I am trying to create a derived column where if
A = 1 or B = 1 or C = 1 then D will = 1
(DT_I4) A == 1 ? 1 : 0 - this will work for just one column however as soon as I add a new column with an | | statement it errors
(DT_I4)([A== 1 | | B == 1) ? 1 : 0