openinx commented on a change in pull request #2216:
URL: https://github.com/apache/iceberg/pull/2216#discussion_r590041519
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File path: core/src/main/java/org/apache/iceberg/BaseRewriteFiles.java
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@@ -57,4 +57,22 @@ public RewriteFiles rewriteFiles(Set<DataFile>
filesToDelete, Set<DataFile> file
return this;
}
+
+ @Override
+ public RewriteFiles rewriteDeletes(Set<DeleteFile> deletesToDelete,
Set<DeleteFile> deletesToAdd) {
+ Preconditions.checkArgument(deletesToDelete != null &&
!deletesToDelete.isEmpty(),
+ "Files to delete cannot be null or empty");
+ Preconditions.checkArgument(deletesToAdd != null &&
!deletesToAdd.isEmpty(),
Review comment:
This check is incorrect, because if all the equality deletes are not hit
the data files, then there will be no position delete to produce..
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