Jackie-Jiang commented on issue #11775:
URL: https://github.com/apache/pinot/issues/11775#issuecomment-1760562714

   @dario-liberman Thanks for providing the context! The docs you referenced 
are actually window functions, and here are some discussions around it #7213. 
It is not really possible to achieve it with single-stage engine (we can 
potentially bring everything back to broker, but it is not a scale solution 
when the table is large). We already have it implemented in the multi-stage 
engine, and we should explore if this feature can fit into that. cc @walterddr 
   
   @alexch2000 I don't think a new transform function can solve the moving time 
window problem because this calculation cannot fit into single-stage engine 
model.


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