Function IfElse

cpp/src/arrow/compute/api_scalar.cc:870–873

}

Result<Datum> IfElse(const Datum& cond, const Datum& if_true, const Datum& if_false,
                     ExecContext* ctx) {
  return CallFunction("if_else", {cond, if_true, if_false}, ctx);
}

Result<Datum> IsNull(const Datum& arg, NullOptions options, ExecContext* ctx) {
  return CallFunction("is_null", {arg}, &options, ctx);