rdblue closed pull request #22: ExpireSnapshots: do not commit when no
snapshots are expired.
URL: https://github.com/apache/incubator-iceberg/pull/22
This is a PR merged from a forked repository.
As GitHub hides the original diff on merge, it is displayed below for
the sake of provenance:
As this is a foreign pull request (from a fork), the diff is supplied
below (as it won't show otherwise due to GitHub magic):
diff --git a/core/src/main/java/com/netflix/iceberg/RemoveSnapshots.java
b/core/src/main/java/com/netflix/iceberg/RemoveSnapshots.java
index b097674..9dff531 100644
--- a/core/src/main/java/com/netflix/iceberg/RemoveSnapshots.java
+++ b/core/src/main/java/com/netflix/iceberg/RemoveSnapshots.java
@@ -115,7 +115,10 @@ public void commit() {
.onlyRetryOn(CommitFailedException.class)
.run(item -> {
TableMetadata updated = internalApply();
- ops.commit(base, updated);
+ // only commit the updated metadata if at least one snapshot was
removed
+ if (updated.snapshots().size() != base.snapshots().size()) {
+ ops.commit(base, updated);
+ }
});
LOG.info("Committed snapshot changes; cleaning up expired manifests and
data files.");
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