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https://issues.apache.org/jira/browse/IMPALA-11233?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17521471#comment-17521471
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gaoxiaoqing commented on IMPALA-11233:
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I wrote a demo [https://gerrit.cloudera.org/#/c/18408/]
do you think is it ok to create a new syntax？ eg, reset query_option
> reset all query option
> ----------------------
>
> Key: IMPALA-11233
> URL: https://issues.apache.org/jira/browse/IMPALA-11233
> Project: IMPALA
> Issue Type: New Feature
> Reporter: gaoxiaoqing
> Assignee: gaoxiaoqing
> Priority: Minor
>
> when we using jdbc connection pool, a connection set some query option, after
> query finished, connection is closed and put back to the connection pool.
> when connection using again, the last query option also come into affect.
> we need a feature that a set statement can reset all query option without
> restart impalad.
> i decide to define a set statement 'set reset_all_option'. it can reset all
> query option.
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