minimum(column_name, options = {})
Calculates the minimum 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.
Person.minimum('age') # => 7
# File activerecord/lib/active_record/calculations.rb, line 65 def minimum(column_name, options = {}) calculate(:min, column_name, options) end