[GitHub] [incubator-druid] vogievetsky opened a new issue #7961: DruidSQL: there should be an NVL function that is just an alias for COALESCE

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

vogievetsky opened a new issue #7961: DruidSQL: there should be an NVL function that is just an alias for COALESCE 
URL: https://github.com/apache/incubator-druid/issues/7961
 
 
   ### Description
   
   Druid SQL supports COALESCE but some [DBs call that function NVL](https://www.oracletutorial.com/oracle-comparison-functions/oracle-nvl/) also Druid's expression language [calls this function nvl](https://druid.apache.org/docs/latest/misc/math-expr.html).
   
   ### Motivation
   
   There is nothing wrong with having aliases for functions in SQL, it might save someone a bit of confusion.
   

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