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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="redland-storage-module-tstore"></a>Store 'tstore'</h2></div></div></div>
<p>This module provides storage via the
<a class="ulink" href="http://triplestore.aktors.org/" target="_top">AKT Triplestore</a>
when available. It was added in Redland 0.9.15
and is alpha quality - not complete or tested significantly (although
the AKT store itself is used in production). This store provides a
basic triple API but no redland contexts. The underlying RDQL
support and inference is not yet exposed in Redland but may be in
future.
</p>
<p>There are several options required with the tstore storage in
order to connect to the tstore database (which uses MySQL). These
are:</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem"><p><code class="literal">host</code> for the database server hostname</p></li>
<li class="listitem"><p><code class="literal">port</code> for the database server port</p></li>
<li class="listitem"><p><code class="literal">database</code> for the database name (not the storage name)</p></li>
<li class="listitem"><p><code class="literal">user</code> for the database server user name</p></li>
<li class="listitem"><p><code class="literal">password</code> for the database server password</p></li>
</ul></div>
<p>NOTE: Take care exposing the password as for example, program
arguments or environment variables. The rdfproc utility can with
help this by reading the password from standard input. Inside
programs, one way to prevent storing the password in a string is to
construct a Redland hash of the storage options such as
via <code class="literal">librdf_hash_from_string</code> and use
<code class="literal">librdf_new_storage_with_options</code> to create a storage.
The rdfproc utility source code demonstrates this.
</p>
<p>Summary:</p>
<div class="itemizedlist"><ul class="itemizedlist" type="disc">
<li class="listitem"><p>Persistent</p></li>
<li class="listitem"><p>Suitable for very large models</p></li>
<li class="listitem"><p>Indexed and optimized by the AKT project</p></li>
<li class="listitem"><p>No Redland contexts</p></li>
<li class="listitem"><p>Alpha quality</p></li>
</ul></div>
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