[GitHub] [spark] wangyum commented on a change in pull request #30325: [SPARK-33416][SQL] Avoid Hive metastore stack overflow when InSet predicate have many values

[GitBox]

wangyum commented on a change in pull request #30325:
URL: https://github.com/apache/spark/pull/30325#discussion_r524845159



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File path: 
sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala
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@@ -1267,9 +1267,19 @@ private[spark] class HiveExternalCatalog(conf: 
SparkConf, hadoopConf: Configurat
     val catalogTable = restoreTableMetadata(rawTable)
 
     val partColNameMap = buildLowerCasePartColNameMap(catalogTable)
+    val hivePredicates = predicates.map {
+      // Avoid Hive metastore stack overflow.

Review comment:
       I have a little concern, we don’t use `HiveClient.getPartitionsByFilter` 
in other code path, but I’m not sure if any users use it.
   
   
![image](https://user-images.githubusercontent.com/5399861/99322759-9c326880-28ab-11eb-88fb-d0e5dfb52533.png)




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