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From "Greg Rahn (JIRA)" <j...@apache.org>
Subject [jira] [Created] (IMPALA-5545) Add LISTAGG() fuction
Date Tue, 20 Jun 2017 18:23:00 GMT
Greg Rahn created IMPALA-5545:
---------------------------------

             Summary: Add LISTAGG() fuction
                 Key: IMPALA-5545
                 URL: https://issues.apache.org/jira/browse/IMPALA-5545
             Project: IMPALA
          Issue Type: New Feature
          Components: Backend, Frontend
            Reporter: Greg Rahn


SQL:2016 added LISTAGG() as a standard function for aggregating records into a string list.
 This would introduce a superset of functionality that GROUP_CONCAT() implements today.

References:
- http://modern-sql.com/feature/listagg
- http://docs.oracle.com/database/122/SQLRF/LISTAGG.htm
- https://oracle-base.com/articles/12c/listagg-function-enhancements-12cr2




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