Function appendFunction

lib/AggregateFunctions.js:19–36

(fun)

  var used_distinct = false;

  var appendFunction = function (fun) {
    return function () {
      var args = (arguments.length && Array.isArray(arguments[0]) ? arguments[0] : Array.prototype.slice.apply(arguments));

      if (args.length > 0) {
        aggregates[aggregates.length - 1].push({ f: fun, a: args, alias: aggregateAlias(fun, args) });
        aggregates.push([]);
      } else {
        aggregates[aggregates.length - 1].push({ f: fun, alias: aggregateAlias(fun, args) });
      }

      if (fun === "distinct") {
        used_distinct = true;
      }

      return proto;
    };
  };
  var proto = {
    groupBy: function () {
      group_by = Array.prototype.slice.apply(arguments);