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#general
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# general
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Ambika

05/08/2021, 12:54 AM
Hi Team -- is there a way to run rank function on top of the data in pinot ?
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Mayank

05/08/2021, 1:04 AM
Not natively in Pinot, may be presto?
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Ambika

05/08/2021, 1:16 AM
ok i will try that...
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Mayank

05/08/2021, 1:18 AM
We do have support for adding post aggregation functions, so should be a be able to add in Pinot I think
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Ambika

05/08/2021, 1:21 AM
ok..
i am thinking how to model a use case where every row might have multiple versions pushed out from kafka over a period of time and If I only wanted the latest version to get pulled in the aggregation , how t get that...
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Mayank

05/08/2021, 1:26 AM
Use upsert instead?
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Ambika

05/08/2021, 1:29 AM
yeah i was thinking about it.. but was not sure if its recommended .. Have you guys tried it at prod scale?
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Mayank

05/08/2021, 1:30 AM
Yes Uber is using it in production
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Ambika

05/08/2021, 1:30 AM
ok.. Thats really good to know.. I will model something and test it this week and reach out if I get into any trouble 🙂 Thanks as always.