method

foreign_key_options

v7.1.3.4 - Show latest stable - 0 notes - Class: ActiveRecord::ConnectionAdapters::SchemaStatements

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

foreign_key_options(from_table, to_table, options) public

No documentation

This method has no description. You can help the Ruby on Rails community by adding new notes.

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 1213
      def foreign_key_options(from_table, to_table, options) # :nodoc:
        options = options.dup

        if options[:primary_key].is_a?(Array)
          options[:column] ||= options[:primary_key].map do |pk_column|
            foreign_key_column_for(to_table, pk_column)
          end
        else
          options[:column] ||= foreign_key_column_for(to_table, "id")
        end

        options[:name]   ||= foreign_key_name(from_table, options)

        if options[:column].is_a?(Array) || options[:primary_key].is_a?(Array)
          if Array(options[:primary_key]).size != Array(options[:column]).size
            raise ArgumentError, <<~MSG.squish
              For composite primary keys, specify :column and :primary_key, where
              :column must reference all the :primary_key columns from #{to_table.inspect}
            MSG
          end
        end

        options
      end

foreign_key_options

Related methods

No documentation