Calculates the maximum value on a
given column. The value is returned with the same data type of the column,
or nil if there’s no row. See calculate for
examples with options.
# File activerecord/lib/active_record/relation/calculations.rb, line 77
def maximum(column_name, options = {})
# TODO: Remove options argument as soon we remove support to
# activerecord-deprecated_finders.
calculate(:maximum, column_name, options)
end
