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<th width="60%" align="center">Chapter 19.
Db_set_iterator </th>
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<div class="sect1" lang="en" xml:lang="en">
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<div>
<h2 class="title" style="clear: both"><a id="stldb_set_iteratordb_set_iterator"></a>db_set_iterator</h2>
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<div class="sect2" lang="en" xml:lang="en">
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<h3 class="title"><a id="stldb_set_iteratordb_set_iterator_details"></a>Function Details</h3>
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<pre class="programlisting">
db_set_iterator(db_container *powner, u_int32_t b_bulk_retrieval=0,
bool brmw=false, bool directdbget=true,
bool b_read_only=false)
</pre>
<p>Constructor. </p>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="idp51325640"></a>Parameters</h4>
</div>
</div>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51327392"></a>b_bulk_retrieval</h5>
</div>
</div>
</div>
<p>The bulk read buffer size. 0 means bulk read disabled. </p>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51329336"></a>brmw</h5>
</div>
</div>
</div>
<p>Whether set DB_RMW flag in underlying cursor. </p>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51329656"></a>powner</h5>
</div>
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<p>The container which creates this iterator. </p>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51329976"></a>directdbget</h5>
</div>
</div>
</div>
<p>Whether do direct database get rather than using key/data values cached in the iterator whenever read. </p>
</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51330408"></a>b_read_only</h5>
</div>
</div>
</div>
<p>Whether open a read only cursor. Only effective when using Berkeley DB Concurrent Data Store. </p>
</div>
</div>
<pre class="programlisting">
db_set_iterator()
</pre>
<p>Default constructor, dose not create the cursor for now. </p>
<pre class="programlisting">
db_set_iterator(const db_set_iterator &s)
</pre>
<p>Copy constructor. </p>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
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<h4 class="title"><a id="idp51331024"></a>Parameters</h4>
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<div class="titlepage">
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<div>
<h5 class="title"><a id="idp51331216"></a>s</h5>
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</div>
</div>
<p>The other iterator of the same type to initialize this. </p>
</div>
</div>
<pre class="programlisting">
db_set_iterator(const base &bo)
</pre>
<p>Base copy constructor. </p>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h4 class="title"><a id="idp51325104"></a>Parameters</h4>
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</div>
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<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51332184"></a>bo</h5>
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<p>Initialize from a base class iterator. </p>
</div>
</div>
<pre class="programlisting">
db_set_iterator(const db_set_base_iterator< kdt > &bs)
</pre>
<p>Sibling copy constructor. </p>
<p>Note that this class does not derive from <a class="link" href="db_set_base_iterator.html" title="Chapter 18. Db_set_base_iterator">db_set_base_iterator</a>
but from <a class="link" href="db_map_iterator.html" title="Chapter 16. Db_map_iterator">db_map_iterator</a>
. </p>
<div class="sect3" lang="en" xml:lang="en">
<div class="titlepage">
<div>
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<h4 class="title"><a id="idp51333600"></a>Parameters</h4>
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</div>
<div class="sect4" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h5 class="title"><a id="idp51333792"></a>bs</h5>
</div>
</div>
</div>
<p>Initialize from a base class iterator. </p>
</div>
</div>
</div>
<div class="sect2" lang="en" xml:lang="en">
<div class="titlepage">
<div>
<div>
<h3 class="title"><a id="idp51312816"></a>Group: Constructors and destructor</h3>
</div>
</div>
</div>
<p>Do not use these constructors to create iterators, but call <a class="link" href="stldb_mapbegin.html" title="begin">db_set::begin()</a>
or <a class="link" href="stldb_mapbegin.html" title="begin">db_multiset::begin()</a>
to create valid ones. </p>
</div>
<div class="sect2" lang="en" xml:lang="en">
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<h3 class="title"><a id="idp51326224"></a>Class</h3>
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<a class="link" href="db_set_iterator.html" title="Chapter 19. Db_set_iterator">db_set_iterator</a>
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