increase url length on topic_embed

db/migrate/20150421085850_increase_url_length_on_topic_embed.rb

@@ -0,0 +1,10 @@
+class IncreaseUrlLengthOnTopicEmbed < ActiveRecord::Migration
+  def up
+    remove_index :topic_embeds, :embed_url
+    change_column :topic_embeds, :embed_url, :string, limit: 1000, null: false
+    add_index :topic_embeds, :embed_url, unique: true
+  end
+
+  def down
+  end
+end