wypoon commented on a change in pull request #26895: [SPARK-17398][SQL] Fix
ClassCastException when querying partitioned JSON table
URL: https://github.com/apache/spark/pull/26895#discussion_r358002334
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File path: sql/hive/src/main/scala/org/apache/spark/sql/hive/TableReader.scala
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@@ -132,7 +132,9 @@ class HadoopTableReader(
val deserializedHadoopRDD = hadoopRDD.mapPartitions { iter =>
val hconf = broadcastedHadoopConf.value.value
val deserializer = deserializerClass.getConstructor().newInstance()
- deserializer.initialize(hconf, localTableDesc.getProperties)
+ DeserializerLock.synchronized {
Review comment:
HIVE-15773 and HIVE-21752 offer two different fixes for the
`HCatRecordObjectInspectorFactory` bug. HIVE-21752 has been merged in Hive
4.0.0, which is not released yet. Even when it is, not many users will be on
Hive 4.0.0 for some time, so I think we need to deal with it here.
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