Function getInode

cmd/cql-fuse/sql.go:54–65

getInode looks up an inode given its name and its parent ID. If not found, error will be sql.ErrNoRows.

(e sqlExecutor, parentID uint64, name string)

// getInode looks up an inode given its name and its parent ID.
// If not found, error will be sql.ErrNoRows.
func getInode(e sqlExecutor, parentID uint64, name string) (*Node, error) {
	var raw string
	const sql = `SELECT inode FROM fs_inode WHERE id = 
(SELECT id FROM fs_namespace WHERE (parentID, name) = (?, ?))`
	if err := e.QueryRow(sql, parentID, name).Scan(&raw); err != nil {
		return nil, err
	}

	node := &Node{}
	err := json.Unmarshal([]byte(raw), node)
	return node, err
}

// checkIsEmpty returns nil if 'id' has no children.
func checkIsEmpty(e sqlExecutor, id uint64) error {