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-rw-r--r--activerecord/CHANGELOG.md7
-rw-r--r--activerecord/lib/rails/generators/active_record/migration/templates/create_table_migration.rb2
-rw-r--r--railties/lib/rails/generators/migration.rb5
-rw-r--r--railties/test/generators/migration_generator_test.rb13
4 files changed, 26 insertions, 1 deletions
diff --git a/activerecord/CHANGELOG.md b/activerecord/CHANGELOG.md
index 0c3c21202f..258b2be899 100644
--- a/activerecord/CHANGELOG.md
+++ b/activerecord/CHANGELOG.md
@@ -1,3 +1,10 @@
+* Add ability to default to `uuid` as primary key when generating database migrations
+
+ Set `Rails.application.config.active_record.primary_key = :uuid`
+ or `config.active_record.primary_key = :uuid` in config/application.rb
+
+ *Jon McCartie*
+
* Don't cache arguments in #find_by if they are an ActiveRecord::Relation
Fixes #20817
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 5b3e57dcf6..4a7deb3c75 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
@@ -1,6 +1,6 @@
class <%= migration_class_name %> < ActiveRecord::Migration
def change
- create_table :<%= table_name %> do |t|
+ create_table :<%= table_name %><%= id_kind %> do |t|
<% attributes.each do |attribute| -%>
<% if attribute.password_digest? -%>
t.string :password_digest<%= attribute.inject_options %>
diff --git a/railties/lib/rails/generators/migration.rb b/railties/lib/rails/generators/migration.rb
index 87f2e1d42b..a755471a4b 100644
--- a/railties/lib/rails/generators/migration.rb
+++ b/railties/lib/rails/generators/migration.rb
@@ -30,6 +30,11 @@ module Rails
end
end
+ def id_kind
+ kind = Rails.application.config.active_record.primary_key rescue nil
+ ", id: :#{kind}" if kind
+ end
+
def create_migration(destination, data, config = {}, &block)
action Rails::Generators::Actions::CreateMigration.new(self, destination, block || data.to_s, config)
end
diff --git a/railties/test/generators/migration_generator_test.rb b/railties/test/generators/migration_generator_test.rb
index 57bc220558..a7f807b747 100644
--- a/railties/test/generators/migration_generator_test.rb
+++ b/railties/test/generators/migration_generator_test.rb
@@ -221,6 +221,19 @@ class MigrationGeneratorTest < Rails::Generators::TestCase
end
end
+ def test_add_uuid_to_create_table_migration
+ previous_value = Rails.application.config.active_record.primary_key
+ Rails.application.config.active_record.primary_key = :uuid
+ run_generator ["create_books"]
+ assert_migration "db/migrate/create_books.rb" do |content|
+ assert_method :change, content do |change|
+ assert_match(/create_table :books, id: :uuid/, change)
+ end
+ end
+
+ Rails.application.config.active_record.primary_key = previous_value
+ end
+
def test_should_create_empty_migrations_if_name_not_start_with_add_or_remove_or_create
migration = "delete_books"
run_generator [migration, "title:string", "content:text"]