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Validate stream column against selected columns size #30

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Merged
PedroTadim merged 1 commit into from
Oct 2, 2026
Merged

Validate stream column against selected columns size #30

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8 changes: 8 additions & 0 deletions c++/src/Reader.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1588,6 +1588,14 @@ namespace orc {
throw ParseError(msg.str());
}

if (stream.has_kind() && stream.column() >= selectedColumns.size()) {
std::stringstream msg;
msg << "Malformed stream meta at stream index " << i << " in stripe " << stripe
<< ": column=" << stream.column() << " is out of range, the file has "
<< selectedColumns.size() << " columns";
throw ParseError(msg.str());
}

if (stream.has_kind() && selectedColumns[stream.column()]) {
const auto& kind = stream.kind();
if (kind == proto::Stream_Kind_DATA || kind == proto::Stream_Kind_DICTIONARY_DATA ||
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