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https://issues.apache.org/jira/browse/HIVE-4648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13673367#comment-13673367
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Shreepadma Venugopalan commented on HIVE-4648:
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[~harisekhon]: It is possible to set and unset config variables through JDBC
that can be set/unset through the command line. To do so, you'd need to do an
execute statement with "set config.var = value". To set the scratch dir, you
can do the following in JDBC,
{noformat}
statement.execute("set hive.exec.scratchdir = /tmp/mydir");
{noformat}
Note that this property is set for the particular JDBC connection.
> Add ability to set hadoop conf overrides in JDBC for HiveServer2
> ----------------------------------------------------------------
>
> Key: HIVE-4648
> URL: https://issues.apache.org/jira/browse/HIVE-4648
> Project: Hive
> Issue Type: Improvement
> Components: HiveServer2, JDBC
> Affects Versions: 0.10.0
> Reporter: Hari Sekhon
>
> It's possible in BeeLine to specify set command overides of hadoop config
> variables, but I haven't seen any example code of how to do this in JDBC with
> HiveServer2.
> We need an ability to specify hadoop conf overrides on a per session basis or
> even half way through the session. See this Hive ticket for some background:
> https://issues.apache.org/jira/browse/HIVE-4644
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