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space-stripping in _mi_prefix_search: BUG#5284

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This commit is contained in:
unknown 2004-08-30 16:12:53 +02:00
commit 7982187476
3 changed files with 30 additions and 3 deletions
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5
myisam/mi_search.c
View file

@ -451,9 +451,8 @@ int _mi_prefix_search(MI_INFO *info, register MI_KEYDEF *keyinfo, uchar *page,
/* We have to compare k and vseg as if they where space extended */
for (end=vseg + (len-cmplen) ;
vseg < end && *vseg == (uchar) ' ';
vseg++) ;
if (vseg == end)
goto cmp_rest; /* should never happen */
vseg++, matched++) ;
DBUG_ASSERT(vseg < end);
if (*vseg > (uchar) ' ')
{

16
mysql-test/r/myisam.result
View file

@ -428,6 +428,22 @@ select * from t1 where a='807780' and b='477' and c='165';
a b c
807780 477 165
drop table t1;
DROP TABLE IF EXISTS t1;
Warnings:
Note 1051 Unknown table 't1'
CREATE TABLE t1 (a varchar(150) NOT NULL, KEY (a));
INSERT t1 VALUES ("can \tcan");
INSERT t1 VALUES ("can can");
INSERT t1 VALUES ("can");
SELECT * FROM t1;
a
can can
can
can can
CHECK TABLE t1;
Table Op Msg_type Msg_text
test.t1 check status OK
DROP TABLE t1;
create table t1 (a blob);
insert into t1 values('a '),('a');
select concat(a,'.') from t1 where a='a';

12
mysql-test/t/myisam.test
View file

@ -422,6 +422,18 @@ insert into t1 values('807780', '472', '162');
select * from t1 where a='807780' and b='477' and c='165';
drop table t1;
#
# space-stripping in _mi_prefix_search: BUG#5284
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a varchar(150) NOT NULL, KEY (a));
INSERT t1 VALUES ("can \tcan");
INSERT t1 VALUES ("can can");
INSERT t1 VALUES ("can");
SELECT * FROM t1;
CHECK TABLE t1;
DROP TABLE t1;
#
# Verify blob handling
#