[GitHub] [pinot] walterddr opened a new issue, #11034: [multistage] follow up on multi-stage aggregate functions

["walterddr (via GitHub)" <gi...@apache.org>]

walterddr opened a new issue, #11034:
URL: https://github.com/apache/pinot/issues/11034

   Background
   ===
   - this is a follow-up on #10745
   - original design doc: https://docs.google.com/document/d/1Us6aBvTpNLMEy0ODo34OgTk73h_LVFFAH6q17689h1M/edit?usp=sharing
   
   Summary
   ===
   The previous iteration of aggregate function refactor allows all pinot v1 aggregate functions to be planned with v2 engine by registering aggregate functions with v1's agg-function type into multiple aggregate function signatures on v2.
   
   This is a follow-up to ensure the plan can be broken down with the variety of aggregate function flavors, specifically
   1. support aggregate function with dynamic return type
   2. support aggregate function with the literal positional argument used during function constructor
   
   Furthermore, we want to clean up some of the components we had to introduce during the 2 initial PR, e.g.
   1. cleaner function registry mechanism without specific calcite dependency (they are relatively hard to understand)
   2. clean up hint-based aggregate node representation (currently very complex and not used the same system between runtime and planning)
   3. clean up the final-stage agg vs. final-stage project (so that we don't have to differentiate; and can merge with potential project)


-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

To unsubscribe, e-mail: commits-unsubscribe@pinot.apache.org.apache.org

For queries about this service, please contact Infrastructure at:
users@infra.apache.org


---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@pinot.apache.org
For additional commands, e-mail: commits-help@pinot.apache.org