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A C++ DAL / ORM code generation framework
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Adding doxygen docs (for those w/out doxygen)
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Updated and added to documentation
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documentation edits
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Adding doxygen docs (for those w/out doxygen)
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  1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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  100. <h1>src/sql/wsqlresult.cpp</h1>  </div>
  101. </div>
  102. <div class="contents">
  103. <a href="wsqlresult_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
  104. <a name="l00002"></a>00002 <span class="comment"> *    WORM - a DAL/ORM code generation framework</span>
  105. <a name="l00003"></a>00003 <span class="comment"> *    Copyright (C) 2011  Erik Winn &lt;erikwinnmail@yahoo.com&gt;</span>
  106. <a name="l00004"></a>00004 <span class="comment"> * </span>
  107. <a name="l00005"></a>00005 <span class="comment"> *    This program is free software: you can redistribute it and/or modify</span>
  108. <a name="l00006"></a>00006 <span class="comment"> *    it under the terms of the GNU General Public License as published by</span>
  109. <a name="l00007"></a>00007 <span class="comment"> *    the Free Software Foundation, either version 3 of the License, or</span>
  110. <a name="l00008"></a>00008 <span class="comment"> *    (at your option) any later version.</span>
  111. <a name="l00009"></a>00009 <span class="comment"> * </span>
  112. <a name="l00010"></a>00010 <span class="comment"> *    This program is distributed in the hope that it will be useful,</span>
  113. <a name="l00011"></a>00011 <span class="comment"> *    but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
  114. <a name="l00012"></a>00012 <span class="comment"> *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
  115. <a name="l00013"></a>00013 <span class="comment"> *    GNU General Public License for more details.</span>
  116. <a name="l00014"></a>00014 <span class="comment"> * </span>
  117. <a name="l00015"></a>00015 <span class="comment"> *    You should have received a copy of the GNU General Public License</span>
  118. <a name="l00016"></a>00016 <span class="comment"> *    along with this program.  If not, see &lt;http://www.gnu.org/licenses/&gt;.</span>
  119. <a name="l00017"></a>00017 <span class="comment"> */</span>
  120. <a name="l00018"></a>00018 
  121. <a name="l00019"></a>00019 <span class="preprocessor">#include &quot;<a class="code" href="wsqlresult_8h.html">wsqlresult.h</a>&quot;</span>
  122. <a name="l00020"></a>00020 
  123. <a name="l00021"></a>00021 <span class="keyword">namespace </span>WSql {
  124. <a name="l00022"></a>00022 
  125. <a name="l00067"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#aad78a7cb767d84420c9db5e44e2de1c8">00067</a> <a class="code" href="class_w_sql_1_1_w_sql_result.html#aad78a7cb767d84420c9db5e44e2de1c8">WSqlResult::WSqlResult</a>(<span class="keyword">const</span> <a class="code" href="class_w_sql_1_1_w_sql_driver.html" title="The WSqlDriver class is an abstract base class for database drivers.">WSqlDriver</a> *driver)
  126. <a name="l00068"></a>00068 {
  127. <a name="l00069"></a>00069     <a class="code" href="class_w_sql_1_1_w_sql_result.html#a7a0222d684435594080310cb10de98cb">_driver</a> = driver;
  128. <a name="l00070"></a>00070     <a class="code" href="class_w_sql_1_1_w_sql_result.html#a32a8ae504d12027208ac94df55bfd1ba">_isCached</a>=<span class="keyword">true</span>;
  129. <a name="l00071"></a>00071     _isValid = <span class="keyword">false</span>;  <span class="comment">// this should be set by the driver after initializing.</span>
  130. <a name="l00072"></a>00072     <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a> = <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.begin();
  131. <a name="l00073"></a>00073 }
  132. <a name="l00074"></a>00074 
  133. <a name="l00075"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#a6d4882e6cfec6a51c75e939a2596f835">00075</a> <a class="code" href="class_w_sql_1_1_w_sql_result.html#aad78a7cb767d84420c9db5e44e2de1c8">WSqlResult::WSqlResult</a>( <span class="keyword">const</span> <a class="code" href="class_w_sql_1_1_w_sql_result.html" title="The WSqlResult class provides a representation of the result set from a query.">WSqlResult</a>&amp; other )
