fx19880617 commented on issue #4597: [WIP] Adding json_path function to extract field from json object URL: https://github.com/apache/incubator-pinot/pull/4597#issuecomment-531218134 Will add more documents, this could be used in selection/filtering/groupby, please refer to integration tests. Current implementation requires the column to be a string column and the content is the json string in order to be used. I'm still investigating how to directly ingest a record/map type into the field.
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