mongodb/mongoid · error · Mongoid::Errors::InvalidQuery

Invalid type for $#{operator_name} argument: #{condition}

Error message

Invalid type for $#{operator_name} argument: #{condition}

What it means

Error "Invalid type for $#{operator_name} argument: #{condition}" thrown in mongodb/mongoid.

Source

Thrown at lib/mongoid/matcher/bits.rb:51

          int_matches?(value, condition)
        when Float
          # Allow floats that are whole numbers (e.g. 50.0), but reject those
          # with a fractional part (e.g. 50.1) since bitwise ops require integers.
          int_cond = condition.to_i
          if int_cond == condition
            if int_cond < 0
              raise Errors::InvalidQuery,
                    "Invalid value for $#{operator_name} argument: negative numbers are not allowed: #{condition}"
            end

            int_matches?(value, int_cond)
          else
            raise Errors::InvalidQuery,
                  "Invalid type for $#{operator_name} argument: not representable as an integer: #{condition}"
          end
        else
          raise Errors::InvalidQuery, "Invalid type for $#{operator_name} argument: #{condition}"
        end
      end

      # Returns the name of the expression operator.
      #
      # @return [ String ] The operator name.
      #
      # @api private
      module_function def operator_name
        name.sub(/.*::/, '').sub(/\A(.)/) { |l| l.downcase }
      end
    end
  end
end

View on GitHub (pinned to 0da0e23d71)

When it happens

Trigger: Thrown at lib/mongoid/matcher/bits.rb:51 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of mongodb/mongoid@0da0e23d71 (2026-08-23). Data as JSON: /api/errors/4d08cc04aa20c404. Report an issue: GitHub.