ORC-990: [C++] Fix undefined behavior of RowReaderImpl::seekToRowGroup

This fixes #903
apache · Sep 10, 2021 · ebf33dc · ebf33dc
1 parent 4a03df9
commit ebf33dc
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/c++/src/Reader.cc b/c++/src/Reader.cc
@@ -385,7 +385,7 @@ namespace orc {
 
   void RowReaderImpl::seekToRowGroup(uint32_t rowGroupEntryId) {
     // store positions for selected columns
-    std::vector<std::list<uint64_t>> positions;
+    std::list<std::list<uint64_t>> positions;
     // store position providers for selected colimns
     std::unordered_map<uint64_t, PositionProvider> positionProviders;