taiyang-li commented on code in PR #2010:
URL: https://github.com/apache/orc/pull/2010#discussion_r1735741811
##########
c++/include/orc/Vector.hh:
##########
@@ -248,10 +254,16 @@ namespace orc {
~EncodedStringVectorBatch() override;
std::string toString() const override;
void resize(uint64_t capacity) override;
+
+ // Calculate data and length in StringVectorBatch from dictionary and index
+ void decodeDictionary() override;
+
std::shared_ptr<StringDictionary> dictionary;
// index for dictionary entry
DataBuffer<int64_t> index;
+
+ std::atomic<bool> dictionaryDecoded{false};
Review Comment:
It's a personal coding habit in case there might be a multi-threaded call
scenario in the future. Besides, `std::atomic<bool>` is so trivial that it
would not influence the performance.
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