func (db *DB) Remove(key []byte) error {
db.lk.Lock()
defer db.lk.Unlock()
k := C.str{unsafe.Pointer(&key[0]), C.size_t(len(key))}
n, err := C.db_del(db.db, &k)
switch {
case n < 0:
return err
case n > 0:
return ErrKeyNotFound(string(key))
}
return nil
}
func (db BerkeleyDB) Del(txn Transaction, key []byte, flags DbFlag) error {
cKey := AllocDBT(key)
defer cKey.Free()
return Err(C.db_del(db.ptr, txn.ptr, cKey, C.u_int32_t(flags)))
}
// Delete records from the database.
func (db Database) Del(txn Transaction, recs ...proto.Message) (err error) {
var key C.DBT
key.flags |= C.DB_DBT_READONLY
for _, rec := range recs {
err = db.marshalKey(&key, rec)
if err != nil {
return
}
err = check(C.db_del(db.ptr, txn.ptr, &key, 0))
if err != nil {
return
}
}
return
}