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[Quy Anh] «Elliot» Nguyen
2026-06-24 13:47:14 +02:00
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## Summary
<!--Explain briefly what goes wrong and explain why you believe this is a bug and not the intended behavior of SQLite (if it is not a crash).-->**No review yet**
## Minimized query
```sql
.echo on
.stats stmt
PRAGMA optimize;
PRAGMA journal_mode = 'MEMORY';
BEGIN EXCLUSIVE;
SAVEPOINT sp8818;
SAVEPOINT sp9957;
.exit -(pi() + acos((1 + 0).7976931348623157e+308))
CREATE VIRTUAL TABLE t0 USING fts4("x", "y", "z");
CREATE TABLE T (
A VARCHAR(10) PRIMARY KEY,
B VARCHAR(15) NOT NULL,
C INTEGER,
UNIQUE (B, C)
);
INSERT INTO T VALUES ('a', 'p', -2147483648);
INSERT INTO T VALUES ('b', 'q', 700);
INSERT INTO T VALUES ('c', 'r', 0);
INSERT INTO T VALUES ('d', 's', 2147483647);
INSERT INTO T VALUES ('e', 't', -1);
INSERT INTO T VALUES ('f', 'u', 1);
SELECT * FROM T WHERE NOT C BETWEEN -1000 AND 1000 ORDER BY C ASC;
DROP TABLE t0;
PRAGMA temp_store = '2';
PRAGMA fullsync = FALSE;
PRAGMA read_uncommitted = round(9223372036854775807);
.cd bugs
CREATE TABLE customer (id UNSIGNED BIG INT PRIMARY KEY);
CREATE TABLE apr (id INT PRIMARY KEY, apr REAL);
CREATE VIEW v1 AS SELECT c.id, i.apr FROM customer c LEFT JOIN apr i ON i.id=c.id;
CREATE VIEW v1rj AS SELECT c.id, i.apr FROM apr i RIGHT JOIN customer c ON i.id=c.id;
CREATE VIEW v2 AS SELECT c.id, v1.apr FROM customer c LEFT JOIN v1 ON v1.id=c.id;
CREATE VIEW v2rj AS SELECT c.id, v1.apr FROM v1 RIGHT JOIN customer c ON v1.id=c.id;
CREATE VIEW v2rjrj AS SELECT c.id, v1rj.apr FROM v1rj RIGHT JOIN customer c ON v1rj.id=c.id;
INSERT INTO customer (id) VALUES (1);
INSERT INTO apr (id, apr) VALUES (1, 12);
INSERT INTO customer (id) VALUES (2);
INSERT INTO apr (id, apr) VALUES (2, 12.01);
PRAGMA automatic_index=ON;
SELECT id, (apr / 100), typeof(apr) apr_type FROM v1;
SELECT * FROM customer WHERE id IN (SELECT id FROM customer LIMIT 0);
SELECT * FROM (SELECT * FROM customer) AS sub;
SELECT * FROM apr WHERE EXISTS (SELECT 1 FROM apr WHERE EXISTS (SELECT 1 FROM apr));
CREATE TRIGGER IF NOT EXISTS trg_customer_998 AFTER DELETE ON customer BEGIN INSERT INTO customer(id) VALUES (NULL); END;
SELECT * FROM customer WHERE id <> ANY (SELECT id FROM customer);
SELECT * FROM apr WHERE EXISTS (SELECT 1 FROM apr t2 WHERE t2.id = apr.id);
INSERT OR REPLACE INTO customer VALUES (NULL);
SELECT COUNT(*) FILTER (WHERE apr IS NOT NULL), SUM(rowid) FILTER (WHERE apr > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(apr) FILTER (WHERE apr > 0 AND apr < 100), COUNT(*) FILTER (WHERE typeof(apr) = "text") FROM apr;
UPDATE customer SET id = 52 WHERE rowid = 1;
INSERT INTO apr DEFAULT VALUES;
UPDATE apr SET id = CURRENT_TIMESTAMP;
ROLLBACK TRANSACTION TO SAVEPOINT sp9957;
RELEASE SAVEPOINT sp9957;
WITH cte AS (SELECT * FROM customer) SELECT * FROM cte;
INSERT INTO customer VALUES ('x') ON CONFLICT(id) DO UPDATE SET id = excluded.id;
SELECT * FROM customer;
SELECT STRING_AGG(id) FROM customer;
ROLLBACK TRANSACTION TO SAVEPOINT sp8818;
RELEASE SAVEPOINT sp8818;
SELECT COUNT(*) FILTER (WHERE apr IS NOT NULL), SUM(rowid) FILTER (WHERE apr > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(apr) FILTER (WHERE apr > 0 AND apr < 100), COUNT(*) FILTER (WHERE typeof(apr) = "text") FROM apr;
ANALYZE customer;
DELETE FROM customer WHERE rowid = 55 RETURNING *;
COMMIT;
INSERT INTO apr VALUES (NULL, NULL);
REINDEX;
INSERT INTO apr VALUES (NULL, NULL);
ANALYZE;
CREATE TABLE T (
A VARCHAR(10) PRIMARY KEY,
B VARCHAR(15) NOT NULL,
C INTEGER,
UNIQUE (B, C)
);
INSERT INTO T VALUES ('a', 'p', -2147483648);
INSERT INTO T VALUES ('b', 'q', 700);
INSERT INTO T VALUES ('c', 'r', 0);
INSERT INTO T VALUES ('d', 's', 2147483647);
INSERT INTO T VALUES ('e', 't', -1);
INSERT INTO T VALUES ('f', 'u', 1);
SELECT * FROM T WHERE C BETWEEN -1000 AND 1000 ORDER BY C ASC;
INSERT INTO apr VALUES (1, 'x') ON CONFLICT(id) DO UPDATE SET id = excluded.id, apr = excluded.apr;
INSERT INTO T DEFAULT VALUES;
WITH a AS (SELECT id FROM customer), b AS (SELECT COUNT(*) AS cnt FROM a) SELECT * FROM b;
CREATE UNIQUE INDEX IF NOT EXISTS idx_T_651 ON T(A COLLATE NOCASE) WHERE A > 0;
ANALYZE;
CREATE TEMPORARY VIEW IF NOT EXISTS v_customer_2839 AS SELECT id FROM customer;
SELECT * FROM T CROSS JOIN customer;
SELECT * FROM apr;
INSERT OR FAIL INTO customer VALUES (NULL);
SELECT * FROM customer AS a FULL OUTER JOIN customer AS b ON a.rowid = b.rowid;
