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https://issues.apache.org/jira/browse/DERBY-5357?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dag H. Wanvik resolved DERBY-5357.
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Resolution: Fixed
Fix Version/s: 10.9.0.0
Issue & fix info: (was: Patch Available)
> SQLJ.INSTALL_JAR shouldn't use identifier as file name
> ------------------------------------------------------
>
> Key: DERBY-5357
> URL: https://issues.apache.org/jira/browse/DERBY-5357
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.9.0.0
> Reporter: Knut Anders Hatlen
> Assignee: Dag H. Wanvik
> Labels: derby_triage10_9
> Fix For: 10.9.0.0
>
> Attachments: derby-5357-2.diff, derby-5357-2.stat,
> derby-5357-with-tests-2.diff, derby-5357-with-tests-2.stat,
> derby-5357-with-tests-3.diff, derby-5357-with-tests-3.stat,
> derby-5357-with-tests-4.diff, derby-5357-with-tests-4.stat,
> derby-5357-with-tests.diff, derby-5357-with-tests.stat, derby-5357.diff,
> derby-5357.stat
>
>
> When installing a jar file with the SQLJ.INSTALL_JAR procedure, it will copy
> the jar file to a subdirectory of the database directory. The name of the
> stored jar file is based on the qualified name specified by the second
> parameter in the procedure, and becomes something like:
> <DBDIR>/jar/<SCHEMA>/<JAR_NAME>.jar.<VERSION>
> This naming scheme is problematic because the qualified name of the jar file
> is an SQL identifier and may contain any characters, also characters with
> special meaning to the underlying file system.
> One example is this call:
> ij> call sqlj.install_jar('/path/to/toursdb.jar', 'APP."../../../x/jar"', 0);
> 0 rows inserted/updated/deleted
> On Unix-like systems, this will install the jar in a subdirectory of the
> database directory's parent directory, which is clearly unfortunate as the
> database directory should be self-contained (an assumption used when taking
> backup of a database using operating system commands, or when moving the
> database to another location).
> There's probably also a possibility that INSTALL_JAR fails if the identifier
> contains a character that's not allowed in file names on the platform.
> It would be better if the jars were stored in a file whose name is
> independent of the identifier used, so that any valid SQL identifier could be
> used to name a jar file in the database without causing problems.
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