sql.js

  q = q.where(exp.evaluate({
    eql: function (operands) {
      debugger;
      var attribute = operands[0],
        value = operands[1];
      return table[attribute].equal(value);
    },
    notEql: function (operands) {
      debugger;
      var attribute = operands[0],
        value = operands[1];

      return table[attribute].notEqual(value);
    },
    or: function (operands) {
      debugger;
      var first_operand = operands.shift();
      return first_operand.or(operands);
    },
    and: function (operands) {
      debugger;
      var first_operand = operands.shift();
      return first_operand.and(operands);
    }
  }));