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ast-project/part1/results/1/bug_6297f902-8fc0-4a56-b34d-e41e2c564b57_logic.md
2026-06-24 13:47:14 +02:00

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Summary

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Minimized query

CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT);
CREATE TABLE T (
  a TEXT,
  b TEXT
);
INSERT INTO T VALUES ('a','b'), ('c','d');
SELECT * FROM T WHERE a = REPLACE('a;',';','') AND b = 'b';
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
PRAGMA case_sensitive_like = NO;
INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL);
SELECT * FROM t1;
INSERT INTO t1 DEFAULT VALUES;
INSERT INTO t1 DEFAULT VALUES;
CREATE  VIEW IF NOT EXISTS v_t1_1163 AS SELECT b FROM t1;
ALTER TABLE t1 DROP COLUMN b;

Actual output

a|b
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

a|b
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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