func New(driver, driverOptions string) (*Backend, apperror.Error) {
b := &Backend{}
b.BaseBackend = db.NewBaseBackend(b)
b.SetName("sql")
switch driver {
case "postgres":
b.dialect = NewPostgresDialect(b)
case "mysql":
b.dialect = &MysqlDialect{}
case "sqlite3":
b.dialect = &SqliteDialect{}
default:
panic("Unsupported sql driver: " + driver)
}
DB, err := sql.Open(driver, driverOptions)
if err != nil {
return nil, apperror.Wrap(err, "sql_connection_error")
}
b.Db = DB
b.migrationHandler = db.NewMigrationHandler(b)
b.RegisterModel(&MigrationAttempt{})
b.BuildLogger()
return b, nil
}
func New() *Backend {
b := &Backend{}
b.BaseBackend = db.NewBaseBackend(b)
b.SetName("memory")
b.data = make(map[string]map[string]interface{})
b.MigrationHandler = db.NewMigrationHandler(b)
b.MigrationVersion = 0
b.RegisterModel(&MigrationAttempt{})
b.BuildLogger()
return b
}