classdbcursor.html

俄罗斯牛人KK的作品,著名的ORDBMS,这里上传最新的3.39版本源代码.希望了解对象关系数据库的同好,请不要错过.

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Get pointer to the current record <dl compact><dt><b>Returns: </b></dt><dd>
pointer to the current record or <code>NULL</code> if there is no current record </dl>    </td>
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<a name="dbCursor_3_01dbTimeSeriesBlock_3_01T_01_4_01_4a15" doxytag="dbCursor::getNumberOfRecords"></a><p>
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          <td class="md" nowrap valign="top"> int dbAnyCursor::getNumberOfRecords </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap> const<code> [inline, inherited]</code></td>
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<p>
Get number of selected records <dl compact><dt><b>Returns: </b></dt><dd>
number of selected records </dl>    </td>
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<a name="dbCursor_3_01dbTimeSeriesBlock_3_01T_01_4_01_4a46" doxytag="dbCursor::getRecord"></a><p>
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          <td class="md" nowrap valign="top"> void* dbAnyCursor::getRecord </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inline, inherited]</code></td>
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<p>
Get pointer to the location where fields of the current record are fetched <dl compact><dt><b>Returns: </b></dt><dd>
pointer to the memory location set by cursor constructor or setRecord method </dl>    </td>
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<a name="dbCursor_3_01dbTimeSeriesBlock_3_01T_01_4_01_4a43" doxytag="dbCursor::getTable"></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classdbTableDescriptor.html">dbTableDescriptor</a>* dbAnyCursor::getTable </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inline, inherited]</code></td>
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Get table for which cursor is opened     </td>
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<a name="dbCursor_3_01dbTimeSeriesBlock_3_01T_01_4_01_4a49" doxytag="dbCursor::hasNext"></a><p>
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          <td class="md" nowrap valign="top"> bool dbAnyCursor::hasNext </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inherited]</code></td>
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Check if there is more records in the selection     </td>
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<a name="dbCursor_3_01dbTimeSeriesBlock_3_01T_01_4_01_4a17" doxytag="dbCursor::isEmpty"></a><p>
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          <td class="md" nowrap valign="top"> bool dbAnyCursor::isEmpty </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap> const<code> [inline, inherited]</code></td>
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<p>
Checks whether selection is empty <dl compact><dt><b>Returns: </b></dt><dd>
true if there is no current record </dl>    </td>
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<a name="dbCursor_3_01dbTimeSeriesBlock_3_01T_01_4_01_4a38" doxytag="dbCursor::isFirst"></a><p>
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          <td class="md" nowrap valign="top"> bool dbAnyCursor::isFirst </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inherited]</code></td>
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<p>
Check whether current record is the first one in the selection <dl compact><dt><b>Returns: </b></dt><dd>
true if <a class="el" href="classdbCursor.html#dbCursora4">prev()</a> method will return <code>NULL</code> </dl>    </td>
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<a name="dbCursor_3_01dbTimeSeriesBlock_3_01T_01_4_01_4a47" doxytag="dbCursor::isInSelection"></a><p>
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          <td class="md" nowrap valign="top"> bool dbAnyCursor::isInSelection </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">oid_t&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>oid</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inherited]</code></td>
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Check if record with specified OID is in selection <dl compact><dt><b>Returns: </b></dt><dd>
<code>true</code> if record with such OID was selected </dl>    </td>
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<a name="dbCursora14" doxytag="dbCursor::isInSelection"></a><p>
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template&lt;class T&gt; </td>
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          <td class="md" nowrap valign="top"> bool dbCursor&lt; T &gt;::isInSelection </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; &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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Check if record with specified OID is in selection <dl compact><dt><b>Returns: </b></dt><dd>
<code>true</code> if record with such OID was selected </dl>    </td>
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<a name="dbCursor_3_01dbTimeSeriesBlock_3_01T_01_4_01_4a37" doxytag="dbCursor::isLast"></a><p>
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          <td class="md" nowrap valign="top"> bool dbAnyCursor::isLast </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inherited]</code></td>
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Check whether current record is the last one in the selection <dl compact><dt><b>Returns: </b></dt><dd>
true if <a class="el" href="classdbCursor.html#dbCursora3">next()</a> method will return <code>NULL</code> </dl>    </td>
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<a name="dbCursor_3_01dbTimeSeriesBlock_3_01T_01_4_01_4a20" doxytag="dbCursor::isLimitReached"></a><p>
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          <td class="md" nowrap valign="top"> bool dbAnyCursor::isLimitReached </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap> const<code> [inline, inherited]</code></td>
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Checks whether limit for number of selected reacord is reached <dl compact><dt><b>Returns: </b></dt><dd>
true if limit is reached </dl>    </td>
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<a name="dbCursor_3_01dbTimeSeriesBlock_3_01T_01_4_01_4a19" doxytag="dbCursor::isUpdateCursor"></a><p>
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          <td class="md" nowrap valign="top"> bool dbAnyCursor::isUpdateCursor </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap> const<code> [inline, inherited]</code></td>
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Check whether this cursor can be used for update <dl compact><dt><b>Returns: </b></dt><dd>
true if it is update cursor </dl>    </td>
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<a name="dbCursora6" doxytag="dbCursor::last"></a><p>
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template&lt;class T&gt; </td>
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          <td class="md" nowrap valign="top"> T* dbCursor&lt; T &gt;::last </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inline]</code></td>
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