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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