[jira] [Commented] (HIVE-13670) Improve Beeline connect/reconnect semantics

["Thejas M Nair (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-13670?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15277112#comment-15277112 ] 

Thejas M Nair commented on HIVE-13670:
--------------------------------------

In Beeline.java
how about initing the url 'if (cl.hasOption("reconnect"))' instead of duplicating the code that is under 'if (url != null) {' ?


> Improve Beeline connect/reconnect semantics
> -------------------------------------------
>
>                 Key: HIVE-13670
>                 URL: https://issues.apache.org/jira/browse/HIVE-13670
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 2.1.0
>            Reporter: Sushanth Sowmyan
>            Assignee: Sushanth Sowmyan
>         Attachments: HIVE-13670.2.patch, HIVE-13670.3.patch, HIVE-13670.patch
>
>
> For most users of beeline, chances are that they will be using it with a single HS2 instance most of the time. In this scenario, having them type out a jdbc uri for HS2 every single time to !connect can get tiresome. Thus, we should improve semantics so that if a user does a successful !connect, then we must store the last-connected-to-url, so that if they do a !close, and then a !reconnect, then !reconnect should attempt to connect to the last successfully used url.
> Also, if they then do a !save, then that last-successfully-used url must be saved, so that in subsequent sessions, they can simply do !reconnect rather than specifying a url for !connect.
> In addition, it would be useful to introduce a new way of doing !connect that does involve typing out a jdbc url every time (since this is highly likely to be error-prone)



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