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Home › Forums › kdb+ › Accumulators – Access additional list / column › Re: Accumulators – Access additional list / column

  • rocuinneagain

    Member
    September 5, 2022 at 12:00 am

    changing c to prev[c] looks to be what was missing

     

    q)update c2:fills ?[(c1>prev c1) or prev[c]<prev c1;c1;0N] from t 
c c1 c2 
-------- 
30 10 10 
40 20 20 
25 5 20 
20 25 25 
4  5  5 
4  4  4 
1  3  4

     

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