File: bug43249.test

package info (click to toggle)
mariadb 1%3A11.8.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 772,520 kB
  • sloc: ansic: 2,414,714; cpp: 1,791,394; asm: 381,336; perl: 62,905; sh: 49,647; pascal: 40,897; java: 39,363; python: 20,791; yacc: 20,432; sql: 17,907; xml: 12,344; ruby: 8,544; cs: 6,542; makefile: 6,145; ada: 1,879; lex: 1,193; javascript: 996; objc: 80; tcl: 73; awk: 46; php: 22
file content (19 lines) | stat: -rw-r--r-- 631 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
# Test for BUG#43249 "Innodb returns zero time for the time column
# with <=> NULL order by limit"

--source include/have_debug.inc
--source include/have_innodb.inc

SET @saved_dbug = @@SESSION.debug_dbug;
set session debug_dbug="+d,optimizer_innodb_icp";

CREATE TABLE t1(c1 TIME NOT NULL, c2 TIME NULL, c3 DATE, PRIMARY
KEY(c1), UNIQUE INDEX(c2)) engine=innodb;
INSERT INTO t1 VALUES('8:29:45',NULL,'2009-02-01');
# first time, good results:
SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c2 LIMIT 2;
# second time, bad results:
SELECT * FROM t1 WHERE c2 <=> NULL ORDER BY c2 LIMIT 2;

drop table `t1`;
SET debug_dbug= @saved_dbug;