MssqlRelationAggregate<TParent> class

One correlated aggregate to project beside the parent row.

Each spec compiles to its own scalar subquery. Two to-many paths therefore cannot share a join that would make one count a product of the other.

Annotations
  • @immutable

Constructors

MssqlRelationAggregate({required MssqlRelation<TParent, Object?> relation, required String alias, required MssqlExpression expression})
expression is typically COUNT_BIG(*) or SUM(column).

Properties

alias → String
Result-set column name.
final
expression → MssqlExpression
Aggregate expression evaluated in the correlated subquery.
final
hashCode → int
The hash code for this object.
no setterinherited
relation → MssqlRelation<TParent, Object?>
The same handle include / whereHas would use.
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

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

Static Methods

of<TParent, TChild>({required MssqlRelation<TParent, TChild> relation, required String alias, required MssqlExpression expression}) → MssqlRelationAggregate<TParent>
Typed handle → erased child, for mixed aggregate lists.