method

build_create_join_table_definition

rails latest stable - Class: ActiveRecord::ConnectionAdapters::SchemaStatements

build_create_join_table_definition(table_1, table_2, column_options: {}, **options)

public

Builds a TableDefinition object for a join table.

This definition object contains information about the table that would be created if the same arguments were passed to #create_join_table. See #create_join_table for information about what arguments should be passed.

# File activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb, line 394
      def build_create_join_table_definition(table_1, table_2, column_options: {}, **options) # :nodoc:
        join_table_name = find_join_table_name(table_1, table_2, options)
        column_options.reverse_merge!(null: false, index: false)

        t1_ref, t2_ref = [table_1, table_2].map { |t| reference_name_for_table(t) }

        build_create_table_definition(join_table_name, **options.merge!(id: false)) do |td|
          td.references t1_ref, **column_options
          td.references t2_ref, **column_options
          yield td if block_given?
        end
      end

build_create_join_table_definition

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