  134. <a name="l00076"></a>00076 {
  135. <a name="l00077"></a>00077     <a class="code" href="class_w_sql_1_1_w_sql_result.html#a7a0222d684435594080310cb10de98cb">_driver</a> = other.<a class="code" href="class_w_sql_1_1_w_sql_result.html#a7a0222d684435594080310cb10de98cb">_driver</a>;
  136. <a name="l00078"></a>00078     <a class="code" href="class_w_sql_1_1_w_sql_result.html#a32a8ae504d12027208ac94df55bfd1ba">_isCached</a> = other.<a class="code" href="class_w_sql_1_1_w_sql_result.html#a32a8ae504d12027208ac94df55bfd1ba">_isCached</a>;
  137. <a name="l00079"></a>00079     _isValid = other._isValid;
  138. <a name="l00080"></a>00080     <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a> = other.<a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>;
  139. <a name="l00081"></a>00081     <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a> = other.<a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>;
  140. <a name="l00082"></a>00082 }
  141. <a name="l00083"></a>00083 
  142. <a name="l00084"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#ae7d7ae45e51172de5f32a510831d1edd">00084</a> <a class="code" href="class_w_sql_1_1_w_sql_result.html" title="The WSqlResult class provides a representation of the result set from a query.">WSqlResult</a>&amp; <a class="code" href="class_w_sql_1_1_w_sql_result.html#ae7d7ae45e51172de5f32a510831d1edd">WSqlResult::operator=</a>( <span class="keyword">const</span> <a class="code" href="class_w_sql_1_1_w_sql_result.html" title="The WSqlResult class provides a representation of the result set from a query.">WSql::WSqlResult</a>&amp; other )
  143. <a name="l00085"></a>00085 {
  144. <a name="l00086"></a>00086     <a class="code" href="class_w_sql_1_1_w_sql_result.html#a7a0222d684435594080310cb10de98cb">_driver</a> = other.<a class="code" href="class_w_sql_1_1_w_sql_result.html#a7a0222d684435594080310cb10de98cb">_driver</a>;
  145. <a name="l00087"></a>00087     <a class="code" href="class_w_sql_1_1_w_sql_result.html#a32a8ae504d12027208ac94df55bfd1ba">_isCached</a> = other.<a class="code" href="class_w_sql_1_1_w_sql_result.html#a32a8ae504d12027208ac94df55bfd1ba">_isCached</a>;
  146. <a name="l00088"></a>00088     _isValid = other._isValid;
  147. <a name="l00089"></a>00089     <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a> = other.<a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>;
  148. <a name="l00090"></a>00090     <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a> = other.<a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>;
  149. <a name="l00091"></a>00091     <span class="keywordflow">return</span> *<span class="keyword">this</span>;
  150. <a name="l00092"></a>00092 }
  151. <a name="l00093"></a>00093 
  152. <a name="l00097"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#aa3fdec26e615c2f137d32b6b6f041973">00097</a> <a class="code" href="class_w_sql_1_1_w_sql_result.html#aa3fdec26e615c2f137d32b6b6f041973">WSqlResult::~WSqlResult</a>()
  153. <a name="l00098"></a>00098 {
  154. <a name="l00099"></a>00099     <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.clear();
  155. <a name="l00100"></a>00100 }
  156. <a name="l00101"></a>00101 
  157. <a name="l00152"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#a3d5b17315cfcb11334e51d9e9a482376">00152</a> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a3d5b17315cfcb11334e51d9e9a482376">WSqlResult::current</a>()
  158. <a name="l00153"></a>00153 {
  159. <a name="l00154"></a>00154     <span class="keywordflow">if</span>(<a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.end() != <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>)
  160. <a name="l00155"></a>00155         <span class="keywordflow">return</span> *<a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>;
  161. <a name="l00156"></a>00156     <span class="keywordflow">else</span>
  162. <a name="l00157"></a>00157         <span class="keywordflow">return</span> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a>(); 
  163. <a name="l00158"></a>00158 }
  164. <a name="l00159"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#a48916b12682b6ae38592ec316410be48">00159</a> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a48916b12682b6ae38592ec316410be48">WSqlResult::fetch</a>(<span class="keywordtype">int</span> pos)
  165. <a name="l00160"></a>00160 {
