[GitHub] [hive] marton-bod commented on a diff in pull request #3202: HIVE-26133: Insert overwrite on Iceberg tables can result in duplicate entries after partition evolution

[GitBox <gi...@apache.org>]

marton-bod commented on code in PR #3202:
URL: https://github.com/apache/hive/pull/3202#discussion_r848441593


##########
iceberg/iceberg-handler/src/main/java/org/apache/iceberg/mr/hive/HiveIcebergStorageHandler.java:
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@@ -460,6 +461,13 @@ public void validateSinkDesc(FileSinkDesc sinkDesc) throws SemanticException {
       if (IcebergTableUtil.isBucketed(table)) {
         throw new SemanticException("Cannot perform insert overwrite query on bucket partitioned Iceberg table.");
       }
+      if (table.currentSnapshot() != null) {
+        if (table.currentSnapshot().allManifests().parallelStream().map(ManifestFile::partitionSpecId)
+            .filter(id -> id < table.spec().specId()).findAny().isPresent()) {

Review Comment:
   nit: you could use `anyMatch(filter)` instead of `filter(filter).findAny().isPresent()`. Just maybe a litte bit more readable



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