classdbcursor.html

FastDb是高效的内存数据库系统

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          <td class="md" nowrap valign="top"> T* <a class="el" href="classdbCursor.html">dbCursor</a>&lt; T &gt;::prev </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
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Get previous record <dl compact><dt><b>Returns:</b></dt><dd>pointer to the previous record or <code>NULL</code> if there is no previous record </dd></dl>
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<a class="anchor" name="dbCursor_3_01Sequencer_01_4a15" doxytag="dbCursor::remove" ></a><p>
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          <td class="md" nowrap valign="top"> void dbAnyCursor::remove </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inherited]</code></td>
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Remove current record     </td>
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<a class="anchor" name="dbCursor_3_01Sequencer_01_4a30" doxytag="dbCursor::removeAll" ></a><p>
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          <td class="md" nowrap valign="top"> void dbAnyCursor::removeAll </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inline, inherited]</code></td>
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<p>
Remove all records in the table     </td>
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<a class="anchor" name="dbCursor_3_01Sequencer_01_4a31" doxytag="dbCursor::removeAllSelected" ></a><p>
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          <td class="md" nowrap valign="top"> void dbAnyCursor::removeAllSelected </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inherited]</code></td>
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Remove all selected records     </td>
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<a class="anchor" name="dbCursor_3_01Sequencer_01_4a35" doxytag="dbCursor::reset" ></a><p>
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          <td class="md" nowrap valign="top"> void dbAnyCursor::reset </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inherited]</code></td>
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<p>
Reset cursor 
<p>
Reimplemented from <a class="el" href="classdbL2List.html">dbL2List</a>.    </td>
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<a class="anchor" name="dbCursor_3_01Sequencer_01_4a41" doxytag="dbCursor::seek" ></a><p>
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          <td class="md" nowrap valign="top"> int dbAnyCursor::seek </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">oid_t&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>oid</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inherited]</code></td>
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<p>
Position cursor on the record with the specified OID <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign=top><em>oid</em>&nbsp;</td><td>object identifier of record </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>poistion of the record in the selection or -1 if record with such OID is not in selection </dd></dl>
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<a class="anchor" name="dbCursora7" doxytag="dbCursor::seek" ></a><p>
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template&lt;class T&gt; </td>
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          <td class="md" nowrap valign="top"> int <a class="el" href="classdbCursor.html">dbCursor</a>&lt; T &gt;::seek </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> <em>ref</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inline]</code></td>
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Position cursor on the record with the specified OID <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 object </td></tr>
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</dl>
<dl compact><dt><b>Returns:</b></dt><dd>poistion of the record in the selection or -1 if record with such OID is not in selection </dd></dl>
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<a class="anchor" name="dbCursor_3_01Sequencer_01_4a26" doxytag="dbCursor::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="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inline, inherited]</code></td>
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<p>
Select all records from the table with default cursor type <dl compact><dt><b>Returns:</b></dt><dd>number of selected records </dd></dl>
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<a class="anchor" name="dbCursor_3_01Sequencer_01_4a25" doxytag="dbCursor::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">dbCursorType&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>aType</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap><code> [inline, inherited]</code></td>
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Select all records from the table <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign=top><em>aType</em>&nbsp;</td><td>cursor type: <code>dbCursorForUpdate, dbCursorViewOnly</code> </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>number of selected records </dd></dl>
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<a class="anchor" name="dbCursor_3_01Sequencer_01_4a24" doxytag="dbCursor::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">char const *&nbsp;</td>
          <td class="mdname" nowrap> <em>condition</em>, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap>void *&nbsp;</td>
          <td class="mdname" nowrap> <em>paramStruct</em> = NULL</td>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [inline, inherited]</code></td>
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<p>
Execute query with default cursor type. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign=top><em>condition</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>