mysql-test/r/func_str.result:
  new results
sql/item.cc:
  charset changed
  printing string moved to String
sql/item_cmpfunc.cc:
  new comparation class builder to avoid long switch
  new print_agrs used
sql/item_cmpfunc.h:
  new comparation class builder to avoid long switch
sql/item_func.cc:
  new print_agrs
sql/item_func.h:
  new print_agrs
sql/item_strfunc.cc:
  new print_agrs
sql/item_subselect.cc:
  new comparation class builder to avoid long switch
sql/item_subselect.h:
  new comparation class builder to avoid long switch
sql/item_timefunc.cc:
  charset changed
sql/mysql_priv.h:
  new comparation class builder to avoid long switch
sql/mysqld.cc:
  new comparation class builder to avoid long switch
sql/sql_parse.cc:
  new comparation class builder to avoid long switch
sql/sql_string.cc:
  string printing moved to String class
sql/sql_string.h:
  string printing moved to String class
sql/sql_yacc.yy:
  birect class creation where it is possible