dongjoon-hyun commented on code in PR #50623:
URL: https://github.com/apache/spark/pull/50623#discussion_r2050396008
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sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveExternalCatalog.scala:
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@@ -666,12 +666,19 @@ private[spark] class HiveExternalCatalog(conf: SparkConf,
hadoopConf: Configurat
val newTableProps =
propsFromOldTable ++ tableDefinition.properties +
partitionProviderProp ++ newFormatIfExists
+ val (newSchema, partitionColumnNames) = if (oldTableDef.schema ==
EMPTY_DATA_SCHEMA) {
+ val restoredOldTable = restoreTableMetadata(oldTableDef)
+ (StructType(EMPTY_DATA_SCHEMA ++
restoreTableMetadata(oldTableDef).partitionSchema),
Review Comment:
nit, Maybe, the following?
```scala
(StructType(EMPTY_DATA_SCHEMA ++
restoreTableMetadata(oldTableDef).partitionSchema),
(StructType(EMPTY_DATA_SCHEMA ++ restoredOldTable.partitionSchema),
```
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