rdblue commented on PR #8278:
URL: https://github.com/apache/iceberg/pull/8278#issuecomment-1675495633
@ConeyLiu, I said above that I think it would be valuable to handle position
delete files that are for only one data file separately, by keeping them in a
map. Can you help us understand how many of the delete files in your table
would be separated out in that case? Basically, can you run something like this?
```java
long count = 0;
for (DeleteFile file : deleteFiles) {
ByteBuffer lower =
file.lowerBounds().get(MetadataColumns.FILE_PATH_COLUMN_ID);
ByteBuffer upper =
file.upperBounds().get(MetadataColumns.FILE_PATH_COLUMN_ID);
if (lower.equals(upper)) {
count += 1
}
}
```
It might be easier to do this in SQL, too.
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