method

remove_reference

v4.2.7 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::SchemaStatements

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What's this?

remove_reference(table_name, ref_name, options = {}) public

Removes the reference(s). Also removes a type column if one exists. remove_reference, remove_references and remove_belongs_to are acceptable.

Remove the reference

remove_reference(:products, :user, index: true)

Remove polymorphic reference

remove_reference(:products, :supplier, polymorphic: true)

Remove the reference with a foreign key

remove_reference(:products, :user, index: true, foreign_key: true)

Show source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 702
      def remove_reference(table_name, ref_name, options = {})
        if options[:foreign_key]
          to_table = Base.pluralize_table_names ? ref_name.to_s.pluralize : ref_name
          remove_foreign_key(table_name, to_table)
        end

        remove_column(table_name, "#{ref_name}_id")
        remove_column(table_name, "#{ref_name}_type") if options[:polymorphic]
      end

remove_reference

Related methods

Remove the reference

Remove polymorphic reference

Remove the reference with a foreign key