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ast-project/part1/results/1/bug_d9ad1ef1-d480-408c-afdb-52b95779bb5e_logic.md
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2026-06-24 13:47:14 +02:00

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Summary

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Minimized query

SAVEPOINT sp8911;
PRAGMA ignore_check_constraints = 1;
SAVEPOINT sp4325;
SAVEPOINT sp5433;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (like('', 1), 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);

CREATE INDEX t1bc ON t1(b, c);

PRAGMA /**/ writable_schema = ON;

.imposter t1bc t2

SELECT * FROM t2;

SELECT b, c FROM t1 ORDER BY b, c;

.quit
ATTACH DATABASE ':memory:' AS aux43;
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
SELECT * FROM t41 LEFT JOIN (SELECT count(*) AS cnt, x1.d FROM (t42 INNER JOIN t43 ON d=g) AS x1 WHERE x1.d>json_extract(5, '$') GROUP BY x1.d) AS x2 ON t41.b=x2.d;

DETACH DATABASE aux43;
SELECT * FROM (SELECT g FROM t43 WHERE g IS NOT NULL) AS sub;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);

CREATE INDEX t1bc ON t1(b, c);

PRAGMA /**/ writable_schema = ON;

.imposter t1bc t2

SELECT * FROM t2;

SELECT b, c FROM t1 ORDER BY b, c;

.quit
ATTACH DATABASE ':memory:' AS aux43;
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
SELECT * FROM t41 LEFT JOIN (SELECT count(*) AS cnt, x1.d FROM (t42 INNER JOIN t43 ON d=g) AS x1 WHERE x1.d>json_extract(5, '$') GROUP BY x1.d) AS x2 ON t41.b=x2.d;

DETACH DATABASE aux43;
SELECT * FROM (SELECT g FROM t43 WHERE g IS NOT NULL) AS sub;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);

CREATE INDEX t1bc ON t1(b, c);

PRAGMA /**/ writable_schema = ON;

.imposter t1bc t2

SELECT * FROM t2;

SELECT b, c FROM t1 ORDER BY b, c;

.quit
ATTACH DATABASE ':memory:' AS aux43;
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
SELECT * FROM t41 LEFT JOIN (SELECT count(*) AS cnt, x1.d FROM (t42 INNER JOIN t43 ON d=g) AS x1 WHERE x1.d>json_extract(5, '$') GROUP BY x1.d) AS x2 ON t41.b=x2.d;

DETACH DATABASE aux43;
SELECT * FROM (SELECT g FROM t43 WHERE g IS NOT NULL) AS sub;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);

CREATE INDEX t1bc ON t1(b, c);

PRAGMA /**/ writable_schema = ON;

.imposter t1bc t2

SELECT * FROM t2;

SELECT b, c FROM t1 ORDER BY b, c;

.quit
ATTACH DATABASE ':memory:' AS aux43;
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
SELECT * FROM t41 LEFT JOIN (SELECT count(*) AS cnt, x1.d FROM (t42 INNER JOIN t43 ON d=g) AS x1 WHERE x1.d>json_extract(5, '$') GROUP BY x1.d) AS x2 ON t41.b=x2.d;

DETACH DATABASE aux43;
SELECT * FROM (SELECT g FROM t43 WHERE g IS NOT NULL) AS sub;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);

CREATE INDEX t1bc ON t1(b, c);

PRAGMA /**/ writable_schema = ON;

.imposter t1bc t2

SELECT * FROM t2;

SELECT b, c FROM t1 ORDER BY b, c;

.quit
ATTACH DATABASE ':memory:' AS aux43;
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
SELECT * FROM t41 LEFT JOIN (SELECT count(*) AS cnt, x1.d FROM (t42 INNER JOIN t43 ON d=g) AS x1 WHERE x1.d>json_extract(5, '$') GROUP BY x1.d) AS x2 ON t41.b=x2.d;

DETACH DATABASE aux43;
SELECT * FROM (SELECT g FROM t43 WHERE g IS NOT NULL) AS sub;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);

CREATE INDEX t1bc ON t1(b, c);

PRAGMA /**/ writable_schema = ON;

.imposter t1bc t2

SELECT * FROM t2;

SELECT b, c FROM t1 ORDER BY b, c;

.quit
ATTACH DATABASE ':memory:' AS aux43;
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
SELECT * FROM t41 LEFT JOIN (SELECT count(*) AS cnt, x1.d FROM (t42 INNER JOIN t43 ON d=g) AS x1 WHERE x1.d>json_extract(5, '$') GROUP BY x1.d) AS x2 ON t41.b=x2.d;

