Hallo QV geniuses,
I have s script like this:
Table1:
Load UID,
A,
B,
C,
D,
E,
F,
date_modified
FROM excel...;
Table2:
Load UID,
LastValue(A) as A_1,
LastValue(B) as B_1,
LastValue(C) as C_1,
LastValue(D) as D_1,
LastValue(E) as E_1,
LastValue(F) as F_1
Resident Table1
where not isNull(UID)
Group by UID
Order by date_modified;
Since it is ordered by date_modified, it means my LastValue() is the latest. But my problem is: If the LastValue() is NULL, I want to get the previous NON-NULL value.
I tried to put a:
where not isNull(UID) and not isNull(A) and not isNull(B) and not isNull(C) and not isNull(D) and not isNull(E) and not isNull(F)
But it doesn't work. Can you help me on this? Thanks a lot.
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