// Get returns the data associated with the key from the database. Remember
// to deallocate the returned Slice.
func (db *DB) Get(opts *ReadOptions, key []byte) (*Slice, error) {
var (
cErr *C.char
cValLen C.size_t
cKey = byteToChar(key)
)
cValue := C.rdb_get(db.c, opts.c, cKey, C.size_t(len(key)), &cValLen, &cErr)
if cErr != nil {
defer C.free(unsafe.Pointer(cErr))
return nil, errors.New(C.GoString(cErr))
}
return NewSlice(cValue, cValLen), nil
}
// GetBytes is like Get but returns a copy of the data.
func (db *DB) GetBytes(opts *ReadOptions, key []byte) ([]byte, error) {
var (
cErr *C.char
cValLen C.size_t
cKey = byteToChar(key)
)
cValue := C.rdb_get(db.c, opts.c, cKey, C.size_t(len(key)), &cValLen, &cErr)
if cErr != nil {
defer C.free(unsafe.Pointer(cErr))
return nil, errors.New(C.GoString(cErr))
}
if cValue == nil {
return nil, nil
}
defer C.free(unsafe.Pointer(cValue))
return C.GoBytes(unsafe.Pointer(cValue), C.int(cValLen)), nil
}