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var (
	// DefaultOptions can be used if you don't want to think about options.
	DefaultOptions = &Options{
		TableName:    "migrations",
		IDColumnName: "id",

	// ErrRollbackImpossible is returned when trying to rollback a migration
	// that has no rollback function.
	ErrRollbackImpossible = errors.New("It's impossible to rollback this migration")

	// ErrNoMigrationDefined is returned when no migration is defined.
	ErrNoMigrationDefined = errors.New("No migration defined")

	// ErrMissingID is returned when the ID od migration is equal to ""
	ErrMissingID = errors.New("Missing ID in migration")

	// ErrNoRunnedMigration is returned when any runned migration was found while
	// running RollbackLast
	ErrNoRunnedMigration = errors.New("Could not find last runned migration")


This section is empty.


type InitSchemaFunc

type InitSchemaFunc func(*xorm.Engine) error

    InitSchemaFunc is the func signature for initializing the schemas.

    type Migrate

    type Migrate struct {
    	// contains filtered or unexported fields

      Migrate represents a collection of all migrations of a database schemas.

      func New

      func New(db *xorm.Engine, options *Options, migrations []*Migration) *Migrate

        New returns a new Gormigrate.

        func (*Migrate) InitSchema

        func (m *Migrate) InitSchema(initSchema InitSchemaFunc)

          InitSchema sets a function that is run if no migration is found. The idea is preventing to run all migrations when a new clean database is being migrating. In this function you should create all tables and foreign key necessary to your application.

          func (*Migrate) Migrate

          func (m *Migrate) Migrate() error

            Migrate executes all migrations that did not run yet.

            func (*Migrate) RollbackLast

            func (m *Migrate) RollbackLast() error

              RollbackLast undo the last migration

              func (*Migrate) RollbackMigration

              func (m *Migrate) RollbackMigration(mig *Migration) error

                RollbackMigration undo a migration.

                type MigrateFunc

                type MigrateFunc func(*xorm.Engine) error

                  MigrateFunc is the func signature for migrating.

                  type Migration

                  type Migration struct {
                  	// ID is the migration identifier. Usually a timestamp like "201601021504".
                  	ID string
                  	// Migrate is a function that will br executed while running this migration.
                  	Migrate MigrateFunc
                  	// Rollback will be executed on rollback. Can be nil.
                  	Rollback RollbackFunc

                    Migration represents a database migration (a modification to be made on the database).

                    type Options

                    type Options struct {
                    	// TableName is the migration table.
                    	TableName string
                    	// IDColumnName is the name of column where the migration id will be stored.
                    	IDColumnName string

                      Options define options for all migrations.

                      type RollbackFunc

                      type RollbackFunc func(*xorm.Engine) error

                        RollbackFunc is the func signature for rollbacking.

                        Source Files