richardstartin opened a new pull request #8138:
URL: https://github.com/apache/pinot/pull/8138


   This PR prunes evaluation of THEN cases when they are not selected at the 
block level. This can happen when e.g. the conditions are applied to the values 
of a sorted column, or if a CASE holding is very rare and the THEN statement is 
a fallback.
   
   This also includes some reductions in allocations in 
`LiteralTransformFunction` and `LogicalOperatorTransformFunction`, which are 
often used with CASE statements.


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