获取在SQL中分组的行数

Question

My sql query is getting data from sql table.here is my query

SELECT * FROM `bookings` bo 
LEFT JOIN routes ro ON bo.iRouteId = ro.iRouteId 
LEFT JOIN buses bu ON bo.iBusId = bu.iBusId 
WHERE eBookingBy = 'User' AND iUserId = '2' 
ORDER BY bo.iBookingId DESC

Now this will return me o/p like this

that means it returns me two data with having same booking id,now what i want is to do GROUP BY bo.vBookingNo Soo it wiill returns me only one data.

Now what i need is i need an count of How many rows were group by .

For example if i use group by vBookingNo in above query than it will o/p me only one result. but it also returns me an count of rows that is group by.

so here it will return o/p Count 2.

Thanks.

Answer 1

you need count()

SELECT vBookingNo, count(*) FROM `bookings` bo 
LEFT JOIN routes ro ON bo.iRouteId = ro.iRouteId 
LEFT JOIN buses bu ON bo.iBusId = bu.iBusId 
WHERE eBookingBy = 'User' AND iUserId = '2' 
group by vBookingNo