gaborkaszab commented on code in PR #12401:
URL: https://github.com/apache/iceberg/pull/12401#discussion_r1977378596
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core/src/main/java/org/apache/iceberg/view/ViewMetadata.java:
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@@ -462,9 +463,15 @@ public ViewMetadata build() {
ViewProperties.VERSION_HISTORY_SIZE,
historySize);
- // expire old versions, but keep at least the versions added in this
builder
- int numAddedVersions = (int)
changes(MetadataUpdate.AddViewVersion.class).count();
- int numVersionsToKeep = Math.max(numAddedVersions, historySize);
+ // expire old versions, but keep at least the versions added in this
builder and the current
+ // version
+ Set<Integer> addedVersions =
+ changes(MetadataUpdate.AddViewVersion.class)
+ .map(v -> v.viewVersion().versionId())
+ .collect(Collectors.toSet());
+ int numVersions =
+
ImmutableSet.builder().addAll(addedVersions).add(currentVersionId).build().size();
Review Comment:
nit: I think instead of creating another Set here we could add
`currentVersionId` to `addedVersions` (Maybe versionsToKeep?). If you want to
avoid any misuse of this set then putting this whole new code into a function
could help (numVersinsToKeep?)
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