[GitHub] [incubator-pinot] siddharthteotia opened a new pull request #4847: Rewrite single predicate IN as EQUALS

[GitBox <gi...@apache.org>]

siddharthteotia opened a new pull request #4847: Rewrite single predicate IN as EQUALS
URL: https://github.com/apache/incubator-pinot/pull/4847
 
 
   Query rewrite (during parsing) for single predicate IN as EQUALS. 
   
   EQUALS predicate evaluator will directly do native comparison with the dictionary ID or raw value. 
   IN predicate evaluator will needlessly do a lookup on the HashSet that has the dictionary IDs or the  raw values.
   
   Changes and tests are added for all the query paths:
   
   (1) PQL -> BrokerRequest. 
   (2) Sql -> Calcite -> PinotQuery
   (3) PQL -> BrokerRequest -> if PinotQuery enabled -> AstNode::updatePinotQuery()
   
   

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