date_function

<date_function> ::=
  {ADDDATE | ADD_MONTHS} (<date_or_timestamp_expression>,<expression>)
| DATEDIFF (<date_or_timestamp_expression>,<date_or_timestamp_expression>)
| {DAYNAME | DAYOFMONTH | DAYOFWEEK | DAYOFYEAR | MONTHNAME | WEEKOFYEAR} (<date_or_timestamp_expression>)
| MAKEDATE (<expression>,<expression>)
| SUBDATE (<date_or_timestamp_expression>,<expression>)

Referenced by:

<function_spec>