Connections to on-disk db go to in-memory db if in-memory db with same name is
booted
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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
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
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This is the in-memory backend
1 row selected
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