## Summary **No review yet** ## Minimized query ```sql PRAGMA wal_checkpoint('RESTART'); .progress 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 ((ATTACH)) DATABASE ':memory:' AS aux0; CREATE TABLE t1(a int); ALTER TABLE t1 ADD COLUMN b INTEGER DEFAULT NULL; ALTER TABLE t1 ADD COLUMN c TEXT DEFAULT 'default-text'; ALTER TABLE t1 RENAME TO t2; ALTER TABLE t2 ADD COLUMN d BLOB DEFAULT X'ABCD'; DETACH DATABASE aux0; SELECT STRING_AGG(a, '|') FROM t1; INSERT INTO t1 VALUES (NULL); 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 DROP TRIGGER IF EXISTS t1; CREATE INDEX IF NOT EXISTS idx_t1_3560 ON t1((c + 1)) WHERE c IS NOT NULL; SELECT * FROM (SELECT * FROM t1) AS sub; SELECT * FROM t1; ALTER TABLE t1 ADD COLUMN extra_4679 SMALLINT DEFAULT (random()); INSERT INTO t1 DEFAULT VALUES; SELECT GROUP_CONCAT(c, '|') FROM t1; PRAGMA wal_checkpoint('RESTART'); .progress 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 ((ATTACH)) DATABASE ':memory:' AS aux0; CREATE TABLE t1(a int); ALTER TABLE t1 ADD COLUMN b INTEGER DEFAULT NULL; ALTER TABLE t1 ADD COLUMN c TEXT DEFAULT 'default-text'; ALTER TABLE t1 RENAME TO t2; ALTER TABLE t2 ADD COLUMN d BLOB DEFAULT X'ABCD'; DETACH DATABASE aux0; SELECT STRING_AGG(a, '|') FROM t1; INSERT INTO t1 VALUES (NULL); 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 DROP TRIGGER IF EXISTS t1; CREATE INDEX IF NOT EXISTS idx_t1_3560 ON t1((c + 1)) WHERE c IS NOT NULL; SELECT * FROM (SELECT * FROM t1) AS sub; SELECT * FROM t1; ALTER TABLE t1 ADD COLUMN extra_4679 SMALLINT DEFAULT (random()); INSERT INTO t1 DEFAULT VALUES; SELECT GROUP_CONCAT(c, '|') FROM t1; PRAGMA wal_checkpoint('RESTART'); .progress 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 ((ATTACH)) DATABASE ':memory:' AS aux0; CREATE TABLE t1(a int); ALTER TABLE t1 ADD COLUMN b INTEGER DEFAULT NULL; ALTER TABLE t1 ADD COLUMN c TEXT DEFAULT 'default-text'; ALTER TABLE t1 RENAME TO t2; ALTER TABLE t2 ADD COLUMN d BLOB DEFAULT X'ABCD'; DETACH DATABASE aux0; SELECT STRING_AGG(a, '|') FROM t1; INSERT INTO t1 VALUES (NULL); 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 DROP TRIGGER IF EXISTS t1; CREATE INDEX IF NOT EXISTS idx_t1_3560 ON t1((c + 1)) WHERE c IS NOT NULL; SELECT * FROM (SELECT * FROM t1) AS sub; SELECT * FROM t1; ALTER TABLE t1 ADD COLUMN extra_4679 SMALLINT DEFAULT (random()); INSERT INTO t1 DEFAULT VALUES; SELECT GROUP_CONCAT(c, '|') FROM t1; PRAGMA wal_checkpoint('RESTART'); .progress 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 ((ATTACH)) DATABASE ':memory:' AS aux0; CREATE TABLE t1(a int); ALTER TABLE t1 ADD COLUMN b INTEGER DEFAULT NULL; ALTER TABLE t1 ADD COLUMN c TEXT DEFAULT 'default-text'; ALTER TABLE t1 RENAME TO t2; ALTER TABLE t2 ADD COLUMN d BLOB DEFAULT X'ABCD'; DETACH DATABASE aux0; SELECT STRING_AGG(a, '|') FROM t1; INSERT INTO t1 VALUES (NULL); 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 DROP TRIGGER IF EXISTS t1; CREATE INDEX IF NOT EXISTS idx_t1_3560 ON t1((c + 1)) WHERE c IS NOT NULL; SELECT * FROM (SELECT * FROM t1) AS sub; SELECT * FROM t1; ALTER TABLE t1 ADD COLUMN extra_4679 SMALLINT DEFAULT (random()); INSERT INTO t1 DEFAULT VALUES; SELECT GROUP_CONCAT(c, '|') FROM t1; ``` ## Actual output ```sql 0,-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,-1 'von',20,2 'Braun',30 'Wernher',10 'von',20 ``` ## Expectation ```sql 0,-1,-1 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 ``` ## Flag ``` -quote ```