jonkeane commented on code in PR #46124:
URL: https://github.com/apache/arrow/pull/46124#discussion_r2048857300
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cpp/src/arrow/compute/light_array_internal.cc:
##########
@@ -615,7 +615,9 @@ Status ExecBatchBuilder::AppendSelected(const
std::shared_ptr<ArrayData>& source
target->mutable_data(2) +
offsets[num_rows_before + num_rows_to_process + i]);
const uint64_t* src = reinterpret_cast<const uint64_t*>(ptr);
- memcpy(dst, src, num_bytes);
+ uint8_t* dst_bytes = reinterpret_cast<uint8_t*>(dst);
+ const uint8_t* src_bytes = reinterpret_cast<const uint8_t*>(src);
+ memcpy(dst_bytes, src_bytes, num_bytes);
Review Comment:
Thanks! Yup, this works
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