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ast-project/part1/results/1/bug_cfdfcdb4-b8de-4713-8fdf-96bbca7609c3_logic.md
T
2026-06-24 13:47:14 +02:00

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Summary

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Minimized query

PRAGMA parser_trace = 0;
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
CREATE TABLE T1 (
  A VARCHAR(10) PRIMARY KEY,
  B VARCHAR(15) UNIQUE,
  C INTEGER
);
CREATE TABLE [T2] (
  X VARCHAR(20) PRIMARY KEY,
  A VARCHAR(10) NOT NULL UNIQUE,
  FOREIGN KEY (A) REFERENCES T1(A)
);
INSERT INTO T1 VALUES ('a', 'p', -2147483648);
INSERT INTO T1 VALUES ('b', 'q', 2147483647);
INSERT INTO T2 VALUES ('m', 'a');
INSERT INTO T2 VALUES ('n', 'b');
SELECT T2.X, T1.B, T1.C FROM T2, T1 WHERE NOT NOT (T2.A = T1.A AND T1.C >= 0) ;
.log ON
CREATE TABLE T (
  A VARCHAR(-(-(10))) PRIMARY KEY,
  B VARCHAR(15) NOT NULL,
  C DOUBLE PRECISION
);
INSERT INTO T VALUES ('a', 'p', -1.7976931348623157e+308);
INSERT INTO T VALUES ('b', 'q', -0.000000001);
INSERT INTO T VALUES ('c', 'r', 0.0);
INSERT INTO T VALUES ('d', 's', 3.14159265358979);
INSERT INTO T VALUES ('e', 't', 1.7976931348623157e+308);
INSERT INTO T VALUES ('f', 't', 750.25);
SELECT B, AVG(C) AS D, MIN(C) AS E, MAX(C) AS F FROM T GROUP BY B;
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;
SELECT LAST_VALUE(A) OVER (PARTITION BY A ORDER BY A RANGE BETWEEN CURRENT ROW AND UNBOUNDED FOLLOWING EXCLUDE NO OTHERS) FROM T;
CREATE  INDEX IF NOT EXISTS idx_T_7740 ON T(lower(B)) WHERE B > 0;
INSERT INTO T VALUES ('x', 1, NULL) ON CONFLICT(A) DO UPDATE SET A = excluded.A, B = excluded.B, C = excluded.C;
SELECT C, (SELECT MIN(C) FROM T) AS min_val FROM T;
INSERT INTO T SELECT * FROM T;
DELETE FROM T WHERE C IS NULL;
DELETE FROM T WHERE 0 RETURNING *;

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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