rok commented on issue #47613:
URL: https://github.com/apache/arrow/issues/47613#issuecomment-3318790245
That seems like the thing to do. Something like this would be needed for
enforcement:
```diff
diff --git i/cpp/src/arrow/sparse_tensor.cc w/cpp/src/arrow/sparse_tensor.cc
index b84070b3d2..9e191ef794 100644
--- i/cpp/src/arrow/sparse_tensor.cc
+++ w/cpp/src/arrow/sparse_tensor.cc
@@ -397,6 +397,12 @@ SparseCSFIndex::SparseCSFIndex(const
std::vector<std::shared_ptr<Tensor>>& indpt
const std::vector<std::shared_ptr<Tensor>>&
indices,
const std::vector<int64_t>& axis_order)
: SparseIndexBase(), indptr_(indptr), indices_(indices),
axis_order_(axis_order) {
+ for (const auto & tensor : indptr_) {
+ ARROW_CHECK_EQ(indptr_.front()->type(), tensor->type());
+ }
+ for (const auto & tensor : indices_) {
+ ARROW_CHECK_EQ(indices_.front()->type(), tensor->type());
+ }
ARROW_CHECK_OK(CheckSparseCSFIndexValidity(indptr_.front()->type(),
indices_.front()->type(),
indptr_.size(),
indices_.size(),
axis_order_.size()));
```
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