  166. <a name="l00161"></a>00161     <span class="keywordtype">int</span> sz = <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.size();
  167. <a name="l00162"></a>00162     <span class="keywordflow">if</span> ( !sz || pos &lt; 0 || pos +1 &gt; sz || !<a class="code" href="class_w_sql_1_1_w_sql_result.html#a072ee774635213477bbf28e7f8e1b8ae">seek</a>(pos, <span class="keyword">false</span>) )
  168. <a name="l00163"></a>00163         <span class="keywordflow">return</span> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a>();
  169. <a name="l00164"></a>00164     <span class="keywordflow">return</span> *<a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>;
  170. <a name="l00165"></a>00165 }
  171. <a name="l00166"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#a85cc6e2cb40f959c2ff2f725356ef5c6">00166</a> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a85cc6e2cb40f959c2ff2f725356ef5c6">WSqlResult::fetchFirst</a>()
  172. <a name="l00167"></a>00167 {
  173. <a name="l00168"></a>00168     <span class="keywordflow">if</span>(<a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.empty() || !<a class="code" href="class_w_sql_1_1_w_sql_result.html#a8184270fb1e2c46da91a531cc2f7ae4c">first</a>())
  174. <a name="l00169"></a>00169         <span class="keywordflow">return</span> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a>();
  175. <a name="l00170"></a>00170     <span class="keywordflow">return</span> *<a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>;
  176. <a name="l00171"></a>00171 }
  177. <a name="l00172"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#a4e1fafc5d56111d8df6d7294f41b3786">00172</a> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a4e1fafc5d56111d8df6d7294f41b3786">WSqlResult::fetchLast</a>()
  178. <a name="l00173"></a>00173 {
  179. <a name="l00174"></a>00174     <span class="keywordflow">if</span>(<a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.empty() || !<a class="code" href="class_w_sql_1_1_w_sql_result.html#a9fb1770479bf8cb74271c48ca201ae01">last</a>())
  180. <a name="l00175"></a>00175         <span class="keywordflow">return</span> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a>();
  181. <a name="l00176"></a>00176     <span class="keywordflow">return</span> *<a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>;
  182. <a name="l00177"></a>00177 }
  183. <a name="l00178"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#a0c775e8f12c31e876d30d77aeeeeb898">00178</a> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a0c775e8f12c31e876d30d77aeeeeb898">WSqlResult::fetchNext</a>()
  184. <a name="l00179"></a>00179 {
  185. <a name="l00180"></a>00180     <span class="keywordflow">if</span>(<a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.empty() || !<a class="code" href="class_w_sql_1_1_w_sql_result.html#aa514001519eee422e58a0fa9f08b4496">next</a>())
  186. <a name="l00181"></a>00181         <span class="keywordflow">return</span> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a>();
  187. <a name="l00182"></a>00182     <span class="keywordflow">return</span> *<a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>;
  188. <a name="l00183"></a>00183 }
  189. <a name="l00184"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#a176ef9f17eafe103343373eed8da76d4">00184</a> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a176ef9f17eafe103343373eed8da76d4">WSqlResult::fetchPrevious</a>()
  190. <a name="l00185"></a>00185 {
  191. <a name="l00186"></a>00186     <span class="keywordflow">if</span>(<a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.empty() || !<a class="code" href="class_w_sql_1_1_w_sql_result.html#af5607fd996fcc0d750730a0777b0a8dc">previous</a>())
  192. <a name="l00187"></a>00187         <span class="keywordflow">return</span> <a class="code" href="class_w_sql_1_1_w_sql_record.html" title="The WSqlRecord class represents a database record.">WSqlRecord</a>();
  193. <a name="l00188"></a>00188     <span class="keywordflow">return</span> *<a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>;
  194. <a name="l00189"></a>00189 }
  195. <a name="l00190"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#a8184270fb1e2c46da91a531cc2f7ae4c">00190</a> <span class="keywordtype">bool</span> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a8184270fb1e2c46da91a531cc2f7ae4c">WSqlResult::first</a>()
  196. <a name="l00191"></a>00191 {
  197. <a name="l00192"></a>00192     <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a> = <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.begin();
