[jira] [Created] (KYLIN-4199) User Defined Function can't reture type Date

[hailin.huang (Jira)]

hailin.huang created KYLIN-4199:
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             Summary: User Defined Function can't reture type Date
                 Key: KYLIN-4199
                 URL: https://issues.apache.org/jira/browse/KYLIN-4199
             Project: Kylin
          Issue Type: Bug
          Components: Query Engine
    Affects Versions: v2.6.3
            Reporter: hailin.huang


In my scene, I implement user defined fuction str_to_date to support client 
user use mysql dilect to query.
   However when I execute query like this:

select str_to_date(dt) as dt,sum(pv) as pv from access_log group by 
str_to_date(dt);

Kylin throw execution Long can't covert Date.





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