SELECT c.Id AS VALUE, IF (t.DEF_LANG!='', t.DEF_LANG, t.DEF_LANG) as `TXT`,c.Position ,c.Published
FROM kzot_rubrics c
LEFT JOIN texts t ON c.TID=t.Id
WHERE c.Id='26'
ORDER BY c.Position,TXT;
Error:
Can't create/write to file '/tmp/#sql_2c85_0.MYD' (Errcode: 17)