classdbtabledescriptor.html

FastDb是高效的内存数据库系统

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          <td class="md" nowrap><code> [inline]</code></td>
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Get table name.     </td>
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<a class="anchor" name="dbTableDescriptora4" doxytag="dbTableDescriptor::getNextField" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* dbTableDescriptor::getNextField </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbFieldDescriptor.html">dbFieldDescriptor</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>field</em>          </td>
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          <td class="md" nowrap><code> [inline]</code></td>
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Get next field <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign=top><em>field</em>&nbsp;</td><td>current field </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd>next field after the current in table fields list </dd></dl>
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<a class="anchor" name="dbTableDescriptora0" doxytag="dbTableDescriptor::getNextTable" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classdbTableDescriptor.html">dbTableDescriptor</a>* dbTableDescriptor::getNextTable </td>
          <td class="md" valign="top">(&nbsp;</td>
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          <td class="md" nowrap><code> [inline]</code></td>
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Get next table in database     </td>
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<a class="anchor" name="dbTableDescriptora8" doxytag="dbTableDescriptor::match" ></a><p>
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          <td class="md" nowrap valign="top"> bool dbTableDescriptor::match </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbTable.html">dbTable</a> *&nbsp;</td>
          <td class="mdname" nowrap> <em>table</em>, </td>
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          <td class="md" nowrap>bool&nbsp;</td>
          <td class="mdname" nowrap> <em>confirmDeleteColumns</em></td>
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Check whether fprmats of table descriptor in the database and in application is compatible. This method also prepares information for performing conversion of record to new format <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign=top><em>table</em>&nbsp;</td><td>database table descriptor </td></tr>
    <tr><td valign=top><em>confirmDeleteColumns</em>&nbsp;</td><td>whether deletion of columns in allowed from non empty table </td></tr>
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<dl compact><dt><b>Returns:</b></dt><dd><code>true</code> if no reformatting is needed </dd></dl>
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<a class="anchor" name="dbTableDescriptora6" doxytag="dbTableDescriptor::setFlags" ></a><p>
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          <td class="md" nowrap valign="top"> void dbTableDescriptor::setFlags </td>
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Set fields flags. This method is called after loading table descriptor from database.     </td>
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<a class="anchor" name="dbTableDescriptora11" doxytag="dbTableDescriptor::storeInDatabase" ></a><p>
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          <td class="md" nowrap valign="top"> void dbTableDescriptor::storeInDatabase </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top"><a class="el" href="classdbTable.html">dbTable</a> *&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>table</em>          </td>
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Save table descriptor in the database. <dl compact><dt><b>Parameters:</b></dt><dd>
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    <tr><td valign=top><em>table</em>&nbsp;</td><td>place where to store table descriptor </td></tr>
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<a class="anchor" name="dbTableDescriptorb1" doxytag="dbTableDescriptor::totalNamesLength" ></a><p>
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          <td class="md" nowrap valign="top"> size_t dbTableDescriptor::totalNamesLength </td>
          <td class="md" valign="top">(&nbsp;</td>
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          <td class="md" nowrap><code> [protected]</code></td>
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Calculate total length of all names in table descriptor     </td>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="dbTableDescriptorp13" doxytag="dbTableDescriptor::appSize" ></a><p>
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          <td class="md" nowrap valign="top"> size_t <a class="el" href="classdbTableDescriptor.html#dbTableDescriptorp13">dbTableDescriptor::appSize</a><code> [protected]</code>
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Size of tghe correspondent applciation object     </td>
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<a class="anchor" name="dbTableDescriptorp17" doxytag="dbTableDescriptor::autoincrementCount" ></a><p>
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          <td class="md" nowrap valign="top"> int4 <a class="el" href="classdbTableDescriptor.html#dbTableDescriptorp17">dbTableDescriptor::autoincrementCount</a><code> [protected]</code>
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Autoincremented counter for this table     </td>
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<a class="anchor" name="dbTableDescriptorp18" doxytag="dbTableDescriptor::cloneOf" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classdbTableDescriptor.html">dbTableDescriptor</a>* <a class="el" href="classdbTableDescriptor.html#dbTableDescriptorp18">dbTableDescriptor::cloneOf</a><code> [protected]</code>
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When unassigned table descriptor is explicitly assigned to the database, new clone of descriptor is created and <code>cloneOf</code> field of this descriptor referes to original table descriptor.     </td>
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<a class="anchor" name="dbTableDescriptorp4" doxytag="dbTableDescriptor::columns" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* <a class="el" href="classdbTableDescriptor.html#dbTableDescriptorp4">dbTableDescriptor::columns</a><code> [protected]</code>
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List of table columns     </td>
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<a class="anchor" name="dbTableDescriptorp10" doxytag="dbTableDescriptor::db" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classdbDatabase.html">dbDatabase</a>* <a class="el" href="classdbTableDescriptor.html#dbTableDescriptorp10">dbTableDescriptor::db</a><code> [protected]</code>
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Attached database     </td>
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<a class="anchor" name="dbTableDescriptorp8" doxytag="dbTableDescriptor::firstField" ></a><p>
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