diff --git a/db/migrate/20181120182105_add_index_parent_campaign_id_to_campaign.rb b/db/migrate/20181120182105_add_index_parent_campaign_id_to_campaign.rb
new file mode 100644
index 00000000..81353b42
--- /dev/null
+++ b/db/migrate/20181120182105_add_index_parent_campaign_id_to_campaign.rb
@@ -0,0 +1,5 @@
+class AddIndexParentCampaignIdToCampaign < ActiveRecord::Migration
+  def change
+    add_index :campaigns, :parent_campaign_id
+  end
+end
diff --git a/db/structure.sql b/db/structure.sql
index be1d81c5..29f77b98 100644
--- a/db/structure.sql
+++ b/db/structure.sql
@@ -3,7 +3,7 @@
 --
 
 -- Dumped from database version 9.6.5
--- Dumped by pg_dump version 9.6.10
+-- Dumped by pg_dump version 9.6.11
 
 SET statement_timeout = 0;
 SET lock_timeout = 0;
@@ -3147,6 +3147,13 @@ CREATE INDEX index_activities_on_supporter_id ON public.activities USING btree (
 CREATE INDEX index_campaign_gifts_on_campaign_gift_option_id ON public.campaign_gifts USING btree (campaign_gift_option_id);
 
 
+--
+-- Name: index_campaigns_on_parent_campaign_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_campaigns_on_parent_campaign_id ON public.campaigns USING btree (parent_campaign_id);
+
+
 --
 -- Name: index_cards_on_id_and_holder_type_and_holder_id_and_inactive; Type: INDEX; Schema: public; Owner: -
 --
@@ -4363,3 +4370,5 @@ INSERT INTO schema_migrations (version) VALUES ('20181002160627');
 
 INSERT INTO schema_migrations (version) VALUES ('20181003212559');
 
+INSERT INTO schema_migrations (version) VALUES ('20181120182105');
+