[GitHub] [spark] JoshRosen commented on issue #24707: [SPARK-27839][SQL] Change UTF8String.replace() to operate on UTF8 bytes

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JoshRosen commented on issue #24707: [SPARK-27839][SQL] Change UTF8String.replace() to operate on UTF8 bytes
URL: https://github.com/apache/spark/pull/24707#issuecomment-496296444
 
 
   @MaxGekk, that's a great idea: I've gone ahead and re-implemented `UTF8String.replace()` to operate over the raw bytes, yielding a huge speedup (~10x in some cases).
   
   Just pushed my changes and updated the description. I'm going to loop back later to give this a second pass of self-review, but wanted to get this new version posted up now for initial feedback.

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