[jira] [Created] (IMPALA-13552) size()/length() function for array/map types

[Quanlong Huang (Jira)]

Quanlong Huang created IMPALA-13552:
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             Summary: size()/length() function for array/map types
                 Key: IMPALA-13552
                 URL: https://issues.apache.org/jira/browse/IMPALA-13552
             Project: IMPALA
          Issue Type: New Feature
          Components: Backend, Frontend
            Reporter: Quanlong Huang


Hive has a size() function to calculate the length of array/map values. We need 
a similar one to collect stats of array/map columns. length() can be defined as 
an alias to this.



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