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discord9
00e4666391
* fix(query): stop reporting region scans as hash partitioned
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
* test(query): use current DataFusion plan downcasts
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
* test(query): match null rendering in join regression
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
* test(query): refresh union plan for unknown scan partitioning
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
* test(query): refresh shared plans after distribution rule removal
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
* test(query): cover semi joins with remote dynamic filtering
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
* test(query): strengthen partitioned merge scan regressions
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
* test(query): remove unused merge scan test helpers
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
* test(perf): measure merge scan hash repartition cost
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
* fix(query): adapt merge scan deserialization to two-arg constructor
Adapt the production and test serializer callers added by #9206 and remove the obsolete partition_cols assertion.
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
* test(query): adapt nested merge scan integration constructor
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
---------
Signed-off-by: discord9 <55937128+discord9@users.noreply.github.com>
(cherry picked from commit 32e8467cda)
Signed-off-by: WenyXu <wenymedia@gmail.com>
82 lines
4.1 KiB
SQL
82 lines
4.1 KiB
SQL
-- Regression coverage for issues 9456/9492 (PR 9491): preserve merge-scan
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-- results for a pruned left join over partitioned append data.
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CREATE TABLE merge_left_data (
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k STRING,
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kind STRING,
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ts TIMESTAMP TIME INDEX,
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PRIMARY KEY (k, kind)
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)
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PARTITION ON COLUMNS (k) (
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k < '1', k >= '1' AND k < '2', k >= '2' AND k < '3',
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k >= '3' AND k < '4', k >= '4' AND k < '5', k >= '5' AND k < '6',
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k >= '6' AND k < '7', k >= '7' AND k < '8', k >= '8' AND k < '9',
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k >= '9' AND k < 'a', k >= 'a' AND k < 'b', k >= 'b' AND k < 'c',
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k >= 'c' AND k < 'd', k >= 'd' AND k < 'e', k >= 'e' AND k < 'f',
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k >= 'f'
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)
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ENGINE=mito WITH (append_mode = 'true');
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INSERT INTO merge_left_data VALUES
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('0', 'root', '2026-10-09 00:00:00'),
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('1', 'root', '2026-10-09 00:00:00'),
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('2', 'root', '2026-10-09 00:00:00'),
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('3', 'root', '2026-10-09 00:00:00'),
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('4', 'root', '2026-10-09 00:00:00'),
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('5', 'root', '2026-10-09 00:00:00'),
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('6', 'root', '2026-10-09 00:00:00'),
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('7', 'root', '2026-10-09 00:00:00'),
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('8', 'root', '2026-10-09 00:00:00'),
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('9', 'root', '2026-10-09 00:00:00'),
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('a', 'root', '2026-10-09 00:00:00'),
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('b', 'root', '2026-10-09 00:00:00'),
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('c', 'root', '2026-10-09 00:00:00'),
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('d', 'root', '2026-10-09 00:00:00'),
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('e', 'root', '2026-10-09 00:00:00'),
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('f', 'root', '2026-10-09 00:00:00'),
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('z', 'root', '2026-10-09 00:00:00'),
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('0', 'child', '2026-10-09 00:00:00'), ('0', 'child', '2026-10-09 00:00:00'), ('0', 'child', '2026-10-09 00:00:00'),
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('1', 'child', '2026-10-09 00:00:00'), ('1', 'child', '2026-10-09 00:00:00'), ('1', 'child', '2026-10-09 00:00:00'),
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('2', 'child', '2026-10-09 00:00:00'), ('2', 'child', '2026-10-09 00:00:00'), ('2', 'child', '2026-10-09 00:00:00'),
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('3', 'child', '2026-10-09 00:00:00'), ('3', 'child', '2026-10-09 00:00:00'), ('3', 'child', '2026-10-09 00:00:00'),
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('4', 'child', '2026-10-09 00:00:00'), ('4', 'child', '2026-10-09 00:00:00'), ('4', 'child', '2026-10-09 00:00:00'),
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('5', 'child', '2026-10-09 00:00:00'), ('5', 'child', '2026-10-09 00:00:00'), ('5', 'child', '2026-10-09 00:00:00'),
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('6', 'child', '2026-10-09 00:00:00'), ('6', 'child', '2026-10-09 00:00:00'), ('6', 'child', '2026-10-09 00:00:00'),
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('7', 'child', '2026-10-09 00:00:00'), ('7', 'child', '2026-10-09 00:00:00'), ('7', 'child', '2026-10-09 00:00:00'),
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('8', 'child', '2026-10-09 00:00:00'), ('8', 'child', '2026-10-09 00:00:00'), ('8', 'child', '2026-10-09 00:00:00'),
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('9', 'child', '2026-10-09 00:00:00'), ('9', 'child', '2026-10-09 00:00:00'), ('9', 'child', '2026-10-09 00:00:00'),
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('a', 'child', '2026-10-09 00:00:00'), ('a', 'child', '2026-10-09 00:00:00'), ('a', 'child', '2026-10-09 00:00:00'),
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('b', 'child', '2026-10-09 00:00:00'), ('b', 'child', '2026-10-09 00:00:00'), ('b', 'child', '2026-10-09 00:00:00'),
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('c', 'child', '2026-10-09 00:00:00'), ('c', 'child', '2026-10-09 00:00:00'), ('c', 'child', '2026-10-09 00:00:00'),
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('d', 'child', '2026-10-09 00:00:00'), ('d', 'child', '2026-10-09 00:00:00'), ('d', 'child', '2026-10-09 00:00:00'),
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('e', 'child', '2026-10-09 00:00:00'), ('e', 'child', '2026-10-09 00:00:00'), ('e', 'child', '2026-10-09 00:00:00'),
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('f', 'child', '2026-10-09 00:00:00'), ('f', 'child', '2026-10-09 00:00:00'), ('f', 'child', '2026-10-09 00:00:00');
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-- Full join: 17 roots, 16 matched roots, 48 child rows.
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SELECT r.k, c.n
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FROM (SELECT k FROM merge_left_data WHERE kind = 'root') r
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LEFT JOIN (
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SELECT k, COUNT(*) AS n FROM merge_left_data WHERE kind = 'child' GROUP BY k
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) c ON r.k = c.k
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ORDER BY r.k;
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-- Assert partitioned hash join and both hash repartition keys at SQLness N=4.
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-- SQLNESS REPLACE (peers.*) peers=REDACTED
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EXPLAIN SELECT r.k, c.n
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FROM (SELECT k FROM merge_left_data WHERE kind = 'root' AND k >= '1' AND k < '5') r
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LEFT JOIN (
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SELECT k, COUNT(*) AS n FROM merge_left_data
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WHERE kind = 'child' AND k < '4' GROUP BY k
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) c ON r.k = c.k
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ORDER BY r.k;
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-- Four roots, three matches, nine child rows; key 4 remains with NULL n.
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SELECT r.k, c.n
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FROM (SELECT k FROM merge_left_data WHERE kind = 'root' AND k >= '1' AND k < '5') r
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LEFT JOIN (
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SELECT k, COUNT(*) AS n FROM merge_left_data
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WHERE kind = 'child' AND k < '4' GROUP BY k
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) c ON r.k = c.k
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ORDER BY r.k;
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DROP TABLE merge_left_data;
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