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db_set_iterator
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<th width="60%" align="center">Chapter 19.
Db_set_iterator </th>
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<h2 class="title" style="clear: both"><a id="stldb_set_iteratordb_set_iterator"></a>
db_set_iterator
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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)
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<p>Constructor. </p>
<p></p>
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Parameters</h4>
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<h5 class="title"><a id="id1566452"></a>
b_bulk_retrieval </h5>
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<p>The bulk read buffer size. 0 means bulk read disabled. </p>
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brmw </h5>
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<p>Whether set DB_RMW flag in underlying cursor. </p>
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powner </h5>
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<p>The container which creates this iterator. </p>
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directdbget </h5>
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<p>Whether do direct database get rather than using key/data values cached in the iterator whenever read. </p>
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<h5 class="title"><a id="id1566661"></a>
b_read_only </h5>
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<p>Whether open a read only cursor. Only effective when using Berkeley DB Concurrent Data Store. </p>
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<pre class="programlisting">
db_set_iterator()
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<div class="titlepage"></div>
<p>Default constructor, dose not create the cursor for now. </p>
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<pre class="programlisting">
db_set_iterator(const db_set_iterator &s)
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<p>Copy constructor. </p>
<p></p>
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<h4 class="title"><a id="id1566442"></a>
Parameters</h4>
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s </h5>
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<p>The other iterator of the same type to initialize this. </p>
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<pre class="programlisting">
db_set_iterator(const base &bo)
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<p>Base copy constructor. </p>
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Parameters</h4>
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bo </h5>
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<p>Initialize from a base class iterator. </p>
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<pre class="programlisting">
db_set_iterator(const db_set_base_iterator< kdt > &bs)
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<div class="titlepage"></div>
<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>
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<h4 class="title"><a id="id1566432"></a>
Parameters</h4>
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bs </h5>
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<p>Initialize from a base class iterator. </p>
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<h3 class="title"><a id="id1566363"></a>
Group: Constructors and destructor</h3>
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<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>
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Class</h3>
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db_set_iterator</a>
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