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| author | Michael Koziarski <michael@koziarski.com> | 2007-10-19 02:09:06 +0000 |
|---|---|---|
| committer | Michael Koziarski <michael@koziarski.com> | 2007-10-19 02:09:06 +0000 |
| commit | 6ddde027c4e51262e58f67438672d66a2b278f43 (patch) | |
| tree | 8f118a3be42d0513ea3e8a456f213d109913c3ed /activerecord/lib | |
| parent | 210f7e29e2557f9519ecad801c564db7fc0ec0a5 (diff) | |
| download | rails-6ddde027c4e51262e58f67438672d66a2b278f43.tar.gz rails-6ddde027c4e51262e58f67438672d66a2b278f43.tar.bz2 rails-6ddde027c4e51262e58f67438672d66a2b278f43.zip | |
Add t.belongs_to and t.references to sexy migrations [arthurgeek]
Test harness for Sexy Migrations. [Koz]
Closes #9775
git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7973 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
Diffstat (limited to 'activerecord/lib')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb index efc7cec51f..f5a6880f56 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/schema_definitions.rb @@ -393,6 +393,24 @@ module ActiveRecord # # There's a short-hand method for each of the type values declared at the top. And then there's # TableDefinition#timestamps that'll add created_at and updated_at as datetimes. + # + # TableDefinition#references will add an appropriately-named _id column, plus a corresponding _type + # column if the :polymorphic option is supplied. If :polymorphic is a hash of options, these will be + # used when creating the _type column. So what can be written like this: + # + # create_table :taggings do |t| + # t.integer :tag_id, :tagger_id, :taggable_id + # t.string :tagger_type + # t.string :taggable_type, :default => 'Photo' + # end + # + # Can also be written as follows using references: + # + # create_table :taggings do |t| + # t.references :tag + # t.references :tagger, :polymorphic => true + # t.references :taggable, :polymorphic => { :default => 'Photo' } + # end def column(name, type, options = {}) column = self[name] || ColumnDefinition.new(@base, name, type) column.limit = options[:limit] || native[type.to_sym][:limit] if options[:limit] or native[type.to_sym] @@ -420,6 +438,18 @@ module ActiveRecord column(:updated_at, :datetime) end + def references(*args) + options = args.extract_options! + polymorphic = options.delete(:polymorphic) + args.each do |col| + column("#{col}_id", :integer, options) + unless polymorphic.nil? + column("#{col}_type", :string, polymorphic.is_a?(Hash) ? polymorphic : {}) + end + end + end + alias :belongs_to :references + # Returns a String whose contents are the column definitions # concatenated together. This string can then be pre and appended to # to generate the final SQL to create the table. |