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<h2 class="title" style="clear: both"><a id="dbget_partition_callback"></a>Db::get_partition_callback()</h2>
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<pre class="programlisting">#include <db_cxx.h>
int
Db::get_partition_callback(u_int32_t *partsp,
u_int32_t (**callback_fcn) (DB *dbp, DBT *key);</pre>
<p>
The <code class="methodname">Db::get_partition_callback()</code> method returns the partitioning information as
set by the <a class="xref" href="dbset_partition.html" title="Db::set_partition()">Db::set_partition()</a> method.
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The <code class="methodname">Db::get_partition_callback()</code> method may be called at any time during the life
of the application.
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The <code class="methodname">Db::get_partition_callback()</code> <span>
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method either returns a non-zero error value or throws an
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<h4 class="title"><a id="idm278192"></a>partsp</h4>
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The
<code class="methodname">Db::get_partition_callback()</code>
method returns number of partitions in the
<span class="bold"><strong>partsp</strong></span>
parameter.
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The <span class="bold"><strong>callback_fcn</strong></span> parameter will be set to the partitioning function.
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<a class="xref" href="dbset_partition.html" title="Db::set_partition()">Db::set_partition()</a>
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