Fix missing collection of removed elements from the root #676
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Co-authored-by: Yourim Cha <dkwkdnwk912@gmail.com>
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Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## main #676 +/- ##
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+ Coverage 67.83% 67.90% +0.06%
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Files 58 58
Lines 8734 8737 +3
Branches 784 785 +1
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+ Hits 5925 5933 +8
+ Misses 2550 2546 -4
+ Partials 259 258 -1
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What this PR does / why we need it?
Fix missing collection of removed elements from the root.
A document has two structures representing the user data: clone and root. When elements are removed by
document.update, they are collected toremovedElementMapByCreatedAtfor garbage collection.However, we found a bug in that the collection is missing in the root. So this commit fixes it.
Any background context you want to provide?
A. Luckily, the collection is not missing in Yorkie.
https://github.com/yorkie-team/yorkie/blob/a000a29d81d7e6557edfbe3cb5f2ce17b203c634/pkg/document/operations/set.go#L68-L72
B. Remove
ClonefromDocument.We've added
cloneto protect the root from unintended updates caused by document.update. However, keeping the clone and the root in sync is challenging and consumes twice as much memory. Therefore, it is better to remove the clone after introducing reverse operations fromDocument.history.What are the relevant tickets?
Fixes #
Checklist