SELECT COUNT(*) FILTER (WHERE id IS NOT NULL), SUM(rowid) FILTER (WHERE id > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(id) FILTER (WHERE id > 0 AND id < 100), COUNT(*) FILTER (WHERE typeof(id) = "text") FROM apr;
SELECT * FROM customer;
ALTER TABLE apr ADD COLUMN extra_3754 ANY NOT NULL DEFAULT 0;
```
## Actual output
```sql
.stats stmt
PRAGMA optimize;
Number of output columns: 1
Column 0 name: optimize
Column 0 declared type: (null)
Memory Used: 67720 (max 67720) bytes
Number of Outstanding Allocations: 141 (max 141)
Number of Pcache Overflow Bytes: 8464 (max 8464) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 37 (max 75)
Successful lookaside attempts: 86
Lookaside failures due to size: 0
Lookaside failures due to OOM: 0
Pager Heap Usage: 9248 bytes
Page cache hits: 1
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 736 bytes
Statement Heap/Lookaside Usage: 2784 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 6
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2784
Bytes received by read(): 10409
Bytes sent to write(): 12
Read() system calls: 13
Write() system calls: 1
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
PRAGMA journal_mode = 'MEMORY';
memory
Number of output columns: 1
Column 0 name: journal_mode
Column 0 declared type: (null)
Memory Used: 67720 (max 67760) bytes
Number of Outstanding Allocations: 141 (max 142)
Number of Pcache Overflow Bytes: 8464 (max 8464) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 36 (max 75)
Successful lookaside attempts: 92
Lookaside failures due to size: 0
Lookaside failures due to OOM: 0
Pager Heap Usage: 9248 bytes
Page cache hits: 0
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 736 bytes
Statement Heap/Lookaside Usage: 2656 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 5
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2656
Bytes received by read(): 10505
Bytes sent to write(): 1447
Read() system calls: 15
Write() system calls: 2
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
BEGIN EXCLUSIVE;
Number of output columns: 0
Memory Used: 69272 (max 69272) bytes
Number of Outstanding Allocations: 143 (max 143)
Number of Pcache Overflow Bytes: 8464 (max 8464) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 35 (max 75)
Successful lookaside attempts: 95
Lookaside failures due to size: 0
Lookaside failures due to OOM: 0
Pager Heap Usage: 9248 bytes
Page cache hits: 1
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 736 bytes
Statement Heap/Lookaside Usage: 2528 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 4
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2528
Bytes received by read(): 10859
Bytes sent to write(): 2910
Read() system calls: 18
Write() system calls: 3
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
SAVEPOINT sp8818;
Number of output columns: 0
Memory Used: 69272 (max 69272) bytes
Number of Outstanding Allocations: 143 (max 143)
Number of Pcache Overflow Bytes: 8464 (max 8464) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 37 (max 75)
Successful lookaside attempts: 100
Lookaside failures due to size: 0
Lookaside failures due to OOM: 0
Pager Heap Usage: 9248 bytes
Page cache hits: 0
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 736 bytes
Statement Heap/Lookaside Usage: 2656 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 3
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2656
Bytes received by read(): 10957
Bytes sent to write(): 4257
Read() system calls: 20
Write() system calls: 4
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
SAVEPOINT sp9957;
Number of output columns: 0
Memory Used: 69272 (max 69272) bytes
Number of Outstanding Allocations: 143 (max 143)
Number of Pcache Overflow Bytes: 8464 (max 8464) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4360 bytes
Lookaside Slots Used: 38 (max 75)
Successful lookaside attempts: 105
Lookaside failures due to size: 0
Lookaside failures due to OOM: 0
Pager Heap Usage: 9248 bytes
Page cache hits: 0
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Schema Heap Usage: 736 bytes
Statement Heap/Lookaside Usage: 2656 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 3
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2656
Bytes received by read(): 11055
Bytes sent to write(): 5606
Read() system calls: 22
Write() system calls: 5
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
.exit -(pi() + acos((1 + 0).7976931348623157e+308))
```
## Expectation
```sql
.stats stmt
PRAGMA optimize;
Number of output columns: 1
Column 0 name: optimize
