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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.h>
int
DB->get_partition_callback(DB *db, 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 database partitioning callback as set by the
<a class="xref" href="dbset_partition.html" title="DB->set_partition()">DB->set_partition()</a>
method.
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<p>
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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<p>
The <code class="methodname">DB->get_partition_callback()</code> <span>
<span>
method returns a non-zero error value on failure and 0 on success.
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<h4 class="title"><a id="idm3657640"></a>partsp</h4>
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The <span class="bold"><strong>partsp</strong></span>
parameter returns the number of partitions used by the
database.
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<h4 class="title"><a id="idm5228672"></a>callback_fcn</h4>
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The <span class="bold"><strong>callback_fcn</strong></span>
parameter returns the partitioning callback.
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<a class="xref" href="db.html#dblist" title="Database and Related Methods">Database and Related Methods</a>,
<a class="xref" href="dbset_partition.html" title="DB->set_partition()">DB->set_partition()</a>
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