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<h2 class="title"><a id="db_base_iterator"></a>Chapter 10.
Db_base_iterator </h2>
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<h4><a id="idp50652168"></a> Public Members </h4>
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<table border="1" width="80%">
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<th>Member</th>
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<td>
<a class="xref" href="db_base_iterator.html#stldb_base_iteratorrefresh" title="refresh">refresh</a>
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<td>
<p>Read data from underlying database via its cursor, and update its cached value. </p> </td>
</tr>
<tr>
<td>
<a class="xref" href="stldb_base_iteratorclose_cursor.html" title="close_cursor">close_cursor</a>
</td>
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<p>Close its cursor. </p> </td>
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<a class="xref" href="stldb_base_iteratorset_bulk_buffer.html" title="set_bulk_buffer">
set_bulk_buffer
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<p>Call this function to modify bulk buffer size. </p> </td>
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<p>Return current bulk buffer size. </p> </td>
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db_base_iterator
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<p>Default constructor. </p> </td>
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<a class="xref" href="stldb_base_iteratoroperator_assign.html" title="operator=">operator=</a>
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<p>Iterator assignment operator. </p> </td>
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<a class="xref" href="stldb_base_iteratordstr_db_base_iterator.html" title="~db_base_iterator">~db_base_iterator</a>
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<p>Get bulk buffer size. </p> </td>
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<p>Get DB_RMW setting. </p> </td>
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<a class="xref" href="stldb_base_iteratoris_directdb_get.html" title="is_directdb_get">is_directdb_get</a>
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<p>Get direct database get setting. </p> </td>
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<h4><a id="idp50801448"></a>
Group</h4>
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<a class="xref" href="dbstl_iterators.html" title="Chapter 9. Dbstl Iterator Classes">
Dbstl Iterator Classes </a>
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<h2 class="title" style="clear: both"><a id="stldb_base_iteratorrefresh"></a>refresh</h2>
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<h3 class="title"><a id="stldb_base_iteratorrefresh_details"></a>Function Details</h3>
</div>
</div>
</div>
<pre class="programlisting">
int refresh(bool from_db=true)
</pre>
<p>Read data from underlying database via its cursor, and update its cached value. </p>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
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<h4 class="title"><a id="idp50816016"></a>Parameters</h4>
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<div class="sect4" lang="en" xml:lang="en">
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<h5 class="title"><a id="idp50835072"></a>from_db </h5>
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<p>Whether retrieve data from database rather than using the cached data in this iterator. </p>
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</div>
<div class="sect3" lang="en" xml:lang="en">
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<h4 class="title"><a id="idp50822880"></a>Return Value</h4>
</div>
</div>
</div>
<p>0 if succeeded. Otherwise an <a class="link" href="DbstlException.html" title="Chapter 30. DbstlException">DbstlException</a>
exception will be thrown. </p>
</div>
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<div class="sect2" lang="en" xml:lang="en">
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<h3 class="title"><a id="idp50823616"></a>Class</h3>
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<p>
<a class="link" href="db_base_iterator.html" title="Chapter 10. Db_base_iterator">db_base_iterator</a>
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