1 files changed, 18 insertions, 0 deletions
diff --git a/db/migrate/20200916151442_add_result_index_to_authentication_events.rb b/db/migrate/20200916151442_add_result_index_to_authentication_events.rb
new file mode 100644
index 00000000000..13b0521038e
--- /dev/null
+++ b/db/migrate/20200916151442_add_result_index_to_authentication_events.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddResultIndexToAuthenticationEvents < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'index_authentication_events_on_provider_user_id_created_at'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :authentication_events, [:provider, :user_id, :created_at], where: 'result = 1', name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :authentication_events, INDEX_NAME
+  end
+end