instance method `remove_reference`

Ruby on Rails 4.1.16

Since v4.0.13

Available in: v4.0.13 v4.1.16 v4.2.9 v5.2.8.1 v6.0.6 v6.1.7.10 v7.0.10 v7.1.6 v7.2.3 v8.0.4 v8.1.2

Compare with:

remove_reference(table_name, ref_name, options = {})

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)

Parameters

table_name req
ref_name req
options opt = {}

Source

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 639
      def remove_reference(table_name, ref_name, options = {})
        remove_column(table_name, "#{ref_name}_id")
        remove_column(table_name, "#{ref_name}_type") if options[:polymorphic]
      end

Defined in activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb line 639 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveRecord::ConnectionAdapters::SchemaStatements

Signature

Remove the reference

Remove polymorphic reference

Parameters