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Posted to github@datafusion.apache.org by "waynexia (via GitHub)" <gi...@apache.org> on 2025/07/23 22:25:57 UTC

Re: [PR] Optimize performance of `character_length` function [datafusion]

waynexia commented on PR #13696:
URL: https://github.com/apache/datafusion/pull/13696#issuecomment-3110660261

   > Slightly late: but probably `take_iter_unchecked` will give some gain instead of traversing arrays
   
   This method accepts `StringArrayType` instead of `StringArray` or similar things so we can only use `.value()` or `.iter()` here if we don't do upcast/downcast 😢 


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