Add latest changes from gitlab-org/gitlab@master

1 files changed, 19 insertions, 0 deletions

diff --git a/db/migrate/20191003130045_create_issue_user_mentions.rb b/db/migrate/20191003130045_create_issue_user_mentions.rb
new file mode 100644
index 00000000000..e465a307f44
--- /dev/null
+++ b/db/migrate/20191003130045_create_issue_user_mentions.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class CreateIssueUserMentions < ActiveRecord::Migration[5.2]
+  DOWNTIME = false
+
+  def change
+    create_table :issue_user_mentions do |t|
+      t.references :issue, type: :integer, index: false, null: false, foreign_key: { on_delete: :cascade }
+      t.references :note, type: :integer,
+                   index: { where: 'note_id IS NOT NULL', unique: true }, null: true, foreign_key: { on_delete: :cascade }
+      t.integer    :mentioned_users_ids, array: true
+      t.integer    :mentioned_projects_ids, array: true
+      t.integer    :mentioned_groups_ids, array: true
+    end
+
+    add_index :issue_user_mentions, [:issue_id], where: 'note_id is null', unique: true, name: 'issue_user_mentions_on_issue_id_index'
+    add_index :issue_user_mentions, [:issue_id, :note_id], unique: true, name: 'issue_user_mentions_on_issue_id_and_note_id_index'
+  end
+end