get_advisory_lock

# File activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb, line 456
      def get_advisory_lock(lock_id) # :nodoc:
        unless lock_id.is_a?(Integer) && lock_id.bit_length <= 63
          raise(ArgumentError, "PostgreSQL requires advisory lock ids to be a signed 64 bit integer")
        end
        query_value("SELECT pg_try_advisory_lock(#{lock_id})")
      end