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Posted to issues@hive.apache.org by "Jesus Camacho Rodriguez (JIRA)" <ji...@apache.org> on 2017/06/23 13:38:00 UTC
[jira] [Updated] (HIVE-16751) Support different types for grouping
columns in GroupBy Druid queries
[ https://issues.apache.org/jira/browse/HIVE-16751?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jesus Camacho Rodriguez updated HIVE-16751:
-------------------------------------------
Status: Patch Available (was: Open)
> Support different types for grouping columns in GroupBy Druid queries
> ---------------------------------------------------------------------
>
> Key: HIVE-16751
> URL: https://issues.apache.org/jira/browse/HIVE-16751
> Project: Hive
> Issue Type: Bug
> Components: Druid integration
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Attachments: HIVE-16751.patch
>
>
> Calcite 1.13 pushes EXTRACT and FLOOR function to Druid as an extraction function (cf CALCITE-1758). Originally, we were assuming that all group by columns in a druid query were of STRING type; however, this will not true anymore (result of EXTRACT is an INT and result of FLOOR a TIMESTAMP).
> When we upgrade to Calcite 1.13, we will need to extend the DruidSerDe to handle these functions.
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