aokolnychyi commented on code in PR #7637:
URL: https://github.com/apache/iceberg/pull/7637#discussion_r1201222054
##########
spark/v3.4/spark/src/main/java/org/apache/iceberg/spark/source/SparkPositionDeltaWrite.java:
##########
@@ -622,8 +590,7 @@ private static class UnpartitionedDeltaWriter extends
DeleteAndDataDeltaWriter {
@Override
public void update(InternalRow meta, InternalRow id, InternalRow row)
throws IOException {
- delete(meta, id);
- delegate.update(row, dataSpec, null);
+ throw new UnsupportedOperationException("Update must be represented as
delete and insert");
Review Comment:
Makes clustering easier!
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