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<h2 class="title" style="clear: both"><a id="dbget_q_extentsize"></a>Db::get_q_extentsize()</h2>
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<pre class="programlisting">#include <db_cxx.h>
int
Db::get_q_extentsize(u_int32_t *extentsizep);</pre>
<p>
The <code class="methodname">Db::get_q_extentsize()</code> method returns the number of pages in an
extent. This value is used only for Queue databases and is set using the
<a class="xref" href="dbset_q_extentsize.html" title="Db::set_q_extentsize()">Db::set_q_extentsize()</a>
method.
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The <code class="methodname">Db::get_q_extentsize()</code> method may be
called only after the database has been opened.
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The <code class="methodname">Db::get_q_extentsize()</code> <span>
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method either returns a non-zero error value or throws an
exception that encapsulates a non-zero error value on
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<h4 class="title"><a id="idm1239928"></a>extentsizep</h4>
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The <code class="methodname">Db::get_q_extentsize()</code> method returns the number of pages in an
extent in <span class="bold"><strong>extentsizep</strong></span>. If used on a handle that has not yet been opened,
<code class="literal">0</code> is returned.
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