Add the AddPublishedAtToProcedure migration

db/migrate/20170627091953_add_published_at_to_procedure.rb

@@ -0,0 +1,5 @@
+class AddPublishedAtToProcedure < ActiveRecord::Migration[5.0]
+  def change
+    add_column :procedures, :published_at, :datetime
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 20170601123221) do
+ActiveRecord::Schema.define(version: 20170627091953) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -381,7 +381,8 @@ ActiveRecord::Schema.define(version: 20170601123221) do
     t.string   "lien_notice"
     t.boolean  "for_individual",        default: false
     t.boolean  "individual_with_siret", default: false
-    t.date     "auto_archive_on"
+    t.datetime "auto_archive_on"
+    t.datetime "published_at"
   end
 
   create_table "quartier_prioritaires", force: :cascade do |t|
@@ -500,4 +501,5 @@ ActiveRecord::Schema.define(version: 20170601123221) do
        LEFT JOIN individuals ON ((individuals.dossier_id = dossiers.id)))
        LEFT JOIN pieces_justificatives ON ((pieces_justificatives.dossier_id = dossiers.id)));
   SQL
+
 end