peter-toth commented on PR #59916:
URL: https://github.com/apache/spark/pull/59916#issuecomment-6604349298

   @dongjoon-hyun, thanks again! Round 2 is addressed in 
[a3b03fe](https://github.com/apache/spark/pull/59916/commits/a3b03fe2a9fa6d4073e138c844271597c2d9c6bd):
   - 1 to 3: for a key whose DPP filters are all dropped, the rule adds no 
bloom filter if the creation side reads a CTE or keeps an `onlyInBroadcast` DPP 
filter that counts as kept, or if it cannot follow the key into a union branch. 
Scratch runs of your three queries at 2420b70 lost rows (1) and failed with 
`CAST_INVALID_INPUT` (2 and 3). Each is a test now. Item 3 also happens on 
master for a key without a DPP filter, which is SPARK-60842.
   - 4: a numeric up-cast of an attribute, and the normalization of a floating 
point key, count as safe keys now.
   - 13: the description adds a run with the application-side threshold at 0.
   - The rest is answered in the threads.
   


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