[GitHub] [incubator-pinot] fx19880617 commented on pull request #4597: Adding json_path function to extract field from json object

[GitBox <gi...@apache.org>]

fx19880617 commented on pull request #4597:
URL: https://github.com/apache/incubator-pinot/pull/4597#issuecomment-623045818


   > Now that we have support for udf in filter predicates, this can be an amazing feature.
   > Can we change the function names to match with presto
   > 
   > * https://prestodb.io/docs/current/functions/json.html
   > * https://docs.aws.amazon.com/athena/latest/ug/querying-JSON.html
   
   Rename function name to `json_extract_scalar` also added a new function to extract `json_extract_key` to extract the paths for a given json.


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