khjoshi94 commented on PR #15474:
URL: https://github.com/apache/iceberg/pull/15474#issuecomment-3991534188

   @RussellSpitzer Thanks for your response again.
   
   I understand the concern about adding a full standalone section. My main 
goal was to surface this behavior because it may be a source of confusion when 
users hit unexpected pruning results due to whitespace in partition values.
   
   I’m happy to reduce this to a short note or warning callout within the 
existing partitioning page instead of a full section if that fits better with 
the style of the docs. Something like:
   > "Note: Iceberg preserves string partition values exactly as written, 
including leading or trailing whitespace. Engines use strict equality for 
pruning, so ingestion pipelines should canonicalize values to avoid unexpected 
pruning."
   
   And if you still feel it doesn’t belong in the main docs even in a smaller 
form, I can close this out and publish it as a blog post instead. 


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