1 files changed, 22 insertions, 0 deletions
diff --git a/lib/gitlab/database/postgresql_adapter/empty_query_ping.rb b/lib/gitlab/database/postgresql_adapter/empty_query_ping.rb
new file mode 100644
index 00000000000..906312478ac
--- /dev/null
+++ b/lib/gitlab/database/postgresql_adapter/empty_query_ping.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+# rubocop:disable Gitlab/ModuleWithInstanceVariables
+module Gitlab
+  module Database
+    module PostgresqlAdapter
+      module EmptyQueryPing
+        # ActiveRecord uses `SELECT 1` to check if the connection is alive
+        # We patch this here to use an empty query instead, which is a bit faster
+        def active?
+          @lock.synchronize do
+            @connection.query ';'
+          end
+          true
+        rescue PG::Error
+          false
+        end
+      end
+    end
+  end
+end
+# rubocop:enable Gitlab/ModuleWithInstanceVariables