wgtmac commented on code in PR #48147:
URL: https://github.com/apache/arrow/pull/48147#discussion_r2540326167
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cpp/src/parquet/page_index.cc:
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@@ -346,7 +346,15 @@ class RowGroupPageIndexReaderImpl : public
RowGroupPageIndexReader {
}
}
- private:
+ std::shared_ptr<Buffer> ReadIndexBuffer(int64_t offset, int64_t length,
+ const char* offset_kind) {
+ PARQUET_ASSIGN_OR_THROW(auto buffer, input_->ReadAt(offset, length));
+ if (buffer->size() < length) {
+ throw ParquetException("Invalid or truncated ", offset_kind);
Review Comment:
nit: include buffer->size() and length in the error message
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