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https://issues.apache.org/jira/browse/HIVE-3678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13500570#comment-13500570
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Carl Steinbach commented on HIVE-3678:
--------------------------------------
Sorry for the confusion. When I wrote "blob" I was trying to convey only that
the field will be opaque to the DB (since it's a JSON struct), not that it will
actually be stored in a BLOB column. If we store the JSON struct in a VARCHAR
we have at least 4000 bytes to work with.
> Add metastore upgrade scripts for column stats schema changes
> -------------------------------------------------------------
>
> Key: HIVE-3678
> URL: https://issues.apache.org/jira/browse/HIVE-3678
> Project: Hive
> Issue Type: Bug
> Components: Metastore
> Reporter: Shreepadma Venugopalan
> Assignee: Shreepadma Venugopalan
> Fix For: 0.10.0
>
> Attachments: HIVE-3678.1.patch.txt
>
>
> Add upgrade script for column statistics schema changes for
> Postgres/MySQL/Oracle/Derby
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