method

remove_references

v3.1.0 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::Table

1.0.0
1.1.6
1.2.6
2.0.3
2.1.0 (0)
2.2.1 (0)
2.3.8 (0)
3.0.0 (0)
3.0.9 (-2)
3.1.0 (0)
3.2.1 (0)
3.2.8 (0)
3.2.13 (0)
4.0.2 (-7)
4.1.8 (0)
4.2.1 (7)
4.2.7 (0)
4.2.9 (0)
5.0.0.1 (-6)
5.1.7 (0)
5.2.3 (0)
6.0.0
6.1.3.1
6.1.7.7
7.0.0
7.1.3.2
7.1.3.4
What's this?

remove_references(*args) public

Removes a reference. Optionally removes a type column. remove_references and remove_belongs_to are acceptable.

Examples

t.remove_references(:goat)
t.remove_references(:goat, :polymorphic => true)
t.remove_belongs_to(:goat)

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb, line 437
      def remove_references(*args)
        options = args.extract_options!
        polymorphic = options.delete(:polymorphic)
        args.each do |col|
          @base.remove_column(@table_name, "#{col}_id")
          @base.remove_column(@table_name, "#{col}_type") unless polymorphic.nil?
        end
      end

remove_references

Related methods

Examples