MssqlRelationThrough class

The middle table of a MssqlRelationKind.belongsToMany, MssqlRelationKind.hasManyThrough or MssqlRelationKind.morphToMany.

Loading through one costs two queries per relation instead of one: the pivot is read for the parents' keys, then the target for the pivot's. Still a fixed number, still no N+1.

Annotations

• @immutable

Constructors

MssqlRelationThrough({required MssqlTableBinding<Object?> binding, required List<String> nearColumns, required List<String> farColumns, String? typeColumn, String? typeValue})

Properties

binding → MssqlTableBinding<Object?>

The pivot or intermediate table.

final

farColumns → List<String>

Columns on the middle table matching the target's foreign columns.

final

hashCode → int

The hash code for this object.

no setter, inherited

nearColumns → List<String>

Columns on the middle table matching the parent's local columns.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

typeColumn → String?

For a polymorphic pivot, the column naming the parent's type…

final

typeValue → String?

…and the value that means this parent table.

final

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