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-rw-r--r--db/migrate/20170112154826_migrate_settings.rb19
1 files changed, 19 insertions, 0 deletions
diff --git a/db/migrate/20170112154826_migrate_settings.rb b/db/migrate/20170112154826_migrate_settings.rb
new file mode 100644
index 000000000..f6f6ed531
--- /dev/null
+++ b/db/migrate/20170112154826_migrate_settings.rb
@@ -0,0 +1,19 @@
+class MigrateSettings < ActiveRecord::Migration
+  def up
+    remove_index :settings, [:target_type, :target_id, :var]
+    rename_column :settings, :target_id, :thing_id
+    rename_column :settings, :target_type, :thing_type
+    change_column :settings, :thing_id, :integer, null: true, default: nil
+    change_column :settings, :thing_type, :string, null: true, default: nil
+    add_index :settings, [:thing_type, :thing_id, :var], unique: true
+  end
+
+  def down
+    remove_index :settings, [:thing_type, :thing_id, :var]
+    rename_column :settings, :thing_id, :target_id
+    rename_column :settings, :thing_type, :target_type
+    change_column :settings, :target_id, :integer, null: false
+    change_column :settings, :target_type, :string, null: false, default: ''
+    add_index :settings, [:target_type, :target_id, :var], unique: true
+  end
+end