Aggregate1Project1<A, B> extension

Extension methods for specifying aggregate functions over rows in a group.

on

• Aggregation<(Expr<A>), (Expr<B>)>

Methods

avg<C extends num>(Expr<C?> aggregateBuilder(Expr<A> a)) → Aggregation<(Expr<A>), (Expr<B>, Expr<double?>)>

Available on Aggregation<(Expr<A>), (Expr<B>)>, provided by the Aggregate1Project1 extension

Add a AVG aggregate function to this Aggregation.

count() → Aggregation<(Expr<A>), (Expr<B>, Expr<int>)>

Available on Aggregation<(Expr<A>), (Expr<B>)>, provided by the Aggregate1Project1 extension

Add a COUNT(*) aggregate function to this Aggregation.

max<C extends Comparable>(Expr<C?> aggregateBuilder(Expr<A> a)) → Aggregation<(Expr<A>), (Expr<B>, Expr<C?>)>

Available on Aggregation<(Expr<A>), (Expr<B>)>, provided by the Aggregate1Project1 extension

Add a MAX aggregate function to this Aggregation.

min<C extends Comparable>(Expr<C?> aggregateBuilder(Expr<A> a)) → Aggregation<(Expr<A>), (Expr<B>, Expr<C?>)>

Available on Aggregation<(Expr<A>), (Expr<B>)>, provided by the Aggregate1Project1 extension

Add a MIN aggregate function to this Aggregation.

sum<C extends num>(Expr<C?> aggregateBuilder(Expr<A> a)) → Aggregation<(Expr<A>), (Expr<B>, Expr<C>)>

Available on Aggregation<(Expr<A>), (Expr<B>)>, provided by the Aggregate1Project1 extension

Add a SUM aggregate function to this Aggregation.