// Err returns nil if no errors happened during iteration, or the actual // error otherwise. func (iter *Iterator) Err() error { var cErr *C.char C.rocksdb_iter_get_error(iter.c, &cErr) if cErr != nil { defer C.rocksdb_free(unsafe.Pointer(cErr)) return errors.New(C.GoString(cErr)) } return nil }
func (db *DB) KeyMayExist(opts *ReadOptions, key []byte) bool { var cErr *C.char cKey := byteToChar(key) ret := C.rocksdb_key_may_exist(db.c, opts.c, cKey, C.size_t(len(key)), &cErr) if cErr != nil { defer C.rocksdb_free(unsafe.Pointer(cErr)) return false } return ret != 0 }
func (self *Slice) Free() { if !self.freed { C.rocksdb_free(unsafe.Pointer(self.data)) self.freed = true } }