zanmato1984 commented on code in PR #45336:
URL: https://github.com/apache/arrow/pull/45336#discussion_r1926898374
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cpp/src/arrow/acero/swiss_join.cc:
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@@ -494,10 +495,13 @@ void RowArrayMerge::CopyFixedLength(RowTableImpl* target,
const RowTableImpl& so
int64_t num_words_per_row = fixed_length / sizeof(uint64_t);
for (int64_t i = 0; i < num_source_rows; ++i) {
int64_t source_row_id = source_rows_permutation[i];
+ DCHECK_LE(source_row_id, std::numeric_limits<uint32_t>::max());
Review Comment:
We are. In fact I have another WIP branch trying to clean them up.
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