method

column_for_attribute

v4.1.8 - Show latest stable - 0 notes - Class: ActiveRecord::AttributeMethods

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What's this?

column_for_attribute(name) public

Returns the column object for the named attribute. Returns nil if the named attribute not exists.

class Person < ActiveRecord::Base
end

person = Person.new
person.column_for_attribute(:name) # the result depends on the ConnectionAdapter
# => #<ActiveRecord::ConnectionAdapters::SQLite3Column:0x007ff4ab083980 @name="name", @sql_type="varchar(255)", @null=true, ...>

person.column_for_attribute(:nothing)
# => nil

Show source

# File activerecord/lib/active_record/attribute_methods.rb, line 360
    def column_for_attribute(name)
      # FIXME: should this return a null object for columns that don't exist?
      self.class.columns_hash[name.to_s]
    end

column_for_attribute

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