File: optimizer_debug_sync.result

package info (click to toggle)
mysql-8.0 8.0.43-3
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,273,924 kB
  • sloc: cpp: 4,684,605; ansic: 412,450; pascal: 108,398; java: 83,641; perl: 30,221; cs: 27,067; sql: 26,594; sh: 24,181; python: 21,816; yacc: 17,169; php: 11,522; xml: 7,388; javascript: 7,076; makefile: 2,194; lex: 1,075; awk: 670; asm: 520; objc: 183; ruby: 97; lisp: 86
file content (24 lines) | stat: -rw-r--r-- 578 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 

BUG#11763382 Assertion 'inited==INDEX' on SELECT MAX(...)

CREATE TABLE t(i INT NOT NULL PRIMARY KEY, f INT) ENGINE = InnoDB;
INSERT INTO t VALUES (1,1),(2,2);
BEGIN;
UPDATE t SET f=100 WHERE i=2;
set optimizer_switch='semijoin=off,subquery_materialization_cost_based=off';
SET DEBUG_SYNC='before_index_end_in_subselect WAIT_FOR callit';
SELECT f FROM t WHERE i IN ( SELECT i FROM t );
SELECT MAX(i) FROM t FOR UPDATE;
SELECT MAX(i) FROM t FOR UPDATE;
SET DEBUG_SYNC='now SIGNAL callit';
COMMIT;
f
1
2
SET DEBUG_SYNC='RESET';
MAX(i)
2
MAX(i)
2
DROP TABLE t;
# End of BUG#56080