npawar commented on issue #7262:
URL: https://github.com/apache/pinot/issues/7262#issuecomment-895755814


   According to the syntax,
   JsonField = query
   JsonPath = $.mapping
   So try, jsonPathLong(query, '$.mapping', default value)
   
   On Mon, Aug 9, 2021, 10:56 PM HJK181 ***@***.***> wrote:
   
   > @npawar <https://github.com/npawar> I've tried
   >
   > "transformConfigs": [
   >   {
   >     "columnName": "timestamp",
   >     "transformFunction": "JSONPATHLONG(query, '$.mappingTime', 31536000)"
   >   }
   > ]
   >
   > and
   >
   > "transformConfigs": [
   >   {
   >     "columnName": "timestamp",
   >     "transformFunction": "JSONPATHLONG(query, '$.query.mappingTime', 
31536000)"
   >   }
   > ]
   >
   > both resulting in Created dictionary for LONG column: timestamp with
   > cardinality: 1, range: 31536000 to 31536000 where all rows contain the
   > default value.
   >
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