Migration & Schema änderungen für Die Semester

db/migrate/20130729085446_create_lva_semester_join_table.rb

@@ -0,0 +1,21 @@
+class CreateLvaSemesterJoinTable < ActiveRecord::Migration
+  def self.up
+    create_table :lvas_semesters, :id=>false do |t|
+      t.integer  :lva_id
+      t.integer  :semester_id
+    end
+    add_index :lva_semesters, [:lva_id, :semester_id]
+    add_index :lva_semesters, :semester_id
+  end
+  def change
+    create_table :lvas_semesters, :id=>false do |t|
+      t.integer  :lva_id
+      t.integer  :semester_id
+    end
+    add_index :lva_semesters, [:lva_id, :semester_id]
+    add_index :lva_semesters, :semester_id
+  end 
+  def self.down
+    drop_table :lva_semesters
+  end
+end

db/schema.rb

@@ -11,7 +11,7 @@
 #
 # It's strongly recommended to check this file into your version control system.
 
-ActiveRecord::Schema.define(:version => 20130214233723) do
+ActiveRecord::Schema.define(:version => 20130729085446) do
 
   create_table "beispiele", :force => true do |t|
     t.string   "name"
@@ -50,6 +50,11 @@ ActiveRecord::Schema.define(:version => 20130214233723) do
     t.integer "modul_id"
   end
 
+  create_table "lvas_semesters", :force => true do |t|
+    t.integer "lva_id"
+    t.integer "semester_id"
+  end
+
   create_table "modul_translations", :force => true do |t|
     t.integer  "modul_id"
     t.string   "locale"