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From "Vineet Garg (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-20340) Druid Needs Explicit CASTs from Timestamp to STRING when the output of timestamp function is used as String
Date Thu, 09 Aug 2018 21:14:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-20340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vineet Garg updated HIVE-20340:
-------------------------------
    Status: Patch Available  (was: Open)

> Druid Needs Explicit CASTs from Timestamp to STRING when the output of timestamp function
is used as String
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: HIVE-20340
>                 URL: https://issues.apache.org/jira/browse/HIVE-20340
>             Project: Hive
>          Issue Type: Bug
>          Components: Druid integration
>            Reporter: Vineet Garg
>            Assignee: Vineet Garg
>            Priority: Major
>         Attachments: HIVE-20340.1.patch, HIVE-20340.2.patch, HIVE-20340.3.patch
>
>
> Druid time expressions return numeric values in form of ms (instead of formatted timestamp).
Because of this expressions/function which expects its argument as string type ended up returning
different values for time expressions input.
> e.g. 
> {code}
> SELECT SUBSTRING(to_date(datetime0),4) FROM tableau_orc.calcs;
> | 4-07-25  |
> SELECT SUBSTRING(to_date(datetime0),4) FROM druid_tableau.calcs;
> | 0022400000  |
> SELECT CONCAT(to_date(datetime0),' 00:00:00') FROM tableau_orc.calcs;
> | 2004-07-17 00:00:00  |
> SELECT CONCAT(to_date(datetime0),' 00:00:00') FROM druid_tableau.calcs;
> | 1090454400000 00:00:00  |
>  {code}
> Druid needs explicit cast to make this work



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