basic row Items (SCRUM)

include/mysql_com.h:
  basic row Items
include/mysqld_error.h:
  more wide error mening
libmysqld/Makefile.am:
  basic row Items
mysql-test/r/subselect.result:
  more wide error mening
sql/Makefile.am:
  basic row Items
sql/filesort.cc:
  basic row Items
sql/item.cc:
  basic row Items
sql/item.h:
  basic row Items
sql/item_cmpfunc.cc:
  basic row Items
sql/item_cmpfunc.h:
  basic row Items
sql/item_func.cc:
  basic row Items
sql/item_func.h:
  basic row Items
sql/item_strfunc.cc:
  basic row Items
sql/item_strfunc.h:
  basic row Items
sql/item_subselect.cc:
  basic row Items
sql/item_sum.cc:
  basic row Items
sql/share/czech/errmsg.txt:
  more wide error mening
sql/share/danish/errmsg.txt:
  more wide error mening
sql/share/dutch/errmsg.txt:
  more wide error mening
sql/share/english/errmsg.txt:
  more wide error mening
sql/share/estonian/errmsg.txt:
  more wide error mening
sql/share/french/errmsg.txt:
  more wide error mening
sql/share/german/errmsg.txt:
  more wide error mening
sql/share/greek/errmsg.txt:
  more wide error mening
sql/share/hungarian/errmsg.txt:
  more wide error mening
sql/share/italian/errmsg.txt:
  more wide error mening
sql/share/japanese/errmsg.txt:
  more wide error mening
sql/share/korean/errmsg.txt:
  more wide error mening
sql/share/norwegian-ny/errmsg.txt:
  more wide error mening
sql/share/norwegian/errmsg.txt:
  more wide error mening
sql/share/polish/errmsg.txt:
  more wide error mening
sql/share/portuguese/errmsg.txt:
  more wide error mening
sql/share/romanian/errmsg.txt:
  more wide error mening
sql/share/russian/errmsg.txt:
  more wide error mening
sql/share/serbian/errmsg.txt:
  more wide error mening
sql/share/slovak/errmsg.txt:
  more wide error mening
sql/share/spanish/errmsg.txt:
  more wide error mening
sql/share/swedish/errmsg.txt:
  more wide error mening
sql/share/ukrainian/errmsg.txt:
  more wide error mening
sql/sql_base.cc:
  fix_fields error handling
sql/sql_lex.cc:
  basic row Items
sql/sql_select.cc:
  basic row Items
sql/sql_yacc.yy:
  basic row Items

include/mysql_com.h

@@ -241,7 +241,7 @@ struct rand_struct {
 
   /* The following is for user defined functions */
 
-enum Item_result {STRING_RESULT,REAL_RESULT,INT_RESULT};
+enum Item_result {STRING_RESULT, REAL_RESULT, INT_RESULT, ROW_RESULT};
 
 typedef struct st_udf_args
 {