Computed class final

Marks a scalar field as database-computed and excludes it from writes. Expressions are trusted SQL using physical column names.

Constructors

Computed(String expression, {String? sqlite, String? postgres, String? mysql, String? mariadb, ComputedStorage storage = ComputedStorage.stored})

Declares a computed database field.

const

Properties

expression → String

SQL used where no dialect override is provided.

final

hashCode → int

The hash code for this object.

no setter, inherited

mariadb → String?

MariaDB expression override.

final

mysql → String?

MySQL expression override.

final

postgres → String?

PostgreSQL expression override.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

sqlite → String?

SQLite expression override; empty explicitly marks it unsupported.

final

storage → ComputedStorage

Whether computation is stored or virtual, subject to engine capabilities.

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