ast-project/part1/results/3/bug_b8338282-287b-4d72-b599-0a4431493886_logic.md

Summary

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Minimized query

PRAGMA writable_schema = 0;
ATTACH DATABASE (':memory:' || '') AS aux12;
PRAGMA checkpoint_fullsync = OFF;
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(x);
INSERT INTO t1 VALUES(99);
SELECT sum((SELECT 1 FROM (SELECT 2 WHERE x IS NULL) WHERE 0)) FROM t1;
DELETE FROM t1 WHERE x IS NULL;
INSERT INTO t1 VALUES (NULL);
SELECT COUNT(*) FROM t1;
DETACH DATABASE aux12;
INSERT INTO t1 VALUES (NULL);
UPDATE t1 SET x = CURRENT_TIMESTAMP WHERE x IS NOT NULL RETURNING *;
ALTER TABLE t1 ADD COLUMN extra_5709 FLOAT;
SELECT COUNT(*) FILTER (WHERE x IS NOT NULL), SUM(rowid) FILTER (WHERE x > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(x) FILTER (WHERE x > 0 AND x < 100), COUNT(*) FILTER (WHERE typeof(x) = "text") FROM t1;
CREATE  INDEX IF NOT EXISTS idx_t1_6962 ON t1(x COLLATE NOCASE) WHERE x > 0;
SELECT COUNT(*) FILTER (WHERE x IS NOT NULL), SUM(rowid) FILTER (WHERE x > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(x) FILTER (WHERE x > 0 AND x < 100), COUNT(*) FILTER (WHERE typeof(x) = "text") FROM t1;
ALTER TABLE t1 ADD COLUMN extra_9323 NATIVE CHARACTER(70)NVARCHAR(100) COLLATE RTRIM;
INSERT INTO t1 VALUES (NULL);
ALTER TABLE t1 RENAME COLUMN x TO x_r2756;

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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