FdcDataSetAggregatesApi class final

Public aggregate facade for FdcDataSet.

Keeps aggregate calculations out of the dataset root API while preserving short, explicit aggregate method names inside the aggregate namespace.

Properties

hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

avg(String fieldName) → FdcDecimal?
Calculates the average for a numeric field over the current flat dataset view.
calculate(List<FdcDataAggregateItem> aggregates) → Future<FdcDataAggregateResult>
Calculates adapter/query aggregates for the current logical dataset result.
count() → int
Counts records in the current flat dataset view.
max(String fieldName) → Object?
Returns the maximum non-null field value over the current flat dataset view, or null when no value is available.
min(String fieldName) → Object?
Returns the minimum non-null field value over the current flat dataset view, or null when no value is available.
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
sum(String fieldName) → FdcDecimal
Sums a numeric field over the current flat dataset view.
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited