fallintoplace opened a new issue, #2446:
URL: https://github.com/apache/iceberg-go/issues/2446

   ## What
   - Skip manifests whose partition summaries cannot match the partitions being 
replaced.
   
   ## Why
   - Dynamic overwrite currently reads live entries across the snapshot to find 
matching files.
   - Java uses manifest summaries to prune this work before reading entries.
   
   ## Scope
   - Keep the result correct when summaries are missing or unknown and when 
files use older specs.
   - Measure planning time and manifests read on a table with many unrelated 
partitions.
   
   Related: #2381
   


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