amogh-jahagirdar commented on code in PR #12670:
URL: https://github.com/apache/iceberg/pull/12670#discussion_r2017577925
##########
core/src/main/java/org/apache/iceberg/MetadataUpdate.java:
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@@ -328,20 +328,20 @@ public void applyTo(TableMetadata.Builder
metadataBuilder) {
}
}
- class RemoveSnapshot implements MetadataUpdate {
- private final long snapshotId;
+ class RemoveSnapshots implements MetadataUpdate {
+ private final Set<Long> snapshotIds;
- public RemoveSnapshot(long snapshotId) {
- this.snapshotId = snapshotId;
+ public RemoveSnapshots(Set<Long> snapshotIds) {
+ this.snapshotIds = snapshotIds;
}
- public long snapshotId() {
- return snapshotId;
+ public Set<Long> snapshotIds() {
+ return snapshotIds;
}
@Override
public void applyTo(TableMetadata.Builder metadataBuilder) {
- metadataBuilder.removeSnapshots(ImmutableSet.of(snapshotId));
+ metadataBuilder.removeSnapshots(snapshotIds);
}
Review Comment:
We should leave`RemoveSnapshot` update as is since this is still a valid
update type in the protocol. I think the solution should involve some sort of
buffering of the snapshots to remove instead of eagerly rewriting. Only at the
end, once all the snapshots to remove have been accumulated, would we want to
go ahead and rewrite. Let me take a deeper look and get back with a concrete
solution
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