yihua commented on code in PR #12422:
URL: https://github.com/apache/hudi/pull/12422#discussion_r1870375965


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hudi-spark-datasource/hudi-spark/src/main/scala/org/apache/spark/sql/hudi/command/MergeIntoHoodieTableCommand.scala:
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@@ -435,20 +436,21 @@ case class MergeIntoHoodieTableCommand(mergeInto: 
MergeIntoTable) extends Hoodie
     // validate that we can support partial updates
     if (writePartialUpdates) {
       if (hoodieCatalogTable.tableConfig.getBootstrapBasePath.isPresent) {
-        throw new UnsupportedOperationException("Partial updates are not 
supported for bootstrap tables.")
+        throw new HoodieNotSupportedException("Partial updates are not 
supported for bootstrap tables.")
       }
 
       if (!hoodieCatalogTable.tableConfig.populateMetaFields()) {
-        throw new UnsupportedOperationException("Partial updates are not 
supported for virtual key tables.")
+        throw new HoodieNotSupportedException("Partial updates are not 
supported for virtual key tables.")
       }
 
-      if 
(HoodieAvroUtils.containsUnsupportedTypesForFileGroupReader(fullSchema)) {
-        throw new UnsupportedOperationException("Partial updates are not 
supported for tables with enum columns")
+      val tableSchemaResolver = new 
TableSchemaResolver(hoodieCatalogTable.metaClient)

Review Comment:
   Is this because the `fullSchema` comes from the input data which may not 
contain all columns?



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