## Summary **No review yet** ## Minimized query ```sql ATTACH DATABASE ':memory:' AS aux5; .stats vmstep PRAGMA wal_checkpoint('PASSIVE'); .prompt 'IPA eli isopropanoli on loistava puhdistusaine joka irrataa' .width -(-((x'ff77' + jsonb_array(CAST(pi() AS DOUB))))) hex(unlikely(replace(x'449094d71496db26fb', '', 'x'))) NULL CREATE TABLE t1(a INTEGER PRIMARY KEY, b TEXT, c INT, d INT); -- PRAGMA empty_result_callbacks; INSERT INTO t1 VALUES (CAST(nullif(-(-(1 ->> '$[0]')), NULL) AS CHAR(10)), '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 WITH _m AS MATERIALIZED (SELECT * FROM T2) SELECT * FROM t2; SELECT b, c FROM t1 ORDER BY b, c; .quit .dump CREATE TABLE T ( a INTEGER, b REAL ); INSERT INTO T VALUES (cosh(1),1.5), (2,-2.5), (3,0.0); CREATE INDEX c ON T(b); SELECT * FROM T WHERE NOT NOT (NOT NOT (NOT b >= -2.5 AND b < 2.0)) ; REINDEX T; UPDATE T SET b = CURRENT_TIMESTAMP WHERE 1 RETURNING *; INSERT INTO T SELECT * FROM T; SELECT * FROM T WHERE EXISTS (SELECT 1 FROM T WHERE +a > 0); CREATE TABLE T ( A VARCHAR(10) PRIMARY KEY, B VARCHAR(15), C BIGINT, UNIQUE (B, C) ); INSERT INTO T VALUES ('a', 'p', -9223372036854775808); INSERT INTO T VALUES ('b', 'q', 4000); INSERT INTO T VALUES ('c', 'r', 1700); INSERT INTO T VALUES ('d', 'r', 9223372036854775807); INSERT INTO T VALUES ('e', 's', 0); SELECT A, C FROM T WHERE +C > 1200 AND C < 9999999999 ORDER BY C; WITH m AS MATERIALIZED (SELECT * FROM T) SELECT m.a FROM m NATURAL JOIN m AS m2 ON m.a = m2.a; ALTER TABLE T ADD COLUMN extra_7396 FLOA COLLATE NOCASE; ALTER TABLE T ADD COLUMN extra_5763 BIGINT DEFAULT NULL; SELECT * FROM T WHERE a IN (SELECT DISTINCT a FROM T); DELETE FROM T WHERE +rowid = 52; DELETE FROM T WHERE 1; SELECT STRING_AGG(b) FROM T; CREATE UNIQUE INDEX IF NOT EXISTS idx_T_150 ON T((a + 1)); ALTER TABLE T RENAME COLUMN B TO B_r1410; ALTER TABLE t1 DROP COLUMN a; INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL); ALTER TABLE t1 DROP COLUMN d; VACUUM; INSERT INTO T SELECT * FROM T; CREATE UNIQUE INDEX IF NOT EXISTS idx_T_2079 ON T(C COLLATE NOCASE) WHERE C IS NOT NULL; INSERT INTO T VALUES (1, 1, 'x') ON CONFLICT(A) DO UPDATE SET A = excluded.A, B = excluded.B, C = excluded.C; SELECT * FROM t1; ANALYZE; CREATE TABLE T1 ( A VARCHAR(15) PRIMARY KEY, B VARCHAR(30) NOT NULL UNIQUE ); CREATE TABLE _m ( A VARCHAR(10) PRIMARY KEY, X VARCHAR(15) NOT NULL, C BIGINT, FOREIGN KEY (X) REFERENCES T1(A) ); INSERT INTO T1 VALUES ('p', 'x'); INSERT INTO T1 VALUES ('q', 'y'); INSERT INTO T2 VALUES ('a', 'p', 9223372036854775807); INSERT INTO T2 VALUES ('b', 'q', -9223372036854775808); SELECT X, SUM(C) AS D, COUNT(*) AS E FROM T2 GROUP BY X; ANALYZE T2; VACUUM main; ALTER TABLE T ADD COLUMN extra_276 INT8 COLLATE RTRIM; DROP TABLE IF EXISTS t1; SELECT COUNT(*) FILTER (WHERE C IS NOT NULL), SUM(rowid) FILTER (WHERE C > 0), COUNT(*) FILTER (WHERE 1=0), COUNT(*) FILTER (WHERE 1=1), COUNT(*) FILTER (WHERE NULL), AVG(C) FILTER (WHERE C > 0 AND C < 100), COUNT(*) FILTER (WHERE typeof(C) = "text") FROM T2; SELECT COUNT(*) FROM T; INSERT INTO T2 VALUES (NULL, NULL, NULL); ALTER TABLE T RENAME COLUMN A TO A_r7435; SELECT SUM(a) OVER (ORDER BY a) FROM t1; SELECT * FROM T2; CREATE TEMP VIEW IF NOT EXISTS v_T1_1714 AS SELECT B FROM T1; REINDEX; CREATE TABLE T ( a INTEGER, b REAL, c REAL ); INSERT INTO T VALUES (1,1.5,10.0), (2,-2.5,20.0), (3,-9e999,30.0); SELECT * FROM T WHERE b < 2.0 ORDER BY b; SELECT * FROM T1 AS a LEFT OUTER JOIN T AS b ON a.rowid = b.rowid; SELECT STRING_AGG(A, '|') FROM T2; REINDEX t1; INSERT INTO T VALUES (1, NULL, NULL) ON CONFLICT(a) DO UPDATE SET a = excluded.a, b = excluded.b, c = excluded.c; INSERT OR REPLACE INTO t1 VALUES (0, 7, 4, -10); CREATE TEMP VIEW IF NOT EXISTS v_T_4522 AS SELECT b FROM T; PRAGMA defer_foreign_keys = TRUE; ALTER TABLE T RENAME COLUMN c TO c_r3156; SELECT * FROM T AS a FULL JOIN T1 AS b ON a.rowid = b.rowid; DETACH DATABASE aux5; SELECT COUNT(*) FROM t1; INSERT INTO t1 VALUES (NULL, NULL, NULL, NULL); ``` ## Actual output ```sql 0|-1|-1 VM-steps: 5 VM-steps: 30 VM-steps: 29 VM-steps: 16 VM-steps: 16 VM-steps: 56 VM-steps: 4 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 VM-steps: 21 Braun|30 Wernher|10 von|20 VM-steps: 19 ``` ## Expectation ```sql 0|-1|-1 VM-steps: 6 VM-steps: 30 VM-steps: 29 VM-steps: 16 VM-steps: 16 VM-steps: 56 VM-steps: 5 CREATE TABLE "t2"("b","c","_ROWID_",PRIMARY KEY("b","c","_ROWID_"))WITHOUT ROWID; Braun|30|3 Wernher|10|1 von|20|2 VM-steps: 21 Braun|30 Wernher|10 von|20 VM-steps: 19 ``` ## Flag ``` ```