@lca50666 or you could use the new Expression node:
if($[“Column_B”] = MISSING or $[“Column_B”] = NaN, $[“Column_A”], $[“Column_B”])
@lca50666 or you could use the new Expression node:
if($[“Column_B”] = MISSING or $[“Column_B”] = NaN, $[“Column_A”], $[“Column_B”])