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doctrine2/api_documentation/trunk/__filesource/fsource_Doctrine__DoctrineExpressionDriver.php.html
2007-08-31 23:05:18 +00:00

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<div id="content">
<h1 align="center">Source for file Driver.php</h1>
<p>Documentation is available at <a href="../Doctrine/_Doctrine---Expression---Driver.php.html">Driver.php</a></p>
<div class="src-code"><span class="php">
<ol><li><div class="src-line"><a name="a1"></a><span class="src-php">&lt;?php</span></div></li>
<li><div class="src-line"><a name="a2"></a><span class="src-comm">/*</span></div></li>
<li><div class="src-line"><a name="a3"></a><span class="src-comm">&nbsp;*&nbsp;&nbsp;$Id$</span></div></li>
<li><div class="src-line"><a name="a4"></a><span class="src-comm">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a5"></a><span class="src-comm">&nbsp;*&nbsp;THIS&nbsp;SOFTWARE&nbsp;IS&nbsp;PROVIDED&nbsp;BY&nbsp;THE&nbsp;COPYRIGHT&nbsp;HOLDERS&nbsp;AND&nbsp;CONTRIBUTORS</span></div></li>
<li><div class="src-line"><a name="a6"></a><span class="src-comm">&nbsp;*&nbsp;&quot;AS&nbsp;IS&quot;&nbsp;AND&nbsp;ANY&nbsp;EXPRESS&nbsp;OR&nbsp;IMPLIED&nbsp;WARRANTIES,&nbsp;INCLUDING,&nbsp;BUT&nbsp;NOT</span></div></li>
<li><div class="src-line"><a name="a7"></a><span class="src-comm">&nbsp;*&nbsp;LIMITED&nbsp;TO,&nbsp;THE&nbsp;IMPLIED&nbsp;WARRANTIES&nbsp;OF&nbsp;MERCHANTABILITY&nbsp;AND&nbsp;FITNESS&nbsp;FOR</span></div></li>
<li><div class="src-line"><a name="a8"></a><span class="src-comm">&nbsp;*&nbsp;A&nbsp;PARTICULAR&nbsp;PURPOSE&nbsp;ARE&nbsp;DISCLAIMED.&nbsp;IN&nbsp;NO&nbsp;EVENT&nbsp;SHALL&nbsp;THE&nbsp;COPYRIGHT</span></div></li>
<li><div class="src-line"><a name="a9"></a><span class="src-comm">&nbsp;*&nbsp;OWNER&nbsp;OR&nbsp;CONTRIBUTORS&nbsp;BE&nbsp;LIABLE&nbsp;FOR&nbsp;ANY&nbsp;DIRECT,&nbsp;INDIRECT,&nbsp;INCIDENTAL,</span></div></li>
<li><div class="src-line"><a name="a10"></a><span class="src-comm">&nbsp;*&nbsp;SPECIAL,&nbsp;EXEMPLARY,&nbsp;OR&nbsp;CONSEQUENTIAL&nbsp;DAMAGES&nbsp;(INCLUDING,&nbsp;BUT&nbsp;NOT</span></div></li>
<li><div class="src-line"><a name="a11"></a><span class="src-comm">&nbsp;*&nbsp;LIMITED&nbsp;TO,&nbsp;PROCUREMENT&nbsp;OF&nbsp;SUBSTITUTE&nbsp;GOODS&nbsp;OR&nbsp;SERVICES;&nbsp;LOSS&nbsp;OF&nbsp;USE,</span></div></li>
<li><div class="src-line"><a name="a12"></a><span class="src-comm">&nbsp;*&nbsp;DATA,&nbsp;OR&nbsp;PROFITS;&nbsp;OR&nbsp;BUSINESS&nbsp;INTERRUPTION)&nbsp;HOWEVER&nbsp;CAUSED&nbsp;AND&nbsp;ON&nbsp;ANY</span></div></li>
<li><div class="src-line"><a name="a13"></a><span class="src-comm">&nbsp;*&nbsp;THEORY&nbsp;OF&nbsp;LIABILITY,&nbsp;WHETHER&nbsp;IN&nbsp;CONTRACT,&nbsp;STRICT&nbsp;LIABILITY,&nbsp;OR&nbsp;TORT</span></div></li>
<li><div class="src-line"><a name="a14"></a><span class="src-comm">&nbsp;*&nbsp;(INCLUDING&nbsp;NEGLIGENCE&nbsp;OR&nbsp;OTHERWISE)&nbsp;ARISING&nbsp;IN&nbsp;ANY&nbsp;WAY&nbsp;OUT&nbsp;OF&nbsp;THE&nbsp;USE</span></div></li>
<li><div class="src-line"><a name="a15"></a><span class="src-comm">&nbsp;*&nbsp;OF&nbsp;THIS&nbsp;SOFTWARE,&nbsp;EVEN&nbsp;IF&nbsp;ADVISED&nbsp;OF&nbsp;THE&nbsp;POSSIBILITY&nbsp;OF&nbsp;SUCH&nbsp;DAMAGE.</span></div></li>
<li><div class="src-line"><a name="a16"></a><span class="src-comm">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a17"></a><span class="src-comm">&nbsp;*&nbsp;This&nbsp;software&nbsp;consists&nbsp;of&nbsp;voluntary&nbsp;contributions&nbsp;made&nbsp;by&nbsp;many&nbsp;individuals</span></div></li>
<li><div class="src-line"><a name="a18"></a><span class="src-comm">&nbsp;*&nbsp;and&nbsp;is&nbsp;licensed&nbsp;under&nbsp;the&nbsp;LGPL.&nbsp;For&nbsp;more&nbsp;information,&nbsp;see</span></div></li>
<li><div class="src-line"><a name="a19"></a><span class="src-comm">&nbsp;*&nbsp;&lt;http://www.phpdoctrine.com&gt;.</span></div></li>
<li><div class="src-line"><a name="a20"></a><span class="src-comm">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a21"></a><span class="src-id"><a href="../Doctrine/Doctrine.html">Doctrine</a></span><span class="src-sym">::</span><a href="../Doctrine/Doctrine.html#methodautoload">autoload</a><span class="src-sym">(</span><span class="src-str">'Doctrine_Connection_Module'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a22"></a><span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a23"></a><span class="src-doc">&nbsp;*&nbsp;Doctrine_Expression_Driver</span></div></li>
<li><div class="src-line"><a name="a24"></a><span class="src-doc">&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a25"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@package</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Doctrine</span></div></li>
<li><div class="src-line"><a name="a26"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@license</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;http://www.opensource.org/licenses/lgpl-license.php&nbsp;LGPL</span></div></li>
<li><div class="src-line"><a name="a27"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@category</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;Object&nbsp;Relational&nbsp;Mapping</span></div></li>
<li><div class="src-line"><a name="a28"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@link</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;www.phpdoctrine.com</span></div></li>
<li><div class="src-line"><a name="a29"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@since</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.0</span></div></li>
<li><div class="src-line"><a name="a30"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@version</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$Revision$</span></div></li>
<li><div class="src-line"><a name="a31"></a><span class="src-doc">&nbsp;*&nbsp;</span><span class="src-doc-coretag">@author</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Konsta&nbsp;Vesterinen&nbsp;&lt;kvesteri@cc.hut.fi&gt;</span></div></li>
<li><div class="src-line"><a name="a32"></a><span class="src-doc">&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a33"></a><span class="src-key">class&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html">Doctrine_Expression_Driver</a>&nbsp;<span class="src-key">extends&nbsp;</span><a href="../Doctrine/Doctrine_Connection_Module.html">Doctrine_Connection_Module</a></div></li>
<li><div class="src-line"><a name="a34"></a><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a35"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a36"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a37"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$column</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a38"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a39"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifiers">getIdentifiers</a><span class="src-sym">(</span><span class="src-var">$columns</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a40"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a41"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$columns</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a42"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a43"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a44"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;regexp</span></div></li>
<li><div class="src-line"><a name="a45"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;returns&nbsp;the&nbsp;regular&nbsp;expression&nbsp;operator</span></div></li>
<li><div class="src-line"><a name="a46"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a47"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a48"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a49"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodregexp">regexp</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a50"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a51"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../Doctrine/Doctrine_Expression_Exception.html">Doctrine_Expression_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Regular&nbsp;expression&nbsp;operator&nbsp;is&nbsp;not&nbsp;supported&nbsp;by&nbsp;this&nbsp;database&nbsp;driver.'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a52"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a53"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a54"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;average&nbsp;value&nbsp;of&nbsp;a&nbsp;column</span></div></li>
<li><div class="src-line"><a name="a55"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a56"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$column&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;the&nbsp;column&nbsp;to&nbsp;use</span></div></li>
<li><div class="src-line"><a name="a57"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;generated&nbsp;sql&nbsp;including&nbsp;an&nbsp;AVG&nbsp;aggregate&nbsp;function</span></div></li>
<li><div class="src-line"><a name="a58"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a59"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodavg">avg</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a60"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a61"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$column&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a62"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'AVG('&nbsp;</span>.&nbsp;&nbsp;<span class="src-var">$column&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a63"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a64"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a65"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a66"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;number&nbsp;of&nbsp;rows&nbsp;(without&nbsp;a&nbsp;NULL&nbsp;value)&nbsp;of&nbsp;a&nbsp;column</span></div></li>
<li><div class="src-line"><a name="a67"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a68"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;If&nbsp;a&nbsp;'*'&nbsp;is&nbsp;used&nbsp;instead&nbsp;of&nbsp;a&nbsp;column&nbsp;the&nbsp;number&nbsp;of&nbsp;selected&nbsp;rows</span></div></li>
<li><div class="src-line"><a name="a69"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;is&nbsp;returned.</span></div></li>
<li><div class="src-line"><a name="a70"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a71"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">integer</span><span class="src-doc-var">$column&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;the&nbsp;column&nbsp;to&nbsp;use</span></div></li>
<li><div class="src-line"><a name="a72"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;generated&nbsp;sql&nbsp;including&nbsp;a&nbsp;COUNT&nbsp;aggregate&nbsp;function</span></div></li>
<li><div class="src-line"><a name="a73"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a74"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodcount">count</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a75"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a76"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$column&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a77"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'COUNT('&nbsp;</span>.&nbsp;<span class="src-var">$column&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a78"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a79"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a80"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a81"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;highest&nbsp;value&nbsp;of&nbsp;a&nbsp;column</span></div></li>
<li><div class="src-line"><a name="a82"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a83"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$column&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;the&nbsp;column&nbsp;to&nbsp;use</span></div></li>
<li><div class="src-line"><a name="a84"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;generated&nbsp;sql&nbsp;including&nbsp;a&nbsp;MAX&nbsp;aggregate&nbsp;function</span></div></li>
<li><div class="src-line"><a name="a85"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a86"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodmax">max</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a87"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a88"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$column&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a89"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'MAX('&nbsp;</span>.&nbsp;<span class="src-var">$column&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a90"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a91"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a92"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a93"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;lowest&nbsp;value&nbsp;of&nbsp;a&nbsp;column</span></div></li>
<li><div class="src-line"><a name="a94"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a95"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$column&nbsp;</span><span class="src-doc">the&nbsp;column&nbsp;to&nbsp;use</span></div></li>
<li><div class="src-line"><a name="a96"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a97"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a98"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodmin">min</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a99"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a100"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$column&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a101"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'MIN('&nbsp;</span>.&nbsp;<span class="src-var">$column&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a102"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a103"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a104"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a105"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;total&nbsp;sum&nbsp;of&nbsp;a&nbsp;column</span></div></li>
<li><div class="src-line"><a name="a106"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a107"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$column&nbsp;</span><span class="src-doc">the&nbsp;column&nbsp;to&nbsp;use</span></div></li>
<li><div class="src-line"><a name="a108"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a109"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a110"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodsum">sum</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a111"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a112"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$column&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a113"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'SUM('&nbsp;</span>.&nbsp;<span class="src-var">$column&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a114"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a115"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a116"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-comm">//&nbsp;scalar&nbsp;functions</span></div></li>
<li><div class="src-line"><a name="a117"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a118"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a119"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;md5&nbsp;sum&nbsp;of&nbsp;a&nbsp;field.</span></div></li>
<li><div class="src-line"><a name="a120"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a121"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Note:&nbsp;Not&nbsp;SQL92,&nbsp;but&nbsp;common&nbsp;functionality</span></div></li>
<li><div class="src-line"><a name="a122"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a123"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a124"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a125"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodmd5">md5</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a126"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a127"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$column&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a128"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'MD5('&nbsp;</span>.&nbsp;<span class="src-var">$column&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a129"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a130"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a131"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a132"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;length&nbsp;of&nbsp;a&nbsp;text&nbsp;field.</span></div></li>
<li><div class="src-line"><a name="a133"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a134"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$expression1&nbsp;</span></div></li>
<li><div class="src-line"><a name="a135"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$expression2&nbsp;</span></div></li>
<li><div class="src-line"><a name="a136"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a137"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a138"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodlength">length</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a139"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a140"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$column&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a141"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'LENGTH('&nbsp;</span>.&nbsp;<span class="src-var">$column&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a142"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a143"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a144"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a145"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Rounds&nbsp;a&nbsp;numeric&nbsp;field&nbsp;to&nbsp;the&nbsp;number&nbsp;of&nbsp;decimals&nbsp;specified.</span></div></li>
<li><div class="src-line"><a name="a146"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a147"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$expression1&nbsp;</span></div></li>
<li><div class="src-line"><a name="a148"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$expression2&nbsp;</span></div></li>
<li><div class="src-line"><a name="a149"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a150"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a151"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodround">round</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">,&nbsp;</span><span class="src-var">$decimals&nbsp;</span>=&nbsp;<span class="src-num">0</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a152"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a153"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$column&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a154"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a155"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'ROUND('&nbsp;</span>.&nbsp;<span class="src-var">$column&nbsp;</span>.&nbsp;<span class="src-str">',&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$decimals&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a156"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a157"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a158"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a159"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;remainder&nbsp;of&nbsp;the&nbsp;division&nbsp;operation</span></div></li>
<li><div class="src-line"><a name="a160"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$expression1&nbsp;/&nbsp;$expression2.</span></div></li>
<li><div class="src-line"><a name="a161"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a162"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$expression1&nbsp;</span></div></li>
<li><div class="src-line"><a name="a163"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$expression2&nbsp;</span></div></li>
<li><div class="src-line"><a name="a164"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a165"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a166"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodmod">mod</a><span class="src-sym">(</span><span class="src-var">$expression1</span><span class="src-sym">,&nbsp;</span><span class="src-var">$expression2</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a167"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a168"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$expression1&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$expression1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a169"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$expression2&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$expression2</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a170"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'MOD('&nbsp;</span>.&nbsp;<span class="src-var">$expression1&nbsp;</span>.&nbsp;<span class="src-str">',&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$expression2&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a171"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a172"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a173"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a174"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;trim</span></div></li>
<li><div class="src-line"><a name="a175"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;returns&nbsp;the&nbsp;string&nbsp;$str&nbsp;with&nbsp;leading&nbsp;and&nbsp;proceeding&nbsp;space&nbsp;characters&nbsp;removed</span></div></li>
<li><div class="src-line"><a name="a176"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a177"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$str&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;literal&nbsp;string&nbsp;or&nbsp;column&nbsp;name</span></div></li>
<li><div class="src-line"><a name="a178"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a179"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a180"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodtrim">trim</a><span class="src-sym">(</span><span class="src-var">$str</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a181"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a182"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'TRIM('&nbsp;</span>.&nbsp;<span class="src-var">$str&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a183"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a184"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a185"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a186"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;rtrim</span></div></li>
<li><div class="src-line"><a name="a187"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;returns&nbsp;the&nbsp;string&nbsp;$str&nbsp;with&nbsp;proceeding&nbsp;space&nbsp;characters&nbsp;removed</span></div></li>
<li><div class="src-line"><a name="a188"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a189"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$str&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;literal&nbsp;string&nbsp;or&nbsp;column&nbsp;name</span></div></li>
<li><div class="src-line"><a name="a190"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a191"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a192"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodrtrim">rtrim</a><span class="src-sym">(</span><span class="src-var">$str</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a193"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a194"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'RTRIM('&nbsp;</span>.&nbsp;<span class="src-var">$str&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a195"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a196"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a197"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a198"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;ltrim</span></div></li>
<li><div class="src-line"><a name="a199"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;returns&nbsp;the&nbsp;string&nbsp;$str&nbsp;with&nbsp;leading&nbsp;space&nbsp;characters&nbsp;removed</span></div></li>
<li><div class="src-line"><a name="a200"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a201"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$str&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;literal&nbsp;string&nbsp;or&nbsp;column&nbsp;name</span></div></li>
<li><div class="src-line"><a name="a202"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a203"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a204"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodltrim">ltrim</a><span class="src-sym">(</span><span class="src-var">$str</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a205"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a206"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'LTRIM('&nbsp;</span>.&nbsp;<span class="src-var">$str&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a207"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a208"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a209"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;upper</span></div></li>
<li><div class="src-line"><a name="a210"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;string&nbsp;$str&nbsp;with&nbsp;all&nbsp;characters&nbsp;changed&nbsp;to</span></div></li>
<li><div class="src-line"><a name="a211"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;uppercase&nbsp;according&nbsp;to&nbsp;the&nbsp;current&nbsp;character&nbsp;set&nbsp;mapping.</span></div></li>
<li><div class="src-line"><a name="a212"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a213"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$str&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;literal&nbsp;string&nbsp;or&nbsp;column&nbsp;name</span></div></li>
<li><div class="src-line"><a name="a214"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a215"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a216"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodupper">upper</a><span class="src-sym">(</span><span class="src-var">$str</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a217"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a218"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'UPPER('&nbsp;</span>.&nbsp;<span class="src-var">$str&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a219"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a220"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a221"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;lower</span></div></li>
<li><div class="src-line"><a name="a222"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;string&nbsp;$str&nbsp;with&nbsp;all&nbsp;characters&nbsp;changed&nbsp;to</span></div></li>
<li><div class="src-line"><a name="a223"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;lowercase&nbsp;according&nbsp;to&nbsp;the&nbsp;current&nbsp;character&nbsp;set&nbsp;mapping.</span></div></li>
<li><div class="src-line"><a name="a224"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a225"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$str&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;literal&nbsp;string&nbsp;or&nbsp;column&nbsp;name</span></div></li>
<li><div class="src-line"><a name="a226"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a227"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a228"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodlower">lower</a><span class="src-sym">(</span><span class="src-var">$str</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a229"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a230"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'LOWER('&nbsp;</span>.&nbsp;<span class="src-var">$str&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a231"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a232"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a233"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;locate</span></div></li>
<li><div class="src-line"><a name="a234"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;returns&nbsp;the&nbsp;position&nbsp;of&nbsp;the&nbsp;first&nbsp;occurrence&nbsp;of&nbsp;substring&nbsp;$substr&nbsp;in&nbsp;string&nbsp;$str</span></div></li>
<li><div class="src-line"><a name="a235"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a236"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$substr&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;literal&nbsp;string&nbsp;to&nbsp;find</span></div></li>
<li><div class="src-line"><a name="a237"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$str&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;literal&nbsp;string</span></div></li>
<li><div class="src-line"><a name="a238"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">integer&nbsp;</span></div></li>
<li><div class="src-line"><a name="a239"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a240"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodlocate">locate</a><span class="src-sym">(</span><span class="src-var">$str</span><span class="src-sym">,&nbsp;</span><span class="src-var">$substr</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a241"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a242"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'LOCATE('&nbsp;</span>.&nbsp;<span class="src-var">$str&nbsp;</span>.&nbsp;<span class="src-str">',&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$substr&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a243"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a244"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a245"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;current&nbsp;system&nbsp;date.</span></div></li>
<li><div class="src-line"><a name="a246"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a247"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a248"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a249"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodnow">now</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a250"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a251"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'NOW()'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a252"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a253"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a254"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;soundex</span></div></li>
<li><div class="src-line"><a name="a255"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;a&nbsp;string&nbsp;to&nbsp;call&nbsp;a&nbsp;function&nbsp;to&nbsp;compute&nbsp;the</span></div></li>
<li><div class="src-line"><a name="a256"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;soundex&nbsp;encoding&nbsp;of&nbsp;a&nbsp;string</span></div></li>
<li><div class="src-line"><a name="a257"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a258"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;The&nbsp;string&nbsp;&quot;?000&quot;&nbsp;is&nbsp;returned&nbsp;if&nbsp;the&nbsp;argument&nbsp;is&nbsp;NULL.</span></div></li>
<li><div class="src-line"><a name="a259"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a260"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value&nbsp;</span></div></li>
<li><div class="src-line"><a name="a261"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;&nbsp;SQL&nbsp;soundex&nbsp;function&nbsp;with&nbsp;given&nbsp;parameter</span></div></li>
<li><div class="src-line"><a name="a262"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a263"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodsoundex">soundex</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a264"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a265"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../Doctrine/Doctrine_Expression_Exception.html">Doctrine_Expression_Exception</a></span><span class="src-sym">(</span><span class="src-str">'SQL&nbsp;soundex&nbsp;function&nbsp;not&nbsp;supported&nbsp;by&nbsp;this&nbsp;driver.'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a266"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a267"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a268"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;return&nbsp;string&nbsp;to&nbsp;call&nbsp;a&nbsp;function&nbsp;to&nbsp;get&nbsp;a&nbsp;substring&nbsp;inside&nbsp;an&nbsp;SQL&nbsp;statement</span></div></li>
<li><div class="src-line"><a name="a269"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a270"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Note:&nbsp;Not&nbsp;SQL92,&nbsp;but&nbsp;common&nbsp;functionality.</span></div></li>
<li><div class="src-line"><a name="a271"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a272"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;SQLite&nbsp;only&nbsp;supports&nbsp;the&nbsp;2&nbsp;parameter&nbsp;variant&nbsp;of&nbsp;this&nbsp;function</span></div></li>
<li><div class="src-line"><a name="a273"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a274"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;an&nbsp;sql&nbsp;string&nbsp;literal&nbsp;or&nbsp;column&nbsp;name/alias</span></div></li>
<li><div class="src-line"><a name="a275"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">integer&nbsp;</span><span class="src-doc-var">$position&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;where&nbsp;to&nbsp;start&nbsp;the&nbsp;substring&nbsp;portion</span></div></li>
<li><div class="src-line"><a name="a276"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">integer&nbsp;</span><span class="src-doc-var">$length&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the&nbsp;substring&nbsp;portion&nbsp;length</span></div></li>
<li><div class="src-line"><a name="a277"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;SQL&nbsp;substring&nbsp;function&nbsp;with&nbsp;given&nbsp;parameters</span></div></li>
<li><div class="src-line"><a name="a278"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a279"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodsubstring">substring</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">,&nbsp;</span><span class="src-var">$from</span><span class="src-sym">,&nbsp;</span><span class="src-var">$len&nbsp;</span>=&nbsp;<span class="src-id">null</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a280"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a281"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a282"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$len&nbsp;</span>===&nbsp;<span class="src-id">null</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a283"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'SUBSTRING('&nbsp;</span>.&nbsp;<span class="src-var">$value&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;FROM&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$from&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a284"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">else&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a285"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$len&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$len</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a286"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'SUBSTRING('&nbsp;</span>.&nbsp;<span class="src-var">$value&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;FROM&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$from&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;FOR&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$len&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a287"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a288"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a289"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a290"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;a&nbsp;series&nbsp;of&nbsp;strings&nbsp;concatinated</span></div></li>
<li><div class="src-line"><a name="a291"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a292"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;concat()&nbsp;accepts&nbsp;an&nbsp;arbitrary&nbsp;number&nbsp;of&nbsp;parameters.&nbsp;Each&nbsp;parameter</span></div></li>
<li><div class="src-line"><a name="a293"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;must&nbsp;contain&nbsp;an&nbsp;expression&nbsp;or&nbsp;an&nbsp;array&nbsp;with&nbsp;expressions.</span></div></li>
<li><div class="src-line"><a name="a294"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a295"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">array(string)</span><span class="src-doc">strings&nbsp;that&nbsp;will&nbsp;be&nbsp;concatinated.</span></div></li>
<li><div class="src-line"><a name="a296"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a297"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodconcat">concat</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a298"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a299"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$args&nbsp;</span>=&nbsp;<a href="http://www.php.net/func_get_args">func_get_args</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a300"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a301"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'CONCAT('&nbsp;</span>.&nbsp;<a href="http://www.php.net/join">join</a><span class="src-sym">(</span><span class="src-str">',&nbsp;'</span><span class="src-sym">,&nbsp;</span>(array)&nbsp;<span class="src-var">$args</span><span class="src-sym">)&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a302"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a303"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a304"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;for&nbsp;a&nbsp;logical&nbsp;not.</span></div></li>
<li><div class="src-line"><a name="a305"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a306"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a307"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a308"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a309"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$e&nbsp;=&nbsp;$q-&gt;expr;</span></div></li>
<li><div class="src-line"><a name="a310"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('*')-&gt;from('table')</span></div></li>
<li><div class="src-line"><a name="a311"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($e-&gt;eq('id',&nbsp;$e-&gt;not('null'));</span></div></li>
<li><div class="src-line"><a name="a312"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a313"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a314"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">a&nbsp;logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a315"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a316"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodnot">not</a><span class="src-sym">(</span><span class="src-var">$expression</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a317"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a318"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$expression&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$expression</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a319"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'NOT('&nbsp;</span>.&nbsp;<span class="src-var">$expression&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a320"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a321"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a322"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;perform&nbsp;the&nbsp;same&nbsp;mathematical&nbsp;operation&nbsp;over&nbsp;an&nbsp;array</span></div></li>
<li><div class="src-line"><a name="a323"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;of&nbsp;values&nbsp;or&nbsp;expressions.</span></div></li>
<li><div class="src-line"><a name="a324"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a325"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;basicMath()&nbsp;accepts&nbsp;an&nbsp;arbitrary&nbsp;number&nbsp;of&nbsp;parameters.&nbsp;Each&nbsp;parameter</span></div></li>
<li><div class="src-line"><a name="a326"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;must&nbsp;contain&nbsp;a&nbsp;value&nbsp;or&nbsp;an&nbsp;expression&nbsp;or&nbsp;an&nbsp;array&nbsp;with&nbsp;values&nbsp;or</span></div></li>
<li><div class="src-line"><a name="a327"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;expressions.</span></div></li>
<li><div class="src-line"><a name="a328"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a329"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$type&nbsp;</span><span class="src-doc">the&nbsp;type&nbsp;of&nbsp;operation,&nbsp;can&nbsp;be&nbsp;'+',&nbsp;'-',&nbsp;'*'&nbsp;or&nbsp;'/'.</span></div></li>
<li><div class="src-line"><a name="a330"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">array(string)</span></div></li>
<li><div class="src-line"><a name="a331"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">an&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a332"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a333"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">private&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodbasicMath">basicMath</a><span class="src-sym">(</span><span class="src-var">$type</span><span class="src-sym">,&nbsp;</span><span class="src-key">array&nbsp;</span><span class="src-var">$args</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a334"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a335"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$elements&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">getIdentifiers</span><span class="src-sym">(</span><span class="src-var">$args</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a336"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodcount">count</a><span class="src-sym">(</span><span class="src-var">$elements</span><span class="src-sym">)&nbsp;</span>&lt;&nbsp;<span class="src-num">1</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a337"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">''</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a338"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a339"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodcount">count</a><span class="src-sym">(</span><span class="src-var">$elements</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-num">1</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a340"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$elements</span><span class="src-sym">[</span><span class="src-num">0</span><span class="src-sym">]</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a341"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}&nbsp;</span><span class="src-key">else&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a342"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'('&nbsp;</span>.&nbsp;<a href="http://www.php.net/implode">implode</a><span class="src-sym">(</span><span class="src-str">'&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$type&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$elements</span><span class="src-sym">)&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a343"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a344"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a345"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a346"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;add&nbsp;values&nbsp;or&nbsp;expressions&nbsp;together.</span></div></li>
<li><div class="src-line"><a name="a347"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a348"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;add()&nbsp;accepts&nbsp;an&nbsp;arbitrary&nbsp;number&nbsp;of&nbsp;parameters.&nbsp;Each&nbsp;parameter</span></div></li>
<li><div class="src-line"><a name="a349"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;must&nbsp;contain&nbsp;a&nbsp;value&nbsp;or&nbsp;an&nbsp;expression&nbsp;or&nbsp;an&nbsp;array&nbsp;with&nbsp;values&nbsp;or</span></div></li>
<li><div class="src-line"><a name="a350"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;expressions.</span></div></li>
<li><div class="src-line"><a name="a351"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a352"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a353"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a354"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a355"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$e&nbsp;=&nbsp;$q-&gt;expr;</span></div></li>
<li><div class="src-line"><a name="a356"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a357"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a358"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a359"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($e-&gt;eq($e-&gt;add('id',&nbsp;2),&nbsp;12));</span></div></li>
<li><div class="src-line"><a name="a360"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a361"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a362"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">array(string)</span></div></li>
<li><div class="src-line"><a name="a363"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">an&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a364"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a365"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodadd">add</a><span class="src-sym">(</span><span class="src-key">array&nbsp;</span><span class="src-var">$args</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a366"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a367"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">basicMath</span><span class="src-sym">(</span><span class="src-str">'+'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$args</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a368"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a369"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a370"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a371"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;subtract&nbsp;values&nbsp;or&nbsp;expressions&nbsp;from&nbsp;eachother.</span></div></li>
<li><div class="src-line"><a name="a372"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a373"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;subtract()&nbsp;accepts&nbsp;an&nbsp;arbitrary&nbsp;number&nbsp;of&nbsp;parameters.&nbsp;Each&nbsp;parameter</span></div></li>
<li><div class="src-line"><a name="a374"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;must&nbsp;contain&nbsp;a&nbsp;value&nbsp;or&nbsp;an&nbsp;expression&nbsp;or&nbsp;an&nbsp;array&nbsp;with&nbsp;values&nbsp;or</span></div></li>
<li><div class="src-line"><a name="a375"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;expressions.</span></div></li>
<li><div class="src-line"><a name="a376"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a377"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a378"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a379"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a380"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$e&nbsp;=&nbsp;$q-&gt;expr;</span></div></li>
<li><div class="src-line"><a name="a381"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a382"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a383"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a384"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($e-&gt;eq($e-&gt;sub('id',&nbsp;2),&nbsp;12));</span></div></li>
<li><div class="src-line"><a name="a385"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a386"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a387"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">array(string)</span></div></li>
<li><div class="src-line"><a name="a388"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">an&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a389"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a390"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodsub">sub</a><span class="src-sym">(</span><span class="src-key">array&nbsp;</span><span class="src-var">$args</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a391"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a392"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">basicMath</span><span class="src-sym">(</span><span class="src-str">'-'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$args&nbsp;</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a393"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a394"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a395"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a396"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;multiply&nbsp;values&nbsp;or&nbsp;expressions&nbsp;by&nbsp;eachother.</span></div></li>
<li><div class="src-line"><a name="a397"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a398"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;multiply()&nbsp;accepts&nbsp;an&nbsp;arbitrary&nbsp;number&nbsp;of&nbsp;parameters.&nbsp;Each&nbsp;parameter</span></div></li>
<li><div class="src-line"><a name="a399"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;must&nbsp;contain&nbsp;a&nbsp;value&nbsp;or&nbsp;an&nbsp;expression&nbsp;or&nbsp;an&nbsp;array&nbsp;with&nbsp;values&nbsp;or</span></div></li>
<li><div class="src-line"><a name="a400"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;expressions.</span></div></li>
<li><div class="src-line"><a name="a401"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a402"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a403"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a404"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a405"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$e&nbsp;=&nbsp;$q-&gt;expr;</span></div></li>
<li><div class="src-line"><a name="a406"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a407"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a408"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a409"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($e-&gt;eq($e-&gt;mul('id',&nbsp;2),&nbsp;12));</span></div></li>
<li><div class="src-line"><a name="a410"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a411"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a412"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">array(string)</span></div></li>
<li><div class="src-line"><a name="a413"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">an&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a414"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a415"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodmul">mul</a><span class="src-sym">(</span><span class="src-key">array&nbsp;</span><span class="src-var">$args</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a416"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a417"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">basicMath</span><span class="src-sym">(</span><span class="src-str">'*'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$args</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a418"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a419"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a420"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a421"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;divide&nbsp;values&nbsp;or&nbsp;expressions&nbsp;by&nbsp;eachother.</span></div></li>
<li><div class="src-line"><a name="a422"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a423"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;divide()&nbsp;accepts&nbsp;an&nbsp;arbitrary&nbsp;number&nbsp;of&nbsp;parameters.&nbsp;Each&nbsp;parameter</span></div></li>
<li><div class="src-line"><a name="a424"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;must&nbsp;contain&nbsp;a&nbsp;value&nbsp;or&nbsp;an&nbsp;expression&nbsp;or&nbsp;an&nbsp;array&nbsp;with&nbsp;values&nbsp;or</span></div></li>
<li><div class="src-line"><a name="a425"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;expressions.</span></div></li>
<li><div class="src-line"><a name="a426"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a427"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a428"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a429"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a430"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$e&nbsp;=&nbsp;$q-&gt;expr;</span></div></li>
<li><div class="src-line"><a name="a431"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a432"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a433"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a434"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($e-&gt;eq($e-&gt;div('id',&nbsp;2),&nbsp;12));</span></div></li>
<li><div class="src-line"><a name="a435"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a436"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a437"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">array(string)</span></div></li>
<li><div class="src-line"><a name="a438"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">an&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a439"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a440"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methoddiv">div</a><span class="src-sym">(</span><span class="src-key">array&nbsp;</span><span class="src-var">$args</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a441"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a442"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id">basicMath</span><span class="src-sym">(</span><span class="src-str">'/'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$args</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a443"></a>&nbsp;&nbsp;&nbsp;&nbsp;</div></li>
<li><div class="src-line"><a name="a444"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a445"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a446"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;check&nbsp;if&nbsp;two&nbsp;values&nbsp;are&nbsp;equal.</span></div></li>
<li><div class="src-line"><a name="a447"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a448"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a449"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a450"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a451"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a452"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a453"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($q-&gt;expr-&gt;eq('id',&nbsp;1));</span></div></li>
<li><div class="src-line"><a name="a454"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a455"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a456"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value1&nbsp;</span><span class="src-doc">logical&nbsp;expression&nbsp;to&nbsp;compare</span></div></li>
<li><div class="src-line"><a name="a457"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value2&nbsp;</span><span class="src-doc">logical&nbsp;expression&nbsp;to&nbsp;compare&nbsp;with</span></div></li>
<li><div class="src-line"><a name="a458"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a459"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a460"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodeq">eq</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">,&nbsp;</span><span class="src-var">$value2</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a461"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a462"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value1&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a463"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value2&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value2</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a464"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$value1&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;=&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$value2</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a465"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a466"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a467"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a468"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;check&nbsp;if&nbsp;two&nbsp;values&nbsp;are&nbsp;unequal.</span></div></li>
<li><div class="src-line"><a name="a469"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a470"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a471"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a472"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a473"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a474"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a475"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($q-&gt;expr-&gt;neq('id',&nbsp;1));</span></div></li>
<li><div class="src-line"><a name="a476"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a477"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a478"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value1&nbsp;</span><span class="src-doc">logical&nbsp;expression&nbsp;to&nbsp;compare</span></div></li>
<li><div class="src-line"><a name="a479"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value2&nbsp;</span><span class="src-doc">logical&nbsp;expression&nbsp;