  198. <a name="l00193"></a>00193     <span class="keywordflow">return</span> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.end() != <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>;
  199. <a name="l00194"></a>00194 }
  200. <a name="l00195"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#a9fb1770479bf8cb74271c48ca201ae01">00195</a> <span class="keywordtype">bool</span> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9fb1770479bf8cb74271c48ca201ae01">WSqlResult::last</a>()
  201. <a name="l00196"></a>00196 {
  202. <a name="l00197"></a>00197     <span class="keywordflow">if</span>(<a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.empty())
  203. <a name="l00198"></a>00198         <span class="keywordflow">return</span> <span class="keyword">false</span>;
  204. <a name="l00199"></a>00199     <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a> = <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.end();
  205. <a name="l00200"></a>00200     <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>--;
  206. <a name="l00201"></a>00201     <span class="keywordflow">return</span> <span class="keyword">true</span>;
  207. <a name="l00202"></a>00202 }
  208. <a name="l00203"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#aa514001519eee422e58a0fa9f08b4496">00203</a> <span class="keywordtype">bool</span> <a class="code" href="class_w_sql_1_1_w_sql_result.html#aa514001519eee422e58a0fa9f08b4496">WSqlResult::next</a>()
  209. <a name="l00204"></a>00204 {
  210. <a name="l00205"></a>00205     <span class="keywordflow">return</span> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a072ee774635213477bbf28e7f8e1b8ae">seek</a>(1,<span class="keyword">true</span>); 
  211. <a name="l00206"></a>00206 }
  212. <a name="l00207"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#af5607fd996fcc0d750730a0777b0a8dc">00207</a> <span class="keywordtype">bool</span> <a class="code" href="class_w_sql_1_1_w_sql_result.html#af5607fd996fcc0d750730a0777b0a8dc">WSqlResult::previous</a>()
  213. <a name="l00208"></a>00208 {
  214. <a name="l00209"></a>00209     <span class="keywordflow">return</span> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a072ee774635213477bbf28e7f8e1b8ae">seek</a>(-1, <span class="keyword">true</span>);
  215. <a name="l00210"></a>00210 }
  216. <a name="l00211"></a>00211 
  217. <a name="l00213"></a><a class="code" href="class_w_sql_1_1_w_sql_result.html#a072ee774635213477bbf28e7f8e1b8ae">00213</a> <span class="keywordtype">bool</span> <a class="code" href="class_w_sql_1_1_w_sql_result.html#a072ee774635213477bbf28e7f8e1b8ae">WSqlResult::seek</a>( <span class="keywordtype">int</span> pos, <span class="keywordtype">bool</span> relative )
  218. <a name="l00214"></a>00214 {
  219. <a name="l00215"></a>00215     <span class="keywordtype">long</span> curpos = (<a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a> - <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.begin());
  220. <a name="l00216"></a>00216     <span class="keywordtype">int</span> max = <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.size() - 1;
  221. <a name="l00217"></a>00217     <span class="keywordflow">if</span>(pos &lt; 0 || pos &gt; max)
  222. <a name="l00218"></a>00218         <span class="keywordflow">return</span> <span class="keyword">false</span>;
  223. <a name="l00219"></a>00219     <span class="keywordflow">if</span>(relative)
  224. <a name="l00220"></a>00220     {
  225. <a name="l00221"></a>00221         <span class="keywordflow">if</span>(curpos + pos &gt; max)
  226. <a name="l00222"></a>00222             <span class="keywordflow">return</span> <span class="keyword">false</span>;
  227. <a name="l00223"></a>00223     }<span class="keywordflow">else</span>{
  228. <a name="l00224"></a>00224         <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a> = <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.begin();
  229. <a name="l00225"></a>00225     }
  230. <a name="l00226"></a>00226     <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a> += pos;
  231. <a name="l00227"></a>00227     <span class="keywordflow">return</span> <span class="keyword">true</span>;
  232. <a name="l00228"></a>00228 }
  233. <a name="l00229"></a>00229 
  234. <a name="l00230"></a>00230 } <span class="comment">//namespace WSql</span>
  235. </pre></div></div>
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