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-rw-r--r--db/migrate/3_acts_as_taggable_on_migration.rb28
1 files changed, 28 insertions, 0 deletions
diff --git a/db/migrate/3_acts_as_taggable_on_migration.rb b/db/migrate/3_acts_as_taggable_on_migration.rb
new file mode 100644
index 0000000..1661061
--- /dev/null
+++ b/db/migrate/3_acts_as_taggable_on_migration.rb
@@ -0,0 +1,28 @@
+class ActsAsTaggableOnMigration < ActiveRecord::Migration
+ def self.up
+ create_table :tags do |t|
+ t.string :name
+ end
+
+ create_table :taggings do |t|
+ t.references :tag
+
+ # You should make sure that the column created is
+ # long enough to store the required class names.
+ t.references :taggable, :polymorphic => true
+ t.references :tagger, :polymorphic => true
+
+ t.string :context
+
+ t.datetime :created_at
+ end
+
+ add_index :taggings, :tag_id
+ add_index :taggings, [:taggable_id, :taggable_type, :context]
+ end
+
+ def self.down
+ drop_table :taggings
+ drop_table :tags
+ end
+end