DETACH DATABASE aux43;
SELECT * FROM (SELECT g FROM t43 WHERE g IS NOT NULL) AS sub;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);

CREATE INDEX t1bc ON t1(b, c);

PRAGMA /**/ writable_schema = ON;

.imposter t1bc t2

SELECT * FROM t2;

SELECT b, c FROM t1 ORDER BY b, c;

.quit
ATTACH DATABASE ':memory:' AS aux43;
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
SELECT * FROM t41 LEFT JOIN (SELECT count(*) AS cnt, x1.d FROM (t42 INNER JOIN t43 ON d=g) AS x1 WHERE x1.d>json_extract(5, '$') GROUP BY x1.d) AS x2 ON t41.b=x2.d;

DETACH DATABASE aux43;
SELECT * FROM (SELECT g FROM t43 WHERE g IS NOT NULL) AS sub;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);

CREATE INDEX t1bc ON t1(b, c);

PRAGMA /**/ writable_schema = ON;

.imposter t1bc t2

SELECT * FROM t2;

SELECT b, c FROM t1 ORDER BY b, c;

.quit
ATTACH DATABASE ':memory:' AS aux43;
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
SELECT * FROM t41 LEFT JOIN (SELECT count(*) AS cnt, x1.d FROM (t42 INNER JOIN t43 ON d=g) AS x1 WHERE x1.d>json_extract(5, '$') GROUP BY x1.d) AS x2 ON t41.b=x2.d;

DETACH DATABASE aux43;
SELECT * FROM (SELECT g FROM t43 WHERE g IS NOT NULL) AS sub;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);

CREATE INDEX t1bc ON t1(b, c);

PRAGMA /**/ writable_schema = ON;

.imposter t1bc t2

SELECT * FROM t2;

SELECT b, c FROM t1 ORDER BY b, c;

.quit
ATTACH DATABASE ':memory:' AS aux43;
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
SELECT * FROM t41 LEFT JOIN (SELECT count(*) AS cnt, x1.d FROM (t42 INNER JOIN t43 ON d=g) AS x1 WHERE x1.d>json_extract(5, '$') GROUP BY x1.d) AS x2 ON t41.b=x2.d;

DETACH DATABASE aux43;
SELECT * FROM (SELECT g FROM t43 WHERE g IS NOT NULL) AS sub;
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (1, 'Wernher', 10, 100);
INSERT INTO t1 VALUES (2, 'von', 20, 200);
INSERT INTO t1 VALUES (3, 'Braun', 30, 300);

CREATE INDEX t1bc ON t1(b, c);

PRAGMA /**/ writable_schema = ON;

.imposter t1bc t2

SELECT * FROM t2;

SELECT b, c FROM t1 ORDER BY b, c;

.quit
ATTACH DATABASE ':memory:' AS aux43;
CREATE TABLE t41(a INTEGER PRIMARY KEY, b INTEGER);
CREATE TABLE t42(d INTEGER PRIMARY KEY, e INTEGER);
CREATE TABLE t43(f INTEGER PRIMARY KEY, g INTEGER);
SELECT * FROM t41 LEFT JOIN (SELECT count(*) AS cnt, x1.d FROM (t42 INNER JOIN t43 ON d=g) AS x1 WHERE x1.d>json_extract(5, '$') GROUP BY x1.d) AS x2 ON t41.b=x2.d;

DETACH DATABASE aux43;
SELECT * FROM (SELECT g FROM t43 WHERE g IS NOT NULL) AS sub;

REINDEX t42;

SELECT COUNT(*) FROM t43;
ALTER TABLE t42 ADD COLUMN extra_4589 TEXT UNIQUE;
SELECT STRING_AGG(g, '|') FROM t43;
INSERT INTO t1 DEFAULT VALUES;

SELECT COUNT(*) FROM t42;
PRAGMA legacy_alter_table = FALSE;
RELEASE sp5433;
SELECT g FROM t43 WHERE +g = (SELECT MAX(g) FROM t43);
RELEASE sp4325;
ROLLBACK TO sp8911;
RELEASE sp8911;

Actual output

CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
WARNING: writing to an imposter table will corrupt the "t1bc" index!
Braun|30|3
Wernher|10|0
von|20|2
Braun|30
Wernher|10
von|20

Expectation

CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
Braun|30|3
Wernher|10|0
von|20|2
Braun|30
Wernher|10
von|20

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