tags: drop related_tags column.

db/migrate/20190908031103_drop_related_tags_from_tags.rb

@@ -0,0 +1,6 @@
+class DropRelatedTagsFromTags < ActiveRecord::Migration[6.0]
+  def change
+    remove_column :tags, :related_tags, :text
+    remove_column :tags, :related_tags_updated_at, :datetime
+  end
+end

db/structure.sql

@@ -2880,8 +2880,6 @@ CREATE TABLE public.tags (
     name character varying NOT NULL,
     post_count integer DEFAULT 0 NOT NULL,
     category integer DEFAULT 0 NOT NULL,
-    related_tags text,
-    related_tags_updated_at timestamp without time zone,
     created_at timestamp without time zone NOT NULL,
     updated_at timestamp without time zone NOT NULL,
     is_locked boolean DEFAULT false NOT NULL
@@ -7316,6 +7314,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20190828005453'),
 ('20190829052629'),
 ('20190829055758'),
-('20190902224045');
+('20190902224045'),
+('20190908031103');
 
 

test/factories/tag.rb

@@ -3,8 +3,6 @@ FactoryBot.define do
     name {"#{FFaker::Name.first_name.downcase}#{rand(1000)}"}
     post_count {0}
     category {Tag.categories.general}
-    related_tags {""}
-    related_tags_updated_at {Time.now}
 
     factory(:artist_tag) do
       category {Tag.categories.artist}