ast-project/part1/results/2/bug_6f53fe30-c9ee-4412-87e2-6fb796242cd3_logic.md

Summary

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Minimized query

PRAGMA count_changes = 1;
ATTACH DATABASE ':memory:' AS aux96;
ATTACH DATABASE ':memory:' AS aux34;
CREATE TEMPORARY TABLE t0(x, y, z);
CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
INSERT INTO t1 VALUES (CAST(unicode('你好') AS MEDIUMINT), '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
SELECT -99999999999999999999999999999999999999999999999999;
SELECT * FROM sqlite_temp_master WHERE sql GLOB '000[]***';
DROP TABLE t0;
REINDEX;
DELETE FROM t0 WHERE 1 RETURNING *;
UPDATE t0 SET z = '' WHERE z BETWEEN 0 AND 100;
SELECT * FROM t0 AS a FULL OUTER JOIN t1 AS b ON a.rowid = b.rowid;
SELECT * FROM t1 WHERE b NOT IN (SELECT b FROM t1);
DETACH DATABASE aux34;
SELECT * FROM t1 AS a FULL OUTER JOIN t0 AS b ON a.rowid = b.rowid;
ALTER TABLE t0 RENAME TO t0_r5353;
ALTER TABLE t1 RENAME TO t1_r3388;
PRAGMA short_column_names = YES;
INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL);

SELECT COUNT(*) FROM t1;
CREATE TRIGGER IF NOT EXISTS trg_t0_3641 AFTER UPDATE ON t0 BEGIN SELECT RAISE(IGNORE); END;
SELECT COUNT(*) FILTER (WHERE a IS NOT NULL), SUM(rowid) FILTER (WHERE a > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(a) FILTER (WHERE a > 0 AND a < 100), COUNT(*) FILTER (WHERE typeof(a) = "text") FROM t1;
DETACH DATABASE aux96;
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

Actual output

1
1
1
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|63
von|20|2
Braun|30
Wernher|10
von|20

Expectation

1
1
1
CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID;
Braun|30|3
Wernher|10|63
von|20|2
Braun|30
Wernher|10
von|20

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