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https://issues.apache.org/jira/browse/HIVE-17607?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16203461#comment-16203461
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Zoltan Haindrich commented on HIVE-17607:
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it seems to me that the "list" kind of thing was possibly also connected to the
fact that CSD was not connected to this thing....I think you may drop the
support of multiple columns; because it is only possible to update 1 column at
a time
https://github.com/apache/hive/blob/0a9fabbd0b01179867042151da5a4409ad7d68d2/ql/src/java/org/apache/hadoop/hive/ql/exec/ColumnStatsUpdateTask.java#L59
https://github.com/apache/hive/blob/0a9fabbd0b01179867042151da5a4409ad7d68d2/ql/src/java/org/apache/hadoop/hive/ql/exec/ColumnStatsUpdateTask.java#L92
and one more thing: the {{tbl.getDbName()}} and
{{SessionState.getCurrentDatabase()}} seems to be odd next to each-other...I
think only one of them is needed; although not sure in this case which....
> remove ColumnStatsDesc usage from columnstatsupdatetask
> -------------------------------------------------------
>
> Key: HIVE-17607
> URL: https://issues.apache.org/jira/browse/HIVE-17607
> Project: Hive
> Issue Type: Sub-task
> Reporter: Zoltan Haindrich
> Assignee: Gergely Hajós
> Attachments: HIVE-17607.1.patch
>
>
> it's not entirely connected to this task...it should either has its own
> descriptor; or work sould take on the: tablename/coltype/colname payload
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