aggregation method

JsonQueryBuilder aggregation(
  1. Map<String, dynamic> agg
)

Set aggregation functions for aggregate queries.

Example:

.aggregation({
  '_count': true,
  '_avg': {'price': true, 'rating': true},
  '_sum': {'quantity': true},
  '_min': {'price': true},
  '_max': {'price': true},
})

Implementation

JsonQueryBuilder aggregation(Map<String, dynamic> agg) {
  _aggregate = agg;
  return this;
}