Column 0 declared type: (null)
Memory Used: 68416 (max 68416) bytes
Number of Outstanding Allocations: 151 (max 151)
Number of Pcache Overflow Bytes: 8472 (max 8472) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4368 bytes
Lookaside Slots Used: 53 (max 86)
Successful lookaside attempts: 97
Lookaside failures due to size: 0
Lookaside failures due to OOM: 0
Pager Heap Usage: 9256 bytes
Page cache hits: 1
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Temporary data spilled to disk: 0
Schema Heap Usage: 632 bytes
Statement Heap/Lookaside Usage: 2784 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 6
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2784
Bytes received by read(): 11185
Bytes sent to write(): 29
Read() system calls: 14
Write() system calls: 2
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
PRAGMA journal_mode = 'MEMORY';
memory
Number of output columns: 1
Column 0 name: journal_mode
Column 0 declared type: (null)
Memory Used: 68416 (max 68448) bytes
Number of Outstanding Allocations: 151 (max 152)
Number of Pcache Overflow Bytes: 8472 (max 8472) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4368 bytes
Lookaside Slots Used: 52 (max 86)
Successful lookaside attempts: 103
Lookaside failures due to size: 0
Lookaside failures due to OOM: 0
Pager Heap Usage: 9256 bytes
Page cache hits: 0
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Temporary data spilled to disk: 0
Schema Heap Usage: 632 bytes
Statement Heap/Lookaside Usage: 2656 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 6
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2656
Bytes received by read(): 11281
Bytes sent to write(): 1518
Read() system calls: 16
Write() system calls: 4
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
BEGIN EXCLUSIVE;
Number of output columns: 0
Memory Used: 69952 (max 69952) bytes
Number of Outstanding Allocations: 153 (max 153)
Number of Pcache Overflow Bytes: 8472 (max 8472) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4368 bytes
Lookaside Slots Used: 51 (max 86)
Successful lookaside attempts: 106
Lookaside failures due to size: 0
Lookaside failures due to OOM: 0
Pager Heap Usage: 9256 bytes
Page cache hits: 1
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Temporary data spilled to disk: 0
Schema Heap Usage: 632 bytes
Statement Heap/Lookaside Usage: 2528 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 5
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2528
Bytes received by read(): 11379
Bytes sent to write(): 3006
Read() system calls: 18
Write() system calls: 6
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
SAVEPOINT sp8818;
Number of output columns: 0
Memory Used: 69952 (max 69952) bytes
Number of Outstanding Allocations: 153 (max 153)
Number of Pcache Overflow Bytes: 8472 (max 8472) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4368 bytes
Lookaside Slots Used: 53 (max 86)
Successful lookaside attempts: 111
Lookaside failures due to size: 0
Lookaside failures due to OOM: 0
Pager Heap Usage: 9256 bytes
Page cache hits: 0
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Temporary data spilled to disk: 0
Schema Heap Usage: 632 bytes
Statement Heap/Lookaside Usage: 2656 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 4
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2656
Bytes received by read(): 11477
Bytes sent to write(): 4394
Read() system calls: 20
Write() system calls: 8
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
SAVEPOINT sp9957;
Number of output columns: 0
Memory Used: 69952 (max 69952) bytes
Number of Outstanding Allocations: 153 (max 153)
Number of Pcache Overflow Bytes: 8472 (max 8472) bytes
Largest Allocation: 48000 bytes
Largest Pcache Allocation: 4368 bytes
Lookaside Slots Used: 54 (max 86)
Successful lookaside attempts: 116
Lookaside failures due to size: 0
Lookaside failures due to OOM: 0
Pager Heap Usage: 9256 bytes
Page cache hits: 0
Page cache misses: 0
Page cache writes: 0
Page cache spills: 0
Temporary data spilled to disk: 0
Schema Heap Usage: 632 bytes
Statement Heap/Lookaside Usage: 2656 bytes
Fullscan Steps: 0
Sort Operations: 0
Autoindex Inserts: 0
Virtual Machine Steps: 4
Reprepare operations: 0
Number of times run: 1
Memory used by prepared stmt: 2656
Bytes received by read(): 11575
Bytes sent to write(): 5782
Read() system calls: 22
Write() system calls: 10
Bytes read from storage: 0
Bytes written to storage: 0
Cancelled write bytes: 0
.exit -(pi() + acos((1 + 0).7976931348623157e+308))
```
## Flag
```
```