RussellSpitzer commented on a change in pull request #2829:
URL: https://github.com/apache/iceberg/pull/2829#discussion_r706497770
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File path:
spark/src/main/java/org/apache/iceberg/spark/actions/BaseRewriteDataFilesSparkAction.java
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@@ -149,7 +168,13 @@ public RewriteDataFiles filter(Expression expression) {
try {
Map<StructLike, List<FileScanTask>> filesByPartition =
Streams.stream(fileScanTasks)
- .collect(Collectors.groupingBy(task -> task.file().partition()));
+ .collect(Collectors.groupingBy(task -> {
+ if (task.file().specId() == table.spec().specId()) {
+ return task.file().partition();
+ } else {
+ return EmptyStruct.get();
Review comment:
The only issue I can think of here is that it doesn't fit well with the
rest of the code which assumes all FileGroups have an associated partition
value, I think empty is the right thing to pass since we are basically treating
those files as unpartitioned.
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