Method DropAll

db.go:1558–1564

DropAll would drop all the data stored in Badger. It does this in the following way. - Stop accepting new writes. - Pause memtable flushes and compactions. - Pick all tables from all levels, create a changeset to delete all these tables and apply it to manifest. - Pick all log files from value log,

()

// any reads while DropAll is going on, otherwise they may result in panics. Ideally, both reads and
// writes are paused before running DropAll, and resumed after it is finished.
func (db *DB) DropAll() error {
	f, err := db.dropAll()
	if f != nil {
		f()
	}
	return err
}

func (db *DB) dropAll() (func(), error) {
	db.opt.Infof("DropAll called. Blocking writes...")