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https://issues.apache.org/jira/browse/HIVE-21462?focusedWorklogId=233289&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-233289
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ASF GitHub Bot logged work on HIVE-21462:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 26/Apr/19 06:32
Start Date: 26/Apr/19 06:32
Worklog Time Spent: 10m
Work Description: ashutosh-bapat commented on pull request #573:
HIVE-21462 : Upgrading SQL server backed metastore when changing datatype of a
column with constraints
URL: https://github.com/apache/hive/pull/573
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Issue Time Tracking
-------------------
Worklog Id: (was: 233289)
Time Spent: 0.5h (was: 20m)
Remaining Estimate: 23.5h (was: 23h 40m)
> Upgrading SQL server backed metastore when changing data type of a column
> with constraints
> ------------------------------------------------------------------------------------------
>
> Key: HIVE-21462
> URL: https://issues.apache.org/jira/browse/HIVE-21462
> Project: Hive
> Issue Type: Bug
> Components: Standalone Metastore
> Reporter: Ashutosh Bapat
> Assignee: Ashutosh Bapat
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.0.0
>
> Attachments: HIVE-21462.01.patch, HIVE-21462.02.patch
>
> Original Estimate: 24h
> Time Spent: 0.5h
> Remaining Estimate: 23.5h
>
> SQL server does not allow changing data type of a column which has a
> constraint or an index on it. The constraint or the index needs to be dropped
> before changing the data type and needs to be recreated after that. Metastore
> upgrade scripts aren't doing this and thus upgrade fails.
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