Method TemplatedIn

be/src/exprs/in-predicate.h:347–363

template <typename T, typename SetType, bool not_in, InPredicate::Strategy strategy>
inline impala_udf::BooleanVal InPredicate::TemplatedIn(
    impala_udf::FunctionContext* ctx, const T& val, int num_args, const T* args) {
  if (val.is_null) return BooleanVal::null();

  BooleanVal found;
  if (strategy == SET_LOOKUP) {
    SetLookupState<SetType>* state = reinterpret_cast<SetLookupState<SetType>*>(
        ctx->GetFunctionState(FunctionContext::FRAGMENT_LOCAL));
    DCHECK(state != NULL);
    found = SetLookup(state, val);
  } else {
    DCHECK_EQ(strategy, ITERATE);
    found = Iterate(ctx->GetArgType(0), val, num_args, args);
  }
  if (found.is_null) return BooleanVal::null();
  return BooleanVal(found.val ^ not_in);
}

template <typename T, typename SetType>
void InPredicate::SetLookupPrepare(