DAYOFWEEK(), and WEEKDAY().


mysql-test/r/func_time.result:
  Fixed new results for testcases containing EXPLAIN EXTENDED SELECT ...
   WEEKDAY ... DAYNAME. The new results are correct and correspond to
   the changes in create_func_weekday() and create_func_dayname().
mysql-test/r/view.result:
  Fixed some testcases results (bugs #12963, #13000).
mysql-test/t/view.test:
  Added testcases for for bugs #12963, #13000.
sql/item_create.cc:
  Fixed bugs #12963, #13000: wrong VIEW creation with DAYNAME(),
   DAYOFWEEK(), and WEEKDAY().
   Modified create_func_dayname(), create_func_dayofweek(), and
   create_func_weekday(). They don´t insert Item_func_to_days
   object now.
sql/item_timefunc.cc:
  Fixed bugs #12963, #13000: wrong VIEW creation with DAYNAME(),
   DAYOFWEEK(), and WEEKDAY().
   Modified Item_func_weekday::val_int(). The argument of weekday should
   not be considered now to be Item_func_to_days object.
sql/item_timefunc.h:
  Fixed bugs #12963, 13000: wrong VIEW creation with DAYNAME(),
   DAYOFWEEK(), and WEEKDAY.
   Modified Item_func_weekday::func_name(). It returns now different
   names depending on the odbc_type attribute value.