Question

I need mySql result with some prefixes and suffixes. This is my code:

SELECT bk_id, bk_rtype, villas_db.v_name AS villa_name
FROM booking_db
INNER JOIN villas_db ON booking_db.bk_vid = villas_db.v_id
WHERE '2012-11-02'
BETWEEN bk_date1
AND bk_date2
ORDER BY bk_id DESC
LIMIT 0 , 30

The result are:

bk_id   bk_rtype    villa_name
30          2           T2
29          3           V1

So I need the result as:

bk_id   bk_rtype    villa_name     booking_no
30          2           T2         B2-00030
29          3           V1         B3-00029

While B is a booking prefix separate by “-” and sprintf(“%05d”,bk_id);

Please suggest.

Answer 1

I found my solution:

SELECT bk_id, bk_rtype, villas_db.v_name AS villa_name, concat( 'B', bk_rtype, '-', lpad( bk_id, 5, 0 ) ) AS booking_no
FROM booking_db
INNER JOIN villas_db ON booking_db.bk_vid = villas_db.v_id
WHERE '2012-11-02'
BETWEEN bk_date1
AND bk_date2
ORDER BY bk_id DESC
LIMIT 0 , 30