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Return Distinct Value

Author

Topic

steamngn
Constraint Violating Yak Guru

306 Posts

Posted - 2009-05-09 : 15:51:14

Hi all,
I have a table with two columns like so:


STK_LOC_ID | LOC_GRP_ID
-----------------------
NULL       | MOBILE
REMOTE     | MOBILE
MAIN       | TESTGROUP
REMOTE     | TESTGROUP

What I need to do is

select distinct(loc_grp_id)
where stk_loc_id does not have NULL

IE return just TESTGROUP.
Can someone give some insight for me?
TIA,
Andy

There's never enough time to type code right,
but always enough time for a hotfix...

SwePeso
Patron Saint of Lost Yaks

30421 Posts

Posted - 2009-05-09 : 16:13:50

select loc_grp_id
from table1
group by loc_grp_id
having max(case when stk_loc_id is null then 1 else 0 end) = 0

E 12°55'05.63"
N 56°04'39.26"

steamngn
Constraint Violating Yak Guru

306 Posts

Posted - 2009-05-09 : 16:20:58

Peso!
I haven't posted on this site in quite some time, and the last time I did you saved the day for me! Now again I tip my hat to your eloquent and functioning code!
Thank you!
Andy

There's never enough time to type code right,
but always enough time for a hotfix...

SwePeso
Patron Saint of Lost Yaks

30421 Posts

Posted - 2009-05-09 : 19:25:24

Thenk you for the feedback.

E 12°55'05.63"
N 56°04'39.26"

visakh16
Very Important crosS Applying yaK Herder

52326 Posts

Posted - 2009-05-10 : 02:35:06

Another method


SELECT DISTINCT t.LOC_GRP_ID
FROM YourTable t
OUTER APPLY (SELECT COUNT(*) AS NullCnt
             FROM YourTable
             WHERE LOC_GRP_ID=t.LOC_GRP_ID
             AND STK_LOC_ID IS NULL) t1
WHERE ISNULL(NullCnt,0)=0


Also

select loc_grp_id
from table1
group by loc_grp_id
having count(*) - count(STK_LOC_ID)=0

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