Add boolean 'external' column to custom emoji table

changelogs/unreleased/custom-emoji-external-column.yml

+---
+title: Add external column to custom emoji table
+merge_request: 37346
+author: Rajendra Kadam
+type: added

db/migrate/20200720154123_add_external_to_custom_emoji.rb

+# frozen_string_literal: true
+
+class AddExternalToCustomEmoji < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :custom_emoji, :external, :boolean, default: true, null: false
+  end
+end

db/structure.sql

@@ -10918,6 +10918,7 @@ CREATE TABLE public.custom_emoji (
     updated_at timestamp with time zone NOT NULL,
     name text NOT NULL,
     file text NOT NULL,
+    external boolean DEFAULT true NOT NULL,
     CONSTRAINT check_8c586dd507 CHECK ((char_length(name) <= 36)),
     CONSTRAINT check_dd5d60f1fb CHECK ((char_length(file) <= 255))
 );
@@ -23998,5 +23999,6 @@ COPY "schema_migrations" (version) FROM STDIN;
 20200718040100
 20200718040200
 20200718040300
+20200720154123
 \.
 

spec/models/custom_emoji_spec.rb

@@ -8,6 +8,7 @@ RSpec.describe CustomEmoji do
     it { is_expected.to have_db_column(:file) }
     it { is_expected.to validate_length_of(:name).is_at_most(36) }
     it { is_expected.to validate_presence_of(:name) }
+    it { is_expected.to have_db_column(:external) }
   end
 
   describe 'exclusion of duplicated emoji' do