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21 <th colspan="3" align="center">Db::get_partition_callback()</th>
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33 <div class="sect1" lang="en" xml:lang="en">
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37 <h2 class="title" style="clear: both"><a id="dbget_partition_callback"></a>Db::get_partition_callback()</h2>
41 <pre class="programlisting">#include <db_cxx.h>
44 Db::get_partition_callback(u_int32_t *partsp,
45 u_int32_t (**callback_fcn) (DB *dbp, DBT *key);</pre>
47 The <code class="methodname">Db::get_partition_callback()</code> method returns the partitioning information as
48 set by the <a class="xref" href="dbset_partition.html" title="Db::set_partition()">Db::set_partition()</a> method.
51 The <code class="methodname">Db::get_partition_callback()</code> method may be called at any time during the life
55 The <code class="methodname">Db::get_partition_callback()</code> <span>
58 method either returns a non-zero error value or throws an
59 exception that encapsulates a non-zero error value on
60 failure, and returns 0 on success.
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68 <h3 class="title"><a id="idm4398768"></a>Parameters</h3>
72 <div class="sect3" lang="en" xml:lang="en">
73 <div class="titlepage">
76 <h4 class="title"><a id="idm4785288"></a>partsp</h4>
82 <code class="methodname">Db::get_partition_callback()</code>
83 method returns number of partitions in the
84 <span class="bold"><strong>partsp</strong></span>
88 <div class="sect3" lang="en" xml:lang="en">
89 <div class="titlepage">
92 <h4 class="title"><a id="idm5777872"></a>callback_fcn</h4>
97 The <span class="bold"><strong>callback_fcn</strong></span> parameter will be set to the partitioning function.
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117 <h3 class="title"><a id="idm821912"></a>See Also</h3>
122 <a class="xref" href="db.html#dblist" title="Database and Related Methods">Database and Related Methods</a>,
123 <a class="xref" href="dbset_partition.html" title="Db::set_partition()">Db::set_partition()</a>
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