MigrationFile class abstract

Contract representing a database migration file.

Implement this class to define schema changes for your database.

Example:

class CreateUsersTable extends MigrationFile {
  @override
  Future<void> up(SchemaBuilder builder) async {
    builder.create('users', (table) {
      table.id();
      table.string('name');
    });
  }

  @override
  Future<void> down(SchemaBuilder builder) async {
    builder.drop('users');
  }
}

Constructors

MigrationFile()

Properties

hashCode → int

The hash code for this object.

no setter, inherited

name → String

Optional name for this migration (usually class name).

no setter

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

down(SchemaBuilder builder) → Future<void>

Defines how to reverse the schema operations.

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

up(SchemaBuilder builder) → Future<void>

Defines the schema operations to apply.

Operators

operator ==(Object other) → bool

The equality operator.

inherited