1 files changed, 23 insertions, 0 deletions
diff --git a/db/migrate/20201222151823_update_trusted_apps_to_confidential.rb b/db/migrate/20201222151823_update_trusted_apps_to_confidential.rb
new file mode 100644
index 00000000000..bcb94c65125
--- /dev/null
+++ b/db/migrate/20201222151823_update_trusted_apps_to_confidential.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class UpdateTrustedAppsToConfidential < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'tmp_index_oauth_applications_on_id_where_trusted'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :oauth_applications, :id, where: 'trusted = true', name: INDEX_NAME
+
+    execute('UPDATE oauth_applications SET confidential = true WHERE trusted = true')
+  end
+
+  def down
+    # We won't be able to tell which trusted applications weren't confidential before the migration
+    # and setting all trusted applications are not confidential would introduce security issues
+
+    remove_concurrent_index_by_name :oauth_applications, INDEX_NAME
+  end
+end