A snapshot of a database schema at a previous version.
This class is meant to be extended by generated code.
Constructors
- VersionedSchema({required DatabaseConnectionUser database, required int version})
- Default constructor taking the database and the schema version.
Properties
- database → DatabaseConnectionUser
-
The generated database instance, used to create TableInfo instances.
final
-
entities
→ Iterable<
DatabaseSchemaEntity> -
All drift schema entities at the time of the set version.
no setter
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- version → int
-
The GeneratedDatabase.schemaVersion at the time this schema was active.
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
Static Methods
-
runMigrationSteps(
{required Migrator migrator, required int from, required int to, required MigrationStepWithVersion steps}) → Future< void> -
Helper method that runs a (subset of) stepByStepHelper by invoking the
stepsfunction for each intermediate schema version fromfromuntiltois reached. -
stepByStepHelper(
{required MigrationStepWithVersion step}) → OnUpgrade - A helper used by drift internally to implement the step-by-step migration feature.