test: record flushed exact sequence flow results

Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>

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

@@ -0,0 +1,143 @@
+-- Validate incremental sequence_range reads for an append-only source whose rows
+-- preserve insertion sequence across SST flushes.
+CREATE TABLE flow_incr_seq_range_input (
+    host_id INT,
+    n INT,
+    ts TIMESTAMP TIME INDEX,
+    PRIMARY KEY(host_id)
+) WITH (
+    append_mode = 'true',
+    preserve_row_sequence = 'true'
+);
+
+Affected Rows: 0
+
+CREATE FLOW flow_incr_seq_range SINK TO flow_incr_seq_range_sink
+WITH (experimental_enable_incremental_read = 'true')
+AS
+SELECT
+    sum(n) AS total,
+    count(n) AS row_count,
+    min(n) AS min_n,
+    max(n) AS max_n,
+    date_bin(INTERVAL '1 minute', ts, '2024-01-01 00:00:00') AS time_window
+FROM
+    flow_incr_seq_range_input
+GROUP BY
+    time_window;
+
+Affected Rows: 0
+
+-- ==== Phase 1: initial insert + checkpoint ====
+INSERT INTO flow_incr_seq_range_input VALUES
+    (1, 10, '2024-01-01 00:00:00'),
+    (2, 20, '2024-01-01 00:00:15'),
+    (3, 30, '2024-01-01 00:00:30');
+
+Affected Rows: 3
+
+-- SQLNESS REPLACE (ADMIN\sFLUSH_FLOW\('\w+'\)\s+\|\n\+-+\+\n\|\s+)[0-9]+\s+\| $1 FLOW_FLUSHED  |
+ADMIN FLUSH_FLOW('flow_incr_seq_range');
+
++-----------------------------------------+
+| ADMIN FLUSH_FLOW('flow_incr_seq_range') |
++-----------------------------------------+
+|  FLOW_FLUSHED  |
++-----------------------------------------+
+
+SELECT total, row_count, min_n, max_n, time_window
+FROM flow_incr_seq_range_sink
+ORDER BY time_window;
+
++-------+-----------+-------+-------+---------------------+
+| total | row_count | min_n | max_n | time_window         |
++-------+-----------+-------+-------+---------------------+
+| 60    | 3         | 10    | 30    | 2024-01-01T00:00:00 |
++-------+-----------+-------+-------+---------------------+
+
+-- Move the checkpointed source and sink state into SST files.
+ADMIN FLUSH_TABLE('flow_incr_seq_range_sink');
+
++-----------------------------------------------+
+| ADMIN FLUSH_TABLE('flow_incr_seq_range_sink') |
++-----------------------------------------------+
+| 0                                             |
++-----------------------------------------------+
+
+ADMIN FLUSH_TABLE('flow_incr_seq_range_input');
+
++------------------------------------------------+
+| ADMIN FLUSH_TABLE('flow_incr_seq_range_input') |
++------------------------------------------------+
+| 0                                              |
++------------------------------------------------+
+
+-- ==== Phase 2: flushed delta in the same window ====
+INSERT INTO flow_incr_seq_range_input VALUES
+    (4, 40, '2024-01-01 00:00:45'),
+    (5, 50, '2024-01-01 00:00:55');
+
+Affected Rows: 2
+
+-- Flush the delta to SST before the incremental flow run. The sequence range
+-- scan must read only these new rows, not the already-checkpointed SST.
+ADMIN FLUSH_TABLE('flow_incr_seq_range_input');
+
++------------------------------------------------+
+| ADMIN FLUSH_TABLE('flow_incr_seq_range_input') |
++------------------------------------------------+
+| 0                                              |
++------------------------------------------------+
+
+-- SQLNESS REPLACE (ADMIN\sFLUSH_FLOW\('\w+'\)\s+\|\n\+-+\+\n\|\s+)[0-9]+\s+\| $1 FLOW_FLUSHED  |
+ADMIN FLUSH_FLOW('flow_incr_seq_range');
+
++-----------------------------------------+
+| ADMIN FLUSH_FLOW('flow_incr_seq_range') |
++-----------------------------------------+
+|  FLOW_FLUSHED  |
++-----------------------------------------+
+
+SELECT total, row_count, min_n, max_n, time_window
+FROM flow_incr_seq_range_sink
+ORDER BY time_window;
+
++-------+-----------+-------+-------+---------------------+
+| total | row_count | min_n | max_n | time_window         |
++-------+-----------+-------+-------+---------------------+
+| 150   | 5         | 10    | 50    | 2024-01-01T00:00:00 |
++-------+-----------+-------+-------+---------------------+
+
+-- ==== Empty incremental run ====
+-- No new source rows must leave the aggregate unchanged.
+-- SQLNESS REPLACE (ADMIN\sFLUSH_FLOW\('\w+'\)\s+\|\n\+-+\+\n\|\s+)[0-9]+\s+\| $1 FLOW_FLUSHED  |
+ADMIN FLUSH_FLOW('flow_incr_seq_range');
+
++-----------------------------------------+
+| ADMIN FLUSH_FLOW('flow_incr_seq_range') |
++-----------------------------------------+
+|  FLOW_FLUSHED  |
++-----------------------------------------+
+
+SELECT total, row_count, min_n, max_n, time_window
+FROM flow_incr_seq_range_sink
+ORDER BY time_window;
+
++-------+-----------+-------+-------+---------------------+
+| total | row_count | min_n | max_n | time_window         |
++-------+-----------+-------+-------+---------------------+
+| 150   | 5         | 10    | 50    | 2024-01-01T00:00:00 |
++-------+-----------+-------+-------+---------------------+
+
+DROP FLOW flow_incr_seq_range;
+
+Affected Rows: 0
+
+DROP TABLE flow_incr_seq_range_input;
+
+Affected Rows: 0
+
+DROP TABLE flow_incr_seq_range_sink;
+
+Affected Rows: 0
+