Commit 300d3412 authored by unknown's avatar unknown
Browse files

ctype_utf8.result, ctype_utf8.test: 

  added test case
ctype-utf8.c:
  bug#11754: SET NAMES utf8 followed by SELECT "A\\" LIKE "A\\" returns 0


strings/ctype-utf8.c:
  bug#11754: SET NAMES utf8 followed by SELECT "A\\" LIKE "A\\" returns 0
mysql-test/t/ctype_utf8.test:
  added test case
mysql-test/r/ctype_utf8.result:
  added test case
parent ddc35864

mysql-test/r/ctype_utf8.result

+39 −0
Original line number Diff line number Diff line
@@ -954,6 +954,45 @@ char_length(a) length(a) a 
2	2	12

2	4	ан

drop table t1;

set names utf8;

select 'a\\' like 'a\\';

'a\\' like 'a\\'

1

select 'aa\\' like 'a%\\';

'aa\\' like 'a%\\'

1

create table t1 (a char(10), key(a)) character set utf8;

insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");

select * from t1 where a like "abc%";

a

abc

abcd

select * from t1 where a like concat("abc","%");

a

abc

abcd

select * from t1 where a like "ABC%";

a

abc

abcd

select * from t1 where a like "test%";

a

test

select * from t1 where a like "te_t";

a

test

select * from t1 where a like "%a%";

a

a

abc

abcd

select * from t1 where a like "%abcd%";

a

abcd

select * from t1 where a like "%abc\d%";

a

abcd

drop table t1;

CREATE TABLE t1 (

a varchar(255) NOT NULL default '',

KEY a (a)

mysql-test/t/ctype_utf8.test

+21 −0
Original line number Diff line number Diff line
@@ -810,6 +810,27 @@ alter table t1 modify a char(2) character set utf8; 
select char_length(a), length(a), a from t1 order by a;

drop table t1;





#

# Bugs#11754: SET NAMES utf8 followed by SELECT "A\\" LIKE "A\\" returns 0

#

set names utf8;

select 'a\\' like 'a\\';

select 'aa\\' like 'a%\\';



create table t1 (a char(10), key(a)) character set utf8;

insert into t1 values ("a"),("abc"),("abcd"),("hello"),("test");

select * from t1 where a like "abc%";

select * from t1 where a like concat("abc","%");

select * from t1 where a like "ABC%";

select * from t1 where a like "test%";

select * from t1 where a like "te_t";

select * from t1 where a like "%a%";

select * from t1 where a like "%abcd%";

select * from t1 where a like "%abc\d%";

drop table t1;





#

# Bug#9557 MyISAM utf8 table crash

#

strings/ctype-utf8.c

+10 −8
Original line number Diff line number Diff line
@@ -1557,7 +1557,7 @@ int my_wildcmp_unicode(CHARSET_INFO *cs, 
      }



      wildstr+= scan;

      if (w_wc ==  (my_wc_t)escape)

      if (w_wc ==  (my_wc_t)escape && wildstr < wildend)

      {

        if ((scan= mb_wc(cs, &w_wc, (const uchar*)wildstr,

                         (const uchar*)wildend)) <= 0)
@@ -1629,13 +1629,17 @@ int my_wildcmp_unicode(CHARSET_INFO *cs, 
      if ((scan= mb_wc(cs, &w_wc, (const uchar*)wildstr,

                       (const uchar*)wildend)) <=0)

        return 1;

      wildstr+= scan;

      

      if (w_wc ==  (my_wc_t)escape)

      {

        wildstr+= scan;

        if (wildstr < wildend)

        {

          if ((scan= mb_wc(cs, &w_wc, (const uchar*)wildstr,

                           (const uchar*)wildend)) <=0)

            return 1;

          wildstr+= scan;

        }

      }

      

      while (1)
@@ -1661,14 +1665,12 @@ int my_wildcmp_unicode(CHARSET_INFO *cs, 
        if (str == str_end)

          return -1;

        

        str+= scan;

        result= my_wildcmp_unicode(cs, str, str_end, wildstr, wildend,

                                   escape, w_one, w_many,

                                   weights);

        

        if (result <= 0)

          return result;

        

        str+= scan;

      } 

    }

  }