rdblue commented on code in PR #4578:
URL: https://github.com/apache/iceberg/pull/4578#discussion_r873049246
##########
core/src/main/java/org/apache/iceberg/RemoveSnapshots.java:
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@@ -190,6 +269,11 @@ public void commit() {
.onlyRetryOn(CommitFailedException.class)
.run(item -> {
TableMetadata updated = internalApply();
+ if (cleanExpiredFiles && updated.refs().size() > 1) {
+ throw new UnsupportedOperationException(
+ "Cannot remove snapshots and clean files when there is more
than 1 ref or multiple lineages");
Review Comment:
This needs to mention that it is incremental. `"Cannot incrementally clean
files for tables with more than 1 ref"`
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