Commit 6c81f343 authored by unknown's avatar unknown
Browse files

Merge bk@192.168.21.1:mysql-5.0 

into mysql.com:/home/hf/work/mysql-5.0.mrg
parents bc6b7859 703aeac2

mysql-test/r/distinct.result

+21 −0
Original line number Diff line number Diff line
@@ -512,3 +512,24 @@ id IFNULL(dsc, '-') 
2	line number two

3	line number three

drop table t1;

CREATE TABLE t1 (

ID int(11) NOT NULL auto_increment,

x varchar(20) default NULL,

y decimal(10,0) default NULL,

PRIMARY KEY  (ID),

KEY (y)

) ENGINE=MyISAM DEFAULT CHARSET=latin1;

INSERT INTO t1 VALUES

(1,'ba','-1'),

(2,'ba','1150'),

(306,'ba','-1'),

(307,'ba','1150'),

(611,'ba','-1'),

(612,'ba','1150');

select count(distinct x,y) from t1;

count(distinct x,y)

2

select count(distinct concat(x,y)) from t1;

count(distinct concat(x,y))

2

drop table t1;

mysql-test/t/distinct.test

+24 −0
Original line number Diff line number Diff line
@@ -358,3 +358,27 @@ select distinct id, IFNULL(dsc, '-') from t1; 
drop table t1;



# End of 4.1 tests





#

# Bug #15745 ( COUNT(DISTINCT CONCAT(x,y)) returns wrong result)

#

CREATE TABLE t1 (

  ID int(11) NOT NULL auto_increment,

  x varchar(20) default NULL,

  y decimal(10,0) default NULL,

  PRIMARY KEY  (ID),

  KEY (y)

) ENGINE=MyISAM DEFAULT CHARSET=latin1;



INSERT INTO t1 VALUES

(1,'ba','-1'),

(2,'ba','1150'),

(306,'ba','-1'),

(307,'ba','1150'),

(611,'ba','-1'),

(612,'ba','1150');



select count(distinct x,y) from t1;

select count(distinct concat(x,y)) from t1;

drop table t1;

sql/item_sum.cc

+3 −3
Original line number Diff line number Diff line
@@ -2541,9 +2541,9 @@ bool Item_sum_count_distinct::setup(THD *thd) 
      Field *f= *field;

      enum enum_field_types type= f->type();

      tree_key_length+= f->pack_length();

      if (!f->binary() && (type == MYSQL_TYPE_STRING ||

                           type == MYSQL_TYPE_VAR_STRING ||

                           type == MYSQL_TYPE_VARCHAR))

      if ((type == MYSQL_TYPE_VARCHAR) ||

          !f->binary() && (type == MYSQL_TYPE_STRING ||

                           type == MYSQL_TYPE_VAR_STRING))

      {

        all_binary= FALSE;

        break;