Please help me to correct this

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An aggregate cannot appear in an ON clause unless it is in a subquery contained in a HAVING clause or select list, and the column being aggregated is an outer reference.

The query is this

SQL

DECLARE @ischecked BIT =1

SELECT 
ticketmaster.id as ticketid,
ticketmaster.ticketnumber as ticketnumber,
ticketdetail.subject as subject,
ticketmaster.priority as priority,
ticketmaster.status as status,
ticketdetail.createddate as lastupdated,
Distributor.Name as Company
FROM ticketmaster 
LEFT JOIN ticketdetail ON ticketmaster.ID = ticketdetail.ticketmasterid AND MAX(ticketdetail.createddate)=1	LEFT JOIN Distributor ON  ticketmaster.distributorid=Distributor.ID
WHERE ticketmaster.status IN (0,1) AND ((ticketmaster.distributorid=0 AND 
ticketmaster.issamelevel=1) OR (@ischecked =1 AND (ticketmaster.distributorid<>0 AND
ticketmaster.issamelevel=0 AND resellerid=0)))
GROUP BY ticketdetail.createddate

select * from ticketmaster

Posted 6-Jun-12 20:49pm

Arjun Menon U.K

Updated 6-Jun-12 20:56pm

Prasad_Kulkarni

v2

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2 solutions

Solution 2

Here is updated Query :

SQL

DECLARE @ischecked BIT =1
 
SELECT 
ticketmaster.id as ticketid,
ticketmaster.ticketnumber as ticketnumber,
ticketdetail.subject as subject,
ticketmaster.priority as priority,
ticketmaster.status as status,
ticketdetail.createddate as lastupdated,
Distributor.Name as Company
FROM ticketmaster 
LEFT JOIN ticketdetail ON ticketmaster.ID = ticketdetail.ticketmasterid 
LEFT JOIN Distributor ON  ticketmaster.distributorid=Distributor.ID
WHERE ticketmaster.status IN (0,1) AND ((ticketmaster.distributorid=0 AND 
ticketmaster.issamelevel=1) OR (@ischecked =1 AND (ticketmaster.distributorid<>0 AND
ticketmaster.issamelevel=0 AND resellerid=0)))
GROUP BY ticketmaster.id as ticketid,
ticketmaster.ticketnumber as ticketnumber,
ticketdetail.subject as subject,
ticketmaster.priority as priority,
ticketmaster.status as status,
ticketdetail.createddate as lastupdated,
Distributor.Name as Company
HAVING MAX(ticketdetail.createddate)=1

 
select * from ticketmaster

Hope this helps , If yes then plz accept and vote the answer. Any queries / questions on this are always welcome.

Thanks & Regards
RDBurmon.Sr.Software Engineer

Posted 6-Jun-12 21:33pm

RDBurmon

Comments

Maciej Los 7-Jun-12 4:18am

The comment from OP:
i put the having condtion as another select inside where clause.. Thanks a lot guys

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Sandeep Mewara · Accepted Answer · 2012-06-06T21:20:00

Error should be because of AND MAX(ticketdetail.createddate)=1
Try:

SQL

DECLARE @ischecked BIT =1
 
SELECT 
ticketmaster.id as ticketid,
ticketmaster.ticketnumber as ticketnumber,
ticketdetail.subject as subject,
ticketmaster.priority as priority,
ticketmaster.status as status,
ticketdetail.createddate as lastupdated,
Distributor.Name as Company
FROM ticketmaster 
LEFT JOIN ticketdetail ON ticketmaster.ID = ticketdetail.ticketmasterid LEFT JOIN Distributor ON  ticketmaster.distributorid=Distributor.ID
WHERE ticketmaster.status IN (0,1) AND ((ticketmaster.distributorid=0 AND 
ticketmaster.issamelevel=1) OR (@ischecked =1 AND (ticketmaster.distributorid<>0 AND
ticketmaster.issamelevel=0 AND resellerid=0)))
GROUP BY ticketdetail.createddate
HAVING MAX(ticketdetail.createddate)=1 

select * from ticketmaster

Details here:
http://www.sql-server-performance.com/2007/aggregate-cannot-appear-in-on-clause/[^]
http://exacthelp.blogspot.in/2012/04/aggregate-cannot-appear-in-on-clause.html[^]