Commit 032108c6 authored by unknown's avatar unknown
Browse files

Merge kboortz@bk-internal.mysql.com:/home/bk/mysql-5.0

into mysql.com:/Users/kent/mysql/bk/mysql-5.0-new

parents 0e6c94e1 6c81f343
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+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;
+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;
+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;
+2 −1
Original line number Diff line number Diff line
@@ -223,7 +223,7 @@ static int find_keyword(LEX *lex, uint len, bool function)

  SYNOPSIS
    is_keyword()
    name      checked name
    name      checked name (must not be empty)
    len       length of checked name

  RETURN VALUES
@@ -233,6 +233,7 @@ static int find_keyword(LEX *lex, uint len, bool function)

bool is_keyword(const char *name, uint len)
{
  DBUG_ASSERT(len != 0);
  return get_hash_symbol(name,len,0)!=0;
}

+2 −1
Original line number Diff line number Diff line
@@ -713,7 +713,8 @@ append_identifier(THD *thd, String *packet, const char *name, uint length)

int get_quote_char_for_identifier(THD *thd, const char *name, uint length)
{
  if (!is_keyword(name,length) &&
  if (!length ||
      !is_keyword(name,length) &&
      !require_quotes(name, length) &&
      !(thd->options & OPTION_QUOTE_SHOW_CREATE))
    return EOF;