FoundationDB-Read.go

func (db *fDB) Read(ctx context.Context, table string, key string, fields []string) (map[string][]byte, error) {
	rowKey := db.getRowKey(table, key)
	row, err := db.db.Transact(func(tr fdb.Transaction) (interface{}, error) {
		f := tr.Get(fdb.Key(rowKey))
		return f.Get()
	})

	if err != nil {
		return nil, err
	} else if row == nil {
		return nil, nil
	}

	return db.r.Decode(row.([]byte), fields)
}