ResultColumn<T> class
final
One result label and its storage/domain codec, with no write constraints.
- Inheritance
-
- Object
- ResultShape<
T> - ResultColumn
Constructors
-
ResultColumn(String name, Codec<
T> codec) - Declares one nonempty SQL result label.
Properties
-
codec
→ Codec<
T> -
Decodes this result; it does not prove SQL nullability or expression type.
final
-
columns
→ List<
ResultColumn< Object?> > -
Required labels and codecs. Extra SQL columns are ignored.
no setteroverride
- hashCode → int
-
The hash code for this object.
no setterinherited
- name → String
-
Exact SQL result label, case sensitive.
final
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
bind(
List< String> labels) → T Function(List<Object?> ) -
Resolves labels before reading any rows, including an empty result.
Missing or duplicate required labels fail with
SQL.RESULT.inherited -
map<
T> (T mapper(T)) → ResultShape< T> -
Converts decoded values into a record or application model.
inherited
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
nullable(
) → ResultColumn< T?> - Accepts SQL NULL without changing the original codec or physical schema.
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited