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<div id="projectname">WORM <span id="projectnumber">0.2</span></div>
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<div id="projectbrief">A C++ DAL/ORM code generation framework</div>
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<h1>src/sql/wsqlresult.cpp</h1> </div>
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<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>
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<a name="l00002"></a>00002 <span class="comment"> * WORM - a DAL/ORM code generation framework</span>
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<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2011 Erik Winn <erikwinnmail@yahoo.com></span>
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<a name="l00004"></a>00004 <span class="comment"> * </span>
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<a name="l00005"></a>00005 <span class="comment"> * This program is free software: you can redistribute it and/or modify</span>
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<a name="l00006"></a>00006 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
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<a name="l00007"></a>00007 <span class="comment"> * the Free Software Foundation, either version 3 of the License, or</span>
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<a name="l00008"></a>00008 <span class="comment"> * (at your option) any later version.</span>
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<a name="l00009"></a>00009 <span class="comment"> * </span>
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<a name="l00010"></a>00010 <span class="comment"> * This program is distributed in the hope that it will be useful,</span>
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<a name="l00011"></a>00011 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
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<a name="l00012"></a>00012 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
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<a name="l00013"></a>00013 <span class="comment"> * GNU General Public License for more details.</span>
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<a name="l00014"></a>00014 <span class="comment"> * </span>
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<a name="l00015"></a>00015 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
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<a name="l00016"></a>00016 <span class="comment"> * along with this program. If not, see <http://www.gnu.org/licenses/>.</span>
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<a name="l00017"></a>00017 <span class="comment"> */</span>
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<a name="l00018"></a>00018
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<a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="wsqlresult_8h.html">wsqlresult.h</a>"</span>
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<a name="l00020"></a>00020
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<a name="l00021"></a>00021 <span class="keyword">namespace </span>WSql {
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<a name="l00022"></a>00022
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<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)
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<a name="l00068"></a>00068 {
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<a name="l00069"></a>00069 <a class="code" href="class_w_sql_1_1_w_sql_result.html#a7a0222d684435594080310cb10de98cb">_driver</a> = driver;
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<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>;
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<a name="l00071"></a>00071 _isValid = <span class="keyword">false</span>; <span class="comment">// this should be set by the driver after initializing.</span>
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<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();
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<a name="l00073"></a>00073 }
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<a name="l00074"></a>00074
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<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>& other )
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<a name="l00076"></a>00076 {
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<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>;
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<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>;
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<a name="l00079"></a>00079 _isValid = other._isValid;
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<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>;
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<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>;
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<a name="l00082"></a>00082 }
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<a name="l00083"></a>00083
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<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>& <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>& other )
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<a name="l00085"></a>00085 {
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<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>;
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<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>;
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<a name="l00088"></a>00088 _isValid = other._isValid;
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<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>;
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<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>;
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<a name="l00091"></a>00091 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
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<a name="l00092"></a>00092 }
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<a name="l00093"></a>00093
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<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>()
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<a name="l00098"></a>00098 {
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<a name="l00099"></a>00099 <a class="code" href="class_w_sql_1_1_w_sql_result.html#a9e48004ab255ca6b35f6751079a04453">_records</a>.clear();
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<a name="l00100"></a>00100 }
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<a name="l00101"></a>00101
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<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>()
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<a name="l00153"></a>00153 {
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<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>)
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<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>;
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<a name="l00156"></a>00156 <span class="keywordflow">else</span>
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<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>();
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<a name="l00158"></a>00158 }
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<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)
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<a name="l00160"></a>00160 {
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<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();
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<a name="l00162"></a>00162 <span class="keywordflow">if</span> ( !sz || pos < 0 || pos +1 > sz || !<a class="code" href="class_w_sql_1_1_w_sql_result.html#a072ee774635213477bbf28e7f8e1b8ae">seek</a>(pos, <span class="keyword">false</span>) )
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<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>();
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<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>;
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<a name="l00165"></a>00165 }
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<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>()
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<a name="l00167"></a>00167 {
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<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>())
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<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>();
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<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>;
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<a name="l00171"></a>00171 }
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<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>()
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<a name="l00173"></a>00173 {
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<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>())
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<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>();
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<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>;
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<a name="l00177"></a>00177 }
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<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>()
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<a name="l00179"></a>00179 {
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<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>())
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<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>();
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<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>;
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<a name="l00183"></a>00183 }
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<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>()
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<a name="l00185"></a>00185 {
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<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>())
|
|
<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>();
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<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>;
|
|
<a name="l00189"></a>00189 }
|
|
<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>()
|
|
<a name="l00191"></a>00191 {
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|
<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();
|
|
<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>;
|
|
<a name="l00194"></a>00194 }
|
|
<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>()
|
|
<a name="l00196"></a>00196 {
|
|
<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())
|
|
<a name="l00198"></a>00198 <span class="keywordflow">return</span> <span class="keyword">false</span>;
|
|
<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();
|
|
<a name="l00200"></a>00200 <a class="code" href="class_w_sql_1_1_w_sql_result.html#af4e2f5e7c82cacccd37d642f7e504c71">const_cur_record_it</a>--;
|
|
<a name="l00201"></a>00201 <span class="keywordflow">return</span> <span class="keyword">true</span>;
|
|
<a name="l00202"></a>00202 }
|
|
<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>()
|
|
<a name="l00204"></a>00204 {
|
|
<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>);
|
|
<a name="l00206"></a>00206 }
|
|
<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>()
|
|
<a name="l00208"></a>00208 {
|
|
<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>);
|
|
<a name="l00210"></a>00210 }
|
|
<a name="l00211"></a>00211
|
|
<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 )
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|
<a name="l00214"></a>00214 {
|
|
<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());
|
|
<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;
|
|
<a name="l00217"></a>00217 <span class="keywordflow">if</span>(pos < 0 || pos > max)
|
|
<a name="l00218"></a>00218 <span class="keywordflow">return</span> <span class="keyword">false</span>;
|
|
<a name="l00219"></a>00219 <span class="keywordflow">if</span>(relative)
|
|
<a name="l00220"></a>00220 {
|
|
<a name="l00221"></a>00221 <span class="keywordflow">if</span>(curpos + pos > max)
|
|
<a name="l00222"></a>00222 <span class="keywordflow">return</span> <span class="keyword">false</span>;
|
|
<a name="l00223"></a>00223 }<span class="keywordflow">else</span>{
|
|
<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();
|
|
<a name="l00225"></a>00225 }
|
|
<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;
|
|
<a name="l00227"></a>00227 <span class="keywordflow">return</span> <span class="keyword">true</span>;
|
|
<a name="l00228"></a>00228 }
|
|
<a name="l00229"></a>00229
|
|
<a name="l00230"></a>00230 } <span class="comment">//namespace WSql</span>
|
|
</pre></div></div>
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</div>
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