Add published_at to procedure_revisions

app/models/procedure_revision.rb

@@ -3,6 +3,7 @@
 # Table name: procedure_revisions
 #
 #  id           :bigint           not null, primary key
+#  published_at :datetime
 #  created_at   :datetime         not null
 #  updated_at   :datetime         not null
 #  procedure_id :bigint           not null

db/migrate/20210120121240_add_published_at_to_procedure_revisions.rb

@@ -0,0 +1,5 @@
+class AddPublishedAtToProcedureRevisions < ActiveRecord::Migration[6.0]
+  def change
+    add_column :procedure_revisions, :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: 2021_05_06_135603) do
+ActiveRecord::Schema.define(version: 2021_05_07_135603) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -533,6 +533,7 @@ ActiveRecord::Schema.define(version: 2021_05_06_135603) do
     t.bigint "procedure_id", null: false
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
+    t.datetime "published_at"
     t.index ["procedure_id"], name: "index_procedure_revisions_on_procedure_id"
   end