classdbcursor.html

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          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inherited]</code></td>
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<p>
Freeze cursor. This method makes it possible to save current state of cursor, close transaction to allow other threads to proceed, and then later restore state of the cursor using unfreeze method and continue  traversal through selected records.     </td>
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<a name="dbCursora2" doxytag="dbCursor::get"></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;::get </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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<p>
Get pointer to the current record <dl compact><dt><b>
Returns: </b><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_01Sequencer_01_4a12" 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><code> [inline, inherited]</code></td>
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<p>
Get number of selected records <dl compact><dt><b>
Returns: </b><dd>
number of selected records </dl>    </td>
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<a name="dbCursor_3_01Sequencer_01_4a34" 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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<p>
Get table for which cursor is opened     </td>
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<a name="dbCursor_3_01Sequencer_01_4a14" 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><code> [inline, inherited]</code></td>
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<p>
Checks whether selection is empty <dl compact><dt><b>
Returns: </b><dd>
true if there is no current record </dl>
<p>
Reimplemented from <a class="el" href="classdbL2List.html">dbL2List</a>.    </td>
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<a name="dbCursor_3_01Sequencer_01_4a31" 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><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_01Sequencer_01_4a30" 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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<p>
Check whether current record is the last one in the selection <dl compact><dt><b>
Returns: </b><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_01Sequencer_01_4a15" 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><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><dd>
true if limit is reached </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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<p>
Get pointer to the last record <dl compact><dt><b>
Returns: </b><dd>
pointer to the last record or <code>NULL</code> if no records were selected </dl>    </td>
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<a name="dbCursora3" doxytag="dbCursor::next"></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;::next </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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<p>
Get next record <dl compact><dt><b>
Returns: </b><dd>
pointer to the next record or <code>NULL</code> if there is no next record </dl>    </td>
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<a name="dbCursora11" doxytag="dbCursor::nextAvailable"></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;::nextAvailable </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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<p>
Method nextAvailable allows to iterate through the records in uniform way even when some records  are removed. For example: <pre>
 if (cursor.select(q) &gt; 0) { 
     do { 
         if (x) { 
             cursor.remove();
         } else { 
             cursor.update();
         }
     } while (cursor.nextAvaiable());
  }
     *</pre> <dl compact><dt><b>
Returns: </b><dd>
pointer to the current record </dl>    </td>
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<a name="dbCursora7" doxytag="dbCursor::operator->"></a><p>