ast-project/part1/results/2/bug_e2f33655-f2eb-46b5-94ee-961a031af2bf_logic.md

Summary

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Minimized query

SAVEPOINT sp987;
ATTACH DATABASE ':memory:' AS aux76;
CREATE TABLE t1(a NONE 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 INTEGER,
  b REAL
);
CREATE TABLE T2 (
  a INTEGER,
  b REAL
);
INSERT INTO T1 VALUES (1,1.0);
INSERT INTO T2 VALUES (1,-1.0),(2,9e999);
INSERT OR REPLACE INTO T1
SELECT * FROM T2;
SELECT * FROM T1;
SELECT * FROM T2;
SELECT * FROM T2 AS a RIGHT JOIN T2 AS b ON a.rowid = b.rowid;
DETACH DATABASE aux76;
INSERT INTO T2 DEFAULT VALUES;
ALTER TABLE T2 DROP COLUMN a;
VACUUM main;

ROLLBACK TRANSACTION TO SAVEPOINT sp987;
RELEASE SAVEPOINT sp987;
SELECT GROUP_CONCAT(a, '.') OVER (PARTITION BY a ORDER BY a ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) FROM T2;
SELECT * FROM T1;

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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