSH_FLOW\('\w+'\)\s+\|\n\+-+\+\n\|\s+)[0-9]+\s+\| $1 FLOW_FLUSHED  |
+ADMIN FLUSH_FLOW('test_numbers_basic');
+
+SELECT
+    "sum(numbers_input_basic.number)",
+    time_window
+FROM
+    out_num_cnt_basic;
+
+DROP FLOW test_numbers_basic;
+
+DROP TABLE numbers_input_basic;
+
+DROP TABLE out_num_cnt_basic;