php - How Can i Convert this multiple sub query in zend query? -


i have following query gives desired output in mysql , want implement in zend query language, has different approach implement query..

select a.name , b.payment , c.totalproj , d.totaltask , t.activetask , h.hour usermaster  left outer join ( select a.u_id ,  sum(a.totaltime * b.rate) payment  ( select u_id , project_id ,  sum(time_to_sec(case when endtime null timediff (starttime,starttime)  else timediff (endtime,starttime) end )) / 3600 totaltime logmaster project_id not null group u_id , project_id )  inner join projecttouser b on a.project_id = b.project_id , a.u_id = b.u_id  group b.u_id ) b on a.id = b.u_id  left outer join  (   select u_id , count(*) totalproj projecttouser group u_id ) c on a.id = c.u_id  left outer join  (   select assigned_to , count(*) totaltask tasktotarget group assigned_to ) d on a.id = d.assigned_to  left outer join  (   select assigned_to,count(*) activetask tasktotarget  is_active = 0    group assigned_to ) t on a.id = t.assigned_to  left outer join (   select u_id, sec_to_time(sum(time_to_sec(case when endtime null  timediff (starttime,starttime) else timediff (endtime,starttime) end ))) hour  logmaster insert_date >= '2013-08-20' , insert_date <='2013-08-31'  group u_id ) h on a.id = h.u_id

so if 1 can guide me in how create query in zend helpful, , appreciated

each of subqueries becomes new zend_query can use table , pass in main query.

for example: 

$h = new zend_db_select()     ->from('logmaster', array('u_id', 'hour' => new zend_db_expr('sec_to_time(sum(time_to_sec(case when endtime null  timediff (starttime,starttime) else timediff (endtime,starttime) end ))))')     ->where("insert_date >= '2013-08-20'")     ->where("insert_date <= '2013-08-31'")     ->group('u_id');  $mainquery = new zend_db_select()       ->from('a' => 'usermaster', array('name'))       ->joinleft($h, 'a.id = h.u_is', array('hour'));

you create each of subqueries own object , can join them main query. last argument of join function columns subquery should added main query.

with zf's fluid interface can keep joining tables/queries until have built entire query.

http://framework.zend.com/manual/1.12/en/zend.db.select.html


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