Method ExecuteGroupedAggregateAsync(long, IEnumerable<GroupFieldRequest>, IEnumerable<AggregateRequest>, FilterExpression?)
Execute GroupBy aggregation with FilterExpression (Pro version).
Provides direct access to filter for proper SQL compilation.
Task<JsonDocument?> ExecuteGroupedAggregateAsync(long schemeId, IEnumerable<GroupFieldRequest> groupFields, IEnumerable<AggregateRequest> aggregations, FilterExpression? filter)