database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-07-29 05:21:33 +03:00
Code Activity

Fixed bug #24776: an assertion abort in handler::ha_index_init

Browse Source 
for queries using 'range checked for each record'.
The problem was fixed in 5.0 by the patch for bug 12291.
This patch down-ported the corresponding code from 5.0 into 
QUICK_SELECT::init() and added a new test case.
This commit is contained in:
igor@olga.mysql.com
2007-01-13 10:49:26 -08:00
parent fc0e206cb5
commit 34eea49eb7
3 changed files with 88 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
mysql-test/r/range.result
View File

@ -658,4 +658,47 @@ select a from t1 where a > 'x';
a
xx
drop table t1;
CREATE TABLE t1 (
OXID varchar(32) COLLATE latin1_german2_ci NOT NULL DEFAULT '',
OXPARENTID varchar(32) COLLATE latin1_german2_ci NOT NULL DEFAULT 'oxrootid',
OXLEFT int NOT NULL DEFAULT '0',
OXRIGHT int NOT NULL DEFAULT '0',
OXROOTID varchar(32) COLLATE latin1_german2_ci NOT NULL DEFAULT '',
PRIMARY KEY (OXID),
KEY OXNID (OXID),
KEY OXLEFT (OXLEFT),
KEY OXRIGHT (OXRIGHT),
KEY OXROOTID (OXROOTID)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_german2_ci;
INSERT INTO t1 VALUES
('d8c4177d09f8b11f5.52725521','oxrootid',1,40,'d8c4177d09f8b11f5.52725521'),
('d8c4177d151affab2.81582770','d8c4177d09f8b11f5.52725521',2,3,
'd8c4177d09f8b11f5.52725521'),
('d8c4177d206a333d2.74422679','d8c4177d09f8b11f5.52725521',4,5,
'd8c4177d09f8b11f5.52725521'),
('d8c4177d225791924.30714720','d8c4177d09f8b11f5.52725521',6,7,
'd8c4177d09f8b11f5.52725521'),
('d8c4177d2380fc201.39666693','d8c4177d09f8b11f5.52725521',8,9,
'd8c4177d09f8b11f5.52725521'),
('d8c4177d24ccef970.14957924','d8c4177d09f8b11f5.52725521',10,11,
'd8c4177d09f8b11f5.52725521');
EXPLAIN
SELECT s.oxid FROM t1 v, t1 s
WHERE s.oxrootid = 'd8c4177d09f8b11f5.52725521' AND
v.oxrootid ='d8c4177d09f8b11f5.52725521' AND
s.oxleft > v.oxleft AND s.oxleft < v.oxright;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE v ref OXLEFT,OXRIGHT,OXROOTID OXROOTID 32 const 5 Using where
1 SIMPLE s ALL OXLEFT NULL NULL NULL 5 Range checked for each record (index map: 0x4)
SELECT s.oxid FROM t1 v, t1 s
WHERE s.oxrootid = 'd8c4177d09f8b11f5.52725521' AND
v.oxrootid ='d8c4177d09f8b11f5.52725521' AND
s.oxleft > v.oxleft AND s.oxleft < v.oxright;
oxid
d8c4177d151affab2.81582770
d8c4177d206a333d2.74422679
d8c4177d225791924.30714720
d8c4177d2380fc201.39666693
d8c4177d24ccef970.14957924
DROP TABLE t1;
End of 4.1 tests