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ast-project/part1/results/2/bug_5914c208-c289-4ac1-a838-aa6fef6aa276_logic.md
T
2026-06-24 13:47:14 +02:00

2.8 KiB

Summary

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Minimized query

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
.stats
PRAGMA threads;
SAVEPOINT sp2324;
CREATE TABLE T (
  a INTEGER,
  b REAL,
  c REAL
);
INSERT INTO T VALUES (-sin(-(-(json_array_insert(1, '$[0]', 1)))),2.0,10.5), (1,-3.5,20.25), (2,9e999,-1.0);
WITH d AS (SELECT a,SUM(b*c) AS e FROM T GROUP BY a) SELECT * FROM d;
ATTACH DATABASE ':memory:' AS aux96;
CREATE TABLE [T] (
  A VARCHAR(15) PRIMARY KEY,
  B VARCHAR(30) NOT NULL,
  C BIGINT UNIQUE
);
INSERT INTO T VALUES ('a', 'x', -9223372036854775808);
INSERT INTO T VALUES ('b', 'y', -1000000);
INSERT INTO T VALUES ('c', 'y', 0);
INSERT INTO T VALUES ('d', 'y', 42);
INSERT INTO T VALUES ('e', 'x', 9223372036854775807);
INSERT INTO T VALUES ('f', 'z', 2147483648);
SELECT * FROM T WHERE NOT C <= 0 ORDER BY C DESC;
REINDEX T;
CREATE TRIGGER IF NOT EXISTS trg_T_6664 BEFORE UPDATE /**/ OF A ON T BEGIN INSERT INTO T(A) VALUES (NULL); END;
DETACH DATABASE aux96;
VACUUM;
ALTER TABLE T RENAME TO T_r2252;
SELECT * FROM T;
INSERT OR ROLLBACK INTO T VALUES ('x', NULL, 'x');
ROLLBACK TRANSACTION TO SAVEPOINT sp2324;
RELEASE SAVEPOINT sp2324;
ALTER TABLE T DROP COLUMN c;
CREATE TABLE T (
  a INTEGER,
  b TEXT,
  c INTEGER
);
INSERT INTO T VALUES (1,'a',NULL), (2,'b',1), (3,'c',2);
WITH RECURSIVE d(a,b,c,e) AS (
  SELECT *,1 FROM T WHERE c IS NULL
  UNION ALL
  SELECT T.a,T.b,T.c,d.e+1
  FROM T FULL JOIN d ON T.c=d.a
)
SELECT * FROM d;
ALTER TABLE T RENAME TO T_r2343;
WITH cte AS (SELECT * FROM T) SELECT * FROM cte JOIN T ON cte.c = T.c;
DELETE FROM T WHERE 1 RETURNING *;

SELECT COUNT(*) FROM T;
CREATE TABLE T (
  A VARCHAR(10) PRIMARY KEY,
  B VARCHAR(15),
  C BIGINT,
  UNIQUE (B, C)
);
INSERT INTO T VALUES ('a', 'p', -9223372036854775808);
INSERT INTO T VALUES ('b', 'q', 4000);
INSERT INTO T VALUES ('c', 'r', 1700);
INSERT INTO T VALUES ('d', 'r', 9223372036854775807);
INSERT INTO T VALUES ('e', 's', 0);
SELECT A, C FROM T WHERE C > 1200 AND C < 9999999999 ORDER BY C;
REINDEX;

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|1
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|1
von|20|2
Braun|30
Wernher|10
von|20

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