aokolnychyi commented on a change in pull request #3984:
URL: https://github.com/apache/iceberg/pull/3984#discussion_r792168256
##########
File path:
spark/v3.2/spark/src/test/java/org/apache/iceberg/spark/TestSparkDistributionAndOrderingUtil.java
##########
@@ -1441,6 +1441,132 @@ public void
testRangePositionDeltaDeletePartitionedTable() {
table, DELETE, expectedDistribution,
SPEC_ID_PARTITION_FILE_POSITION_ORDERING);
}
+ //
===================================================================================
+ // Distribution and ordering for merge-on-read UPDATE operations with
position deletes
+ //
===================================================================================
+ //
+ // update mode is NOT SET -> CLUSTER BY _spec_id, _partition + LOCALLY ORDER
BY _spec_id, _partition, _file, _pos
Review comment:
Same like in merge-on-read DELETE. Here we are dealing with full rows so
it does not seem like a good idea to group everything into a single task for
unpartitioned tables. Ideas are welcome.
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