nastra commented on code in PR #8797:
URL: https://github.com/apache/iceberg/pull/8797#discussion_r1354320039
##########
spark/v3.5/spark/src/main/java/org/apache/iceberg/spark/actions/RewriteDataFilesSparkAction.java:
##########
@@ -146,13 +148,29 @@ public RewriteDataFilesSparkAction filter(Expression
expression) {
return this;
}
+ @Override
+ public RewriteDataFiles targetBranch(String branch) {
+ this.targetBranch = branch;
+ return this;
+ }
+
+ protected long startingSnapshotId() {
+ if (SnapshotRef.MAIN_BRANCH.equals(this.targetBranch)) {
+ return table.currentSnapshot().snapshotId();
+ } else {
+ SnapshotRef ref = table.refs().get(this.targetBranch);
+ assert (ref != null);
Review Comment:
we typically don't use `assert` because they need to be enabled. So what
makes more sense is to use `Preconditions.checkArgument(...)`
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