ulysses-you commented on code in PR #5079:
URL: https://github.com/apache/kyuubi/pull/5079#discussion_r1270483834
##########
extensions/spark/kyuubi-extension-spark-3-3/src/main/scala/org/apache/kyuubi/sql/RebalanceBeforeWriting.scala:
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@@ -27,7 +27,18 @@ trait RepartitionBuilderWithRebalance extends
RepartitionBuilder {
query: LogicalPlan): LogicalPlan = {
if (!conf.getConf(KyuubiSQLConf.INFER_REBALANCE_AND_SORT_ORDERS) ||
dynamicPartitionColumns.nonEmpty) {
- RebalancePartitions(dynamicPartitionColumns, query)
+ // TODO: make configurable
+ val constantConditions = InferDynamicPartitionConstantConditions
+ .infer(dynamicPartitionColumns, query)
Review Comment:
Each optimization can cause bug, we should trust the code.. and we need a
new config to control the behavior.
I think the key point is that, we should handle the multi-level partition
spec carefully. e.g.,
```sql
INSERT INTO TABLE t1 (p1, p2, p3) SELECT * FROM t2 WHERE p1 = 'a'
```
For this case , it is still a dynamic partition write.
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