Commit 79821874 authored by unknown's avatar unknown
Browse files

space-stripping in _mi_prefix_search: BUG#5284

parent d8f416a2

myisam/mi_search.c

+2 −3
Original line number Diff line number Diff line
@@ -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) ' ')

	  {

mysql-test/r/myisam.result

+16 −0
Original line number Diff line number Diff line
@@ -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';

mysql-test/t/myisam.test

+12 −0
Original line number Diff line number Diff line
@@ -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

#