classdbtabledescriptor.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 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><dl compact><dt><b>Returns: </b></dt><dd>
next field after the current in table fields list </dl>    </td>
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<a name="dbTableDescriptora0" doxytag="dbTableDescriptor::getNextTable"></a><p>
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          <td class="md" nowrap valign="top"> dbTableDescriptor* dbTableDescriptor::getNextTable </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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Get next table in database     </td>
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<a name="dbTableDescriptora10" 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>&nbsp; <em>table</em>, </td>
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          <td></td>
          <td></td>
          <td class="md" nowrap>bool&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>confirmDeleteColumns</em></td>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></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><dl compact><dt><b>Returns: </b></dt><dd>
<code>true</code> if no reformatting is needed </dl>    </td>
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<a name="dbTableDescriptora8" doxytag="dbTableDescriptor::setFlags"></a><p>
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          <td class="md" nowrap valign="top"> void dbTableDescriptor::setFlags </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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Set fields flags. This method is called after loading table descriptor from database.     </td>
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<a name="dbTableDescriptora7" doxytag="dbTableDescriptor::size"></a><p>
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          <td class="md" nowrap valign="top"> size_t dbTableDescriptor::size </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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Get size of instance of the class in an application     </td>
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<a name="dbTableDescriptora13" 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>&nbsp; <em>table</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap></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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</dl>    </td>
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<a 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>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <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 name="dbTableDescriptorn13" doxytag="dbTableDescriptor::appSize"></a><p>
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          <td class="md" nowrap valign="top"> size_t dbTableDescriptor::appSize<code> [protected]</code>
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Size of tghe correspondent applciation object     </td>
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<a name="dbTableDescriptorn17" doxytag="dbTableDescriptor::autoincrementCount"></a><p>
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          <td class="md" nowrap valign="top"> int4 dbTableDescriptor::autoincrementCount<code> [protected]</code>
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Autoincremented counter for this table     </td>
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<a name="dbTableDescriptorn18" doxytag="dbTableDescriptor::cloneOf"></a><p>
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          <td class="md" nowrap valign="top"> dbTableDescriptor* dbTableDescriptor::cloneOf<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 name="dbTableDescriptorn4" doxytag="dbTableDescriptor::columns"></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* dbTableDescriptor::columns<code> [protected]</code>
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List of table columns     </td>
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<a name="dbTableDescriptorn10" doxytag="dbTableDescriptor::db"></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classdbDatabase.html">dbDatabase</a>* dbTableDescriptor::db<code> [protected]</code>
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Attached database     </td>
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<a name="dbTableDescriptorn8" doxytag="dbTableDescriptor::firstField"></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classdbFieldDescriptor.html">dbFieldDescriptor</a>* dbTableDescriptor::firstField<code> [protected]</code>
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