jpedroantunes commented on a change in pull request #9813:
URL: https://github.com/apache/arrow/pull/9813#discussion_r605261171
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File path: cpp/src/gandiva/filter.h
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@@ -45,6 +45,10 @@ class FilterCacheKey {
bool operator!=(const FilterCacheKey& other) const { return !(*this ==
other); }
+ bool operator<(const FilterCacheKey& other) const {
+ return uniqifier_ < other.uniqifier_;
Review comment:
Not sure if I completely understand your point, but I compared all
possible properties for the bool operator<
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