[GitHub] [spark] iRakson edited a comment on issue #27836: [SPARK-31009][SQL] Support json_object_keys function

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iRakson edited a comment on issue #27836: [SPARK-31009][SQL] Support json_object_keys function
URL: https://github.com/apache/spark/pull/27836#issuecomment-601120259
 
 
   > > Do you know how much faster it is?
   > > > json_object_keys gives better performance than map_keys+from_json.
   > 
   > Has the @dongjoon-hyun comment above been already adderssed? If this func has performance benefits, I think its better to show the perf. numbers in the PR description.
   
   I have updated the time required for `map_keys+from_json` and `json_object_keys` in PR description. I will also try to add benchmark for all the new JSON functions.
   @maropu @HyukjinKwon 

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