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Date: Wed, 22 Apr 2009 05:20:48 -0700 (PDT)
From: "Kristian Waagan (JIRA)" <jira@apache.org>
To: derby-dev@db.apache.org
Subject: [jira] Assigned: (DERBY-4171) Connections to on-disk db go to
 in-memory db if in-memory db with same name is booted
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     [ https://issues.apache.org/jira/browse/DERBY-4171?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kristian Waagan reassigned DERBY-4171:
--------------------------------------

    Assignee: Kristian Waagan

> Connections to on-disk db go to in-memory db if in-memory db with same name is booted
> -------------------------------------------------------------------------------------
>
>                 Key: DERBY-4171
>                 URL: https://issues.apache.org/jira/browse/DERBY-4171
>             Project: Derby
>          Issue Type: Bug
>          Components: Store
>    Affects Versions: 10.5.1.1
>            Reporter: Knut Anders Hatlen
>            Assignee: Kristian Waagan
>         Attachments: derby-4171-1a-fix.diff
>
>
> When an in-memory database has been booted, subsequent attempts to connect to an ordinary (on-disk) database with the same name as the in-memory database will connect to the in-memory db.
> ij version 10.5
> ij> connect 'jdbc:derby:memory:MyDB;create=true'; -- with subprotocol memory
> ij> create table t (x varchar(30));
> 0 rows inserted/updated/deleted
> ij> insert into t values 'This is the in-memory backend';
> 1 row inserted/updated/deleted
> ij> connect 'jdbc:derby:MyDB;create=true'; --without subprotocol memory, should create disk db
> WARNING 01J01: Database 'MyDB' not created, connection made to existing database instead.
> ij(CONNECTION1)> select * from t;
> X                             
> ------------------------------
> This is the in-memory backend 
> 1 row selected

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