withSum method

  1. @override
QueryBuilderInterface<T> withSum(
  1. String relation,
  2. String column
)
override

Load relationship sum aggregates without loading the full relationships.

Adds a {relation}{Column}Sum attribute to each model.

final users = await User.query()
  .withSum('orders', 'amount')
  .get();

print(users.first.ordersAmountSum); // 1500.50

Implementation

@override
QueryBuilderInterface<T> withSum(String relation, String column) =>
    _withAggregate(relation, 'SUM', column);