jackjlli opened a new pull request #6361:
URL: https://github.com/apache/incubator-pinot/pull/6361


   ## Description
   This PR adds the logic of detecting invalid column names from query in Pinot 
server. 
   Since query context is already generated in pinot server, we don't need to 
parse an extra copy of query context for the same query.
   
   In pinot broker, once there exists non-null response metadata 
`invalidColumns` in any returned data table, a broker metric will be emitted. 
This helps us to detect whether there is any existing use cases that are 
querying with invalid columns right now.
   
   ## Upgrade Notes
   Does this PR prevent a zero down-time upgrade? (Assume upgrade order: 
Controller, Broker, Server, Minion)
   * [ ] Yes (Please label as **<code>backward-incompat</code>**, and complete 
the section below on Release Notes)
   
   Does this PR fix a zero-downtime upgrade introduced earlier?
   * [ ] Yes (Please label this as **<code>backward-incompat</code>**, and 
complete the section below on Release Notes)
   
   Does this PR otherwise need attention when creating release notes? Things to 
consider:
   - New configuration options
   - Deprecation of configurations
   - Signature changes to public methods/interfaces
   - New plugins added or old plugins removed
   * [ ] Yes (Please label this PR as **<code>release-notes</code>** and 
complete the section on Release Notes)
   ## Release Notes
   If you have tagged this as either backward-incompat or release-notes,
   you MUST add text here that you would like to see appear in release notes of 
the
   next release.
   
   If you have a series of commits adding or enabling a feature, then
   add this section only in final commit that marks the feature completed.
   Refer to earlier release notes to see examples of text
   
   ## Documentation
   If you have introduced a new feature or configuration, please add it to the 
documentation as well.
   See 
https://docs.pinot.apache.org/developers/developers-and-contributors/update-document
   


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