Is make_date not available in your installation? https://www.postgresql.org/docs/9.5/functions-datetime.html#FUNCTIONS-DATETIME-TABLE https://www.postgresql.or

Is make_date not available in your installation? https://www.postgresql.org/docs/9.5/functions-datetime.html#FUNCTIONS-DATETIME-TABLE https://www.postgresql.org/docs/9.5/functions-datetime.html#...