1 files changed, 24 insertions, 0 deletions
diff --git a/db/migrate/20200521225327_create_alert_management_alert_assignees.rb b/db/migrate/20200521225327_create_alert_management_alert_assignees.rb
new file mode 100644
index 00000000000..095b2fdfeee
--- /dev/null
+++ b/db/migrate/20200521225327_create_alert_management_alert_assignees.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class CreateAlertManagementAlertAssignees < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  ALERT_INDEX_NAME = 'index_alert_assignees_on_alert_id'
+  UNIQUE_INDEX_NAME = 'index_alert_assignees_on_user_id_and_alert_id'
+
+  def up
+    create_table :alert_management_alert_assignees do |t|
+      t.bigint :user_id, null: false
+      t.bigint :alert_id, null: false
+
+      t.index :alert_id, name: ALERT_INDEX_NAME
+      t.index [:user_id, :alert_id], unique: true, name: UNIQUE_INDEX_NAME
+    end
+  end
+
+  def down
+    # rubocop:disable Migration/DropTable
+    drop_table :alert_management_alert_assignees
+    # rubocop:enable Migration/DropTable
+  end
+end