classdbanycursor.html

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selection criteria </td></tr>
<tr><td valign=top><em>aType</em>&nbsp;</td><td>
cursor type: <code>dbCursorForUpdate, dbCursorViewOnly</code> </td></tr>
<tr><td valign=top><em>paramStruct</em>&nbsp;</td><td>
pointer to structure with parameters. </td></tr>
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</dl><dl compact><dt><b>
Returns: </b><dd>
number of selected records </dl>    </td>
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<a name="dbCursor_3_01Sequencer_01_4a18" doxytag="dbAnyCursor::select"></a><p>
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          <td class="md" nowrap valign="top"> int dbAnyCursor::select </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbQuery.html">dbQuery</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>query</em>, </td>
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        <tr>
          <td></td>
          <td></td>
          <td class="md" nowrap>void *&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>paramStruct</em> = NULL</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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      &nbsp;
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<p>
Execute query with default cursor type. <dl compact><dt><b>
Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>query</em>&nbsp;</td><td>
selection criteria </td></tr>
<tr><td valign=top><em>paramStruct</em>&nbsp;</td><td>
pointer to structure with parameters. </td></tr>
</table>
</dl><dl compact><dt><b>
Returns: </b><dd>
number of selected records </dl>    </td>
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<a name="dbCursor_3_01Sequencer_01_4a17" doxytag="dbAnyCursor::select"></a><p>
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          <td class="md" nowrap valign="top"> int dbAnyCursor::select </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbQuery.html">dbQuery</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>query</em>, </td>
        </tr>
        <tr>
          <td></td>
          <td></td>
          <td class="md" nowrap>dbCursorType&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>aType</em>, </td>
        </tr>
        <tr>
          <td></td>
          <td></td>
          <td class="md" nowrap>void *&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>paramStruct</em> = NULL</td>
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        <tr>
          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [inline]</code></td>
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<p>
Execute query. <dl compact><dt><b>
Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>query</em>&nbsp;</td><td>
selection criteria </td></tr>
<tr><td valign=top><em>aType</em>&nbsp;</td><td>
cursor type: <code>dbCursorForUpdate, dbCursorViewOnly</code> </td></tr>
<tr><td valign=top><em>paramStruct</em>&nbsp;</td><td>
pointer to structure with parameters. If you want to create reentrant precompiled query, i.e. query which can be used concurrently by different threadsm you should avoid to use static variables in  such query, and instead of it place paramters into some structure, specify in query relative offsets to the parameters, fill local structure and pass pointer to it to select method. </td></tr>
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</dl><dl compact><dt><b>
Returns: </b><dd>
number of selected records </dl>    </td>
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<a name="dbCursor_3_01Sequencer_01_4a28" doxytag="dbAnyCursor::setPrefetchMode"></a><p>
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          <td class="md" nowrap valign="top"> void dbAnyCursor::setPrefetchMode </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">bool&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>mode</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inline]</code></td>
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<p>
Set prefetch mode. By default, current record is fetch as soon as it is becomes current. But sometimesyou need only OIDs of selected records. In this case setting prefetchMode to false can help. <dl compact><dt><b>
Parameters: </b><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em>mode</em>&nbsp;</td><td>
if <code>false</code> then current record is not fetched. You should explicitly call <code>fetch</code> method if you want to fetch it. </td></tr>
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</dl>    </td>
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<a name="dbCursor_3_01Sequencer_01_4a26" doxytag="dbAnyCursor::setSelectionLimit"></a><p>
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          <td class="md" nowrap valign="top"> void dbAnyCursor::setSelectionLimit </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">size_t&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>lim</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [inline]</code></td>
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<p>
Specify maximal number of records to be selected     </td>
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<a name="dbCursor_3_01Sequencer_01_4a16" doxytag="dbAnyCursor::toArrayOfOid"></a><p>
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          <td class="md" nowrap valign="top"> oid_t* dbAnyCursor::toArrayOfOid </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>arr</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap></td>
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    </td>
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<p>
Extract OIDs of selected recrods in array <dl compact><dt><b>
Parameters: </b><dd>
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<tr><td valign=top><em>arr</em>&nbsp;</td><td>
if <code>arr</code> is not null, then this array is used as destination (it should be at least selection.nRows long)<br>
 If <code>arr</code> is null, then new array is created by new oid_t[] and returned by this method </td></tr>
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</dl><dl compact><dt><b>
Returns: </b><dd>
if <code>arr</code> is not null, then <code>arr</code>, otherwise array created by this method </dl>    </td>
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<a name="dbCursor_3_01Sequencer_01_4a33" doxytag="dbAnyCursor::unfreeze"></a><p>
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          <td class="md" nowrap valign="top"> void dbAnyCursor::unfreeze </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></td>
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<p>
Unfreeze cursor. This method starts new transaction and restore state of the cursor     </td>
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<a name="dbCursor_3_01Sequencer_01_4a27" doxytag="dbAnyCursor::unsetSelectionLimit"></a><p>
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          <td class="md" nowrap valign="top"> void dbAnyCursor::unsetSelectionLimit </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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    </td>
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<p>
Remove selection limit     </td>
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<a name="dbCursor_3_01Sequencer_01_4a23" doxytag="dbAnyCursor::update"></a><p>
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          <td class="md" nowrap valign="top"> void dbAnyCursor::update </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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    </td>
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<p>
Update current record. You should changed value of current record before and then call update method to save changes to the database     </td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="cursor_8h-source.html">cursor.h</a></ul>
<hr><address align="right"><small>Generated on Fri Nov 15 21:06:29 2002 for FastDB by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border=0 
width=110 height=53></a>1.2.15 </small></address>
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