[9.0] Fix uniquify to handle multiple successive duplicates (#126889)#126953
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elasticsearchmachine merged 1 commit intoelastic:9.0from Apr 16, 2025
Merged
[9.0] Fix uniquify to handle multiple successive duplicates (#126889)#126953elasticsearchmachine merged 1 commit intoelastic:9.0from
elasticsearchmachine merged 1 commit intoelastic:9.0from
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CollectionUtils.uniquify is based on C++ std::unique. However, C++ iterators are not quite the same as Java iterators. In particular, advancing them only allows grabbing the value once. This commit reworks uniquify to be based on list indices instead of iterators. closes elastic#126883
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:Core/Infra/Core
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Backports the following commits to 9.0: