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Bug #20536: md5() with GROUP BY and UCS2 return different results on myisam/innodb

Make the encryption functions MD5(), SHA1() and ENCRYPT() return binary results.
    
Make MAKE_SET() and EXPORT_SET() use the correct character set for their default separator strings.


mysql-test/r/ctype_ucs.result:
  Add tests for bug #20536.
mysql-test/t/ctype_ucs.test:
  Add tests for bug #20536.
  
  Tests showing correct behavior for MD5(), SHA1(), MAKE_SET() and EXPORT_SET().
  
  Also, tests showing incorrect behavior, which will remain "Won't fix", for
  PASSWORD(), OLD_PASSWORD(), ENCRYPT() and QUOTE().
sql/item_strfunc.cc:
  Make the encryption functions MD5(), SHA1() and ENCRYPT() return binary results.
  
  Make MAKE_SET() and EXPORT_SET() use the correct character set for their default separator strings.
sql/item_strfunc.h:
  Make the encryption functions MD5(), SHA1() and ENCRYPT() return binary results.
This commit is contained in:
unknown
2006-08-11 17:09:19 -06:00
parent 5a77e566ab
commit 3212b399a8
4 changed files with 115 additions and 9 deletions

View File

@ -722,3 +722,46 @@ id MIN(s)
1 ZZZ
2 ZZZ
DROP TABLE t1;
drop table if exists bug20536;
set names latin1;
create table bug20536 (id bigint not null auto_increment primary key, name
varchar(255) character set ucs2 not null);
insert into `bug20536` (`id`,`name`) values (1, _latin1 x'74657374311a'), (2, "'test\\_2'");
select md5(name) from bug20536;
md5(name)
3417d830fe24ffb2f81a28e54df2d1b3
48d95db0d8305c2fe11548a3635c9385
select sha1(name) from bug20536;
sha1(name)
72228a6d56efb7a89a09543068d5d8fa4c330881
677d4d505355eb5b0549b865fcae4b7f0c28aef5
select make_set(3, name, upper(name)) from bug20536;
make_set(3, name, upper(name))
test1,TEST1
'test\_2','TEST\_2'
select export_set(5, name, upper(name)) from bug20536;
export_set(5, name, upper(name))
test1,TEST1,test1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1,TEST1
'test\_2','TEST\_2','test\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2','TEST\_2'
select export_set(5, name, upper(name), ",", 5) from bug20536;
export_set(5, name, upper(name), ",", 5)
test1,TEST1,test1,TEST1,TEST1
'test\_2','TEST\_2','test\_2','TEST\_2','TEST\_2'
select password(name) from bug20536;
password(name)
????????????????????
????????????????????
select old_password(name) from bug20536;
old_password(name)
????????
????????
select encrypt(name, 'SALT') from bug20536;
encrypt(name, 'SALT')
SA5pDi1UPZdys
SA5pDi1UPZdys
select quote(name) from bug20536;
quote(name)
??????????
????????????????
drop table bug20536;
End of 4.1 tests

View File

@ -463,4 +463,43 @@ INSERT INTO t1 VALUES (1, 'ZZZZZ'), (1, 'ZZZ'), (2, 'ZZZ'), (2, 'ZZZZZ');
SELECT id, MIN(s) FROM t1 GROUP BY id;
DROP TABLE t1;
# End of 4.1 tests
#
# Bug #20536: md5() with GROUP BY and UCS2 return different results on myisam/innodb
#
--disable_warnings
drop table if exists bug20536;
--enable_warnings
set names latin1;
create table bug20536 (id bigint not null auto_increment primary key, name
varchar(255) character set ucs2 not null);
insert into `bug20536` (`id`,`name`) values (1, _latin1 x'74657374311a'), (2, "'test\\_2'");
select md5(name) from bug20536;
select sha1(name) from bug20536;
select make_set(3, name, upper(name)) from bug20536;
select export_set(5, name, upper(name)) from bug20536;
select export_set(5, name, upper(name), ",", 5) from bug20536;
# Some broken functions: add these tests just to document current behavior.
# PASSWORD and OLD_PASSWORD don't work with UCS2 strings, but to fix it would
# not be backwards compatible in all cases, so it's best to leave it alone
select password(name) from bug20536;
select old_password(name) from bug20536;
# ENCRYPT relies on OS function crypt() which takes a NUL-terminated string; it
# doesn't return good results for strings with embedded 0 bytes. It won't be
# fixed unless we choose to re-implement the crypt() function ourselves to take
# an extra size_t string_length argument.
select encrypt(name, 'SALT') from bug20536;
# QUOTE doesn't work with UCS2 data. It would require a total rewrite
# of Item_func_quote::val_str(), which isn't worthwhile until UCS2 is
# supported fully as a client character set.
select quote(name) from bug20536;
drop table bug20536;
--echo End of 4.1 tests