[GitHub] [pinot] 61yao opened a new pull request, #10082: [feature] null literal support for literal transform func

[GitBox]

61yao opened a new pull request, #10082:
URL: https://github.com/apache/pinot/pull/10082

   Support null literal parsing and broker to server passing. It is printed out 
as empty string.
   
   It is passed as string value from broker to server because thrift doesn't 
support passing a null value.
   
   Currently, the null literal is only handled in LiteralTransformFunction 
where it is extracted directly as a string. All the other functions that take 
null literal are not handled in this PR.
   
   We are not able to test it in integration test because H2 doesn't support 
null. See the screenshot for local testing from QuickStart.
   
   <img width="1792" alt="Screen Shot 2023-01-09 at 1 39 34 AM" 
src="https://user-images.githubusercontent.com/111319704/211281980-2d3d3c51-6dca-4cf6-ae95-01afad9423b7.png";>
   
   


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