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

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holyfoot@deer.(none)
2006-03-05 20:48:31 +04:00
parent 1a07140515
commit a920d0df86
3 changed files with 48 additions and 3 deletions
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6
sql/item_sum.cc
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@@ -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;