siddharthteotia commented on PR #9501:
URL: https://github.com/apache/pinot/pull/9501#issuecomment-1281653061

   Based on @kkrugler 's suggestion to explore library, I had asked 
@SabrinaZhaozyf  to do some investigation along the following lines.
   
   - Do we think library will offer comprehensive IP processing functionality 
besides `subnet_contains` (which is the current focus of your PR but we want to 
add more more in future) ?
   
   - Suggest taking a look at IP related functions supported by Kusto / Presto 
/ Snowflake / Postgres  to get an idea of IP processing landscape
   
   - Do we think our impl can be simplified by using the library and be less 
error prone ?
   
   - Probably not a good idea to use the library if it only supports specific 
functionality.
   
   - Some systems support IP address as a data type (NETWORK_ADDRESS IIRC ). We 
don't want to go there (yet) but good to check once if using the library will 
force us down a particular approach
   
   @SabrinaZhaozyf , you may want to share any of your findings here for 
reference / discussion.
   
   @Jackie-Jiang  @walterddr @xiangfu0 - both approaches are implemented here. 
Can we get consensus on how we move forward ? One thing is that we will have to 
overload this for different types. Have you seen a similar requirement ?


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