diff options
5 files changed, 60 insertions, 1 deletions
diff --git a/activerecord/lib/rails/generators/active_record/migration/templates/create_table_migration.rb b/activerecord/lib/rails/generators/active_record/migration/templates/create_table_migration.rb index f7bf6987c4..fb0fbb4759 100644 --- a/activerecord/lib/rails/generators/active_record/migration/templates/create_table_migration.rb +++ b/activerecord/lib/rails/generators/active_record/migration/templates/create_table_migration.rb @@ -15,5 +15,8 @@ class <%= migration_class_name %> < ActiveRecord::Migration <% attributes_with_index.each do |attribute| -%> add_index :<%= table_name %>, :<%= attribute.index_name %><%= attribute.inject_index_options %> <% end -%> +<% attributes.select(&:reference?).reject(&:polymorphic?).each do |attribute| -%> + add_foreign_key :<%= table_name %>, :<%= attribute.name.pluralize %> +<% end -%> end end diff --git a/activerecord/lib/rails/generators/active_record/migration/templates/migration.rb b/activerecord/lib/rails/generators/active_record/migration/templates/migration.rb index ae9c74fd05..7df9bcad25 100644 --- a/activerecord/lib/rails/generators/active_record/migration/templates/migration.rb +++ b/activerecord/lib/rails/generators/active_record/migration/templates/migration.rb @@ -4,6 +4,9 @@ class <%= migration_class_name %> < ActiveRecord::Migration <% attributes.each do |attribute| -%> <%- if attribute.reference? -%> add_reference :<%= table_name %>, :<%= attribute.name %><%= attribute.inject_options %> + <%- unless attribute.polymorphic? -%> + add_foreign_key :<%= table_name %>, :<%= attribute.name.pluralize %> + <%- end -%> <%- else -%> add_column :<%= table_name %>, :<%= attribute.name %>, :<%= attribute.type %><%= attribute.inject_options %> <%- if attribute.has_index? -%> @@ -26,6 +29,9 @@ class <%= migration_class_name %> < ActiveRecord::Migration <%- if migration_action -%> <%- if attribute.reference? -%> remove_reference :<%= table_name %>, :<%= attribute.name %><%= attribute.inject_options %> + <%- unless attribute.polymorphic? -%> + remove_foreign_key :<%= table_name %>, :<%= attribute.name.pluralize %> + <%- end -%> <%- else -%> <%- if attribute.has_index? -%> remove_index :<%= table_name %>, :<%= attribute.index_name %><%= attribute.inject_index_options %> diff --git a/railties/CHANGELOG.md b/railties/CHANGELOG.md index aa6b142932..ff6dcac465 100644 --- a/railties/CHANGELOG.md +++ b/railties/CHANGELOG.md @@ -1,3 +1,8 @@ +* Generated migrations add the appropriate foreign key constraints to + references. + + *Derek Prior* + * Deprecate different default for `log_level` in production. *Godfrey Chan*, *Matthew Draper* diff --git a/railties/test/generators/migration_generator_test.rb b/railties/test/generators/migration_generator_test.rb index 72f5fe29ca..c2c8e2abad 100644 --- a/railties/test/generators/migration_generator_test.rb +++ b/railties/test/generators/migration_generator_test.rb @@ -85,6 +85,18 @@ class MigrationGeneratorTest < Rails::Generators::TestCase end end + def test_remove_migration_with_references_removes_foreign_keys + migration = "remove_references_from_books" + run_generator [migration, "author:belongs_to", "distributor:references{polymorphic}"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/remove_foreign_key :books, :authors/, change) + assert_no_match(/remove_foreign_key :books, :distributors/, change) + end + end + end + def test_add_migration_with_attributes_and_indices migration = "add_title_with_index_and_body_to_posts" run_generator [migration, "title:string:index", "body:text", "user_id:integer:uniq"] @@ -171,6 +183,18 @@ class MigrationGeneratorTest < Rails::Generators::TestCase end end + def test_add_migration_with_references_adds_foreign_keys + migration = "add_references_to_books" + run_generator [migration, "author:belongs_to", "distributor:references{polymorphic}"] + + assert_migration "db/migrate/#{migration}.rb" do |content| + assert_method :change, content do |change| + assert_match(/add_foreign_key :books, :authors/, change) + assert_no_match(/add_foreign_key :books, :distributors/, change) + end + end + end + def test_create_join_table_migration migration = "add_media_join_table" run_generator [migration, "artist_id", "musics:uniq"] @@ -205,7 +229,7 @@ class MigrationGeneratorTest < Rails::Generators::TestCase end end end - + def test_properly_identifies_usage_file assert generator_class.send(:usage_path) end diff --git a/railties/test/generators/model_generator_test.rb b/railties/test/generators/model_generator_test.rb index c78597c81b..ac7a0acf6b 100644 --- a/railties/test/generators/model_generator_test.rb +++ b/railties/test/generators/model_generator_test.rb @@ -407,6 +407,27 @@ class ModelGeneratorTest < Rails::Generators::TestCase end end + def test_foreign_key_is_added_for_references + run_generator ["account", "supplier:belongs_to", "user:references"] + + assert_migration "db/migrate/create_accounts.rb" do |m| + assert_method :change, m do |up| + assert_match(/add_foreign_key :accounts, :suppliers/, up) + assert_match(/add_foreign_key :accounts, :users/, up) + end + end + end + + def test_foreign_key_is_skipped_for_polymorphic_references + run_generator ["account", "supplier:belongs_to{polymorphic}"] + + assert_migration "db/migrate/create_accounts.rb" do |m| + assert_method :change, m do |up| + assert_no_match(/add_foreign_key :accounts, :suppliers/, up) + end + end + end + private def assert_generated_fixture(path, parsed_contents) fixture_file = File.new File.expand_path(path, destination_root) |