classdbcontainer.html

最新版本！fastdb是高效的内存数据库系统

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<tr><td valign=top><em>db</em>&nbsp;</td><td>
database </td></tr>
<tr><td valign=top><em>ref</em>&nbsp;</td><td>
reference to the record deleted from the container </td></tr>
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<a name="dbContainera9" doxytag="dbContainer::remove"></a><p>
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template&lt;class T&gt; </td>
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          <td class="md" nowrap valign="top"> void dbContainer&lt; T &gt;::remove </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbReference.html">dbReference</a>&lt; T &gt; const &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>ref</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inline]</code></td>
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<p>
Remove record from the container <dl compact><dt><b>Parameters: </b></dt><dd>
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<tr><td valign=top><em>ref</em>&nbsp;</td><td>
reference to the record deleted from the container </td></tr>
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<a name="dbContainera3" doxytag="dbContainer::search"></a><p>
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template&lt;class T&gt; </td>
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          <td class="md" nowrap valign="top"> int dbContainer&lt; T &gt;::search </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbCursor.html">dbCursor</a>&lt; T &gt; &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>cursor</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inline]</code></td>
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Select all records in the container <dl compact><dt><b>Parameters: </b></dt><dd>
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<tr><td valign=top><em>cursor</em>&nbsp;</td><td>
cursor to iterate through selected resords </td></tr>
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</dl><dl compact><dt><b>Returns: </b></dt><dd>
number of selected records </dl>    </td>
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<a name="dbContainera1" doxytag="dbContainer::search"></a><p>
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template&lt;class T&gt; </td>
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          <td class="md" nowrap valign="top"> int dbContainer&lt; T &gt;::search </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbCursor.html">dbCursor</a>&lt; T &gt; &amp;&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>cursor</em>, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap>void const *&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>key</em></td>
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          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [inline]</code></td>
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Select records with specified value of the key <dl compact><dt><b>Parameters: </b></dt><dd>
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<tr><td valign=top><em>cursor</em>&nbsp;</td><td>
cursor to iterate through selected resords </td></tr>
<tr><td valign=top><em>key</em>&nbsp;</td><td>
searched value of the key </td></tr>
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</dl><dl compact><dt><b>Returns: </b></dt><dd>
number of selected records </dl>    </td>
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<a name="dbContainera0" doxytag="dbContainer::search"></a><p>
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template&lt;class T&gt; </td>
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          <td class="md" nowrap valign="top"> int dbContainer&lt; T &gt;::search </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbCursor.html">dbCursor</a>&lt; T &gt; &amp;&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>cursor</em>, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap>void const *&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>from</em>, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap>void const *&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>till</em></td>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [inline]</code></td>
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<p>
Search records matching search criteria (between, less or equal, great or equal) <dl compact><dt><b>Parameters: </b></dt><dd>
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<tr><td valign=top><em>cursor</em>&nbsp;</td><td>
cursor to iterate through selected resords </td></tr>
<tr><td valign=top><em>from</em>&nbsp;</td><td>
inclusive low bound for the search key, if <code>NULL</code> then there is no low bound </td></tr>
<tr><td valign=top><em>till</em>&nbsp;</td><td>
inclusive high bound for the search key, if <code>NULL</code> then there is no high bound </td></tr>
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</dl><dl compact><dt><b>Returns: </b></dt><dd>
number of selected records </dl>    </td>
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<a name="dbContainera4" doxytag="dbContainer::spatialSearch"></a><p>
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template&lt;class T&gt; </td>
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          <td class="md" nowrap valign="top"> int dbContainer&lt; T &gt;::spatialSearch </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbCursor.html">dbCursor</a>&lt; T &gt; &amp;&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>cursor</em>, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap><a class="el" href="classrectangle.html">rectangle</a> const &amp;&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>r</em>, </td>
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          <td class="md" nowrap>SpatialSearchType&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>type</em></td>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [inline]</code></td>
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Perform spatial search using R-Tree <dl compact><dt><b>Parameters: </b></dt><dd>
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<tr><td valign=top><em>cursor</em>&nbsp;</td><td>
cursor to iterate through selected resords </td></tr>
<tr><td valign=top><em>r</em>&nbsp;</td><td>
search rectangle </td></tr>
<tr><td valign=top><em>type</em>&nbsp;</td><td>
search criteria: one of <code>SpatialSearchType</code> </td></tr>
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</dl><dl compact><dt><b>Returns: </b></dt><dd>
number of selected records </dl>    </td>
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<hr><h2>Friends And Related Function Documentation</h2>
<a name="dbReferencel0" doxytag="dbContainer::isNull"></a><p>
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          <td class="md" nowrap valign="top"> bool isNull </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbAnyReference.html">dbAnyReference</a> const &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>ref</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [friend, inherited]</code></td>
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Check whether reference is null     </td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="container_8h-source.html">container.h</a></ul>
<hr><address style="align: right;"><small>Generated on Thu Feb 14 12:42:31 2008 for FastDB by
<a href="http://www.doxygen.org/index.html">
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