Method AllocateStringValWithLenCheck

be/src/udf/udf.cc:572–590

}

void StringVal::AllocateStringValWithLenCheck(FunctionContext* ctx, uint64_t str_len,
    StringVal* res) {
  if (UNLIKELY(str_len > StringVal::MAX_LENGTH)) {
    ctx->SetError("String length larger than allowed limit of 1 GB character data.");
    res->len = 0;
    res->is_null = true;
  } else {
    res->ptr = ctx->impl()->AllocateForResults(str_len);
    if (UNLIKELY(res->ptr == nullptr && str_len > 0)) {
#ifndef IMPALA_UDF_SDK_BUILD
      assert(!ctx->impl()->state()->GetQueryStatus().ok());
#endif
      res->len = 0;
      res->is_null = true;
    } else {
      res->len = str_len;
    }
  }
}

void StructVal::ReserveMemory(FunctionContext* ctx) {
  assert(ctx != nullptr);