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Odd Query behaviour

-0001-11-30   Views:0


Hi Experts, I am experiencing some problems with a query which is designed simply to show whether or not there is data in a single field. SELECT T0.[CardCode], T0.[U_7DayExpiry], T0.[U_LstCRCallStat], T1.[Name] FROM OCRD T0  INNER JOIN [dbo].[@CR_CON

Hi Experts,
I am experiencing some problems with a query which is designed simply to show whether or not there is data in a single field.
SELECT T0.[CardCode], T0.[U_7DayExpiry], T0.[U_LstCRCallStat], T1.[Name] FROM OCRD T0  INNER JOIN [dbo].[@CR_CONTROL_STATUS]  T1 ON T0.U_LstCRCallStat = T1.Code WHERE T0.[U_7DayExpiry] is not null
You can see that there is data from a UDT being pulled into the query.   When I try and run the query with the UDT included I get No Data Was Found....
However, when I removed the UDT from the query:
SELECT T0.[CardCode], T0.[CardName], T0.[U_7DayExpiry] FROM OCRD T0 WHERE T0.[U_7DayExpiry] IS NOT NULL
...I get the correct results.
Why would the addition of the UDT to my query criteria cause this please?

The replay answer
I reckon its something to do with data from the left table (OCRD.U_LstCRCallStat) not matching up with data from the right (joined) table (@CR_CONTROL_STATUS.Code).
If you make the INNER into a LEFT, do you get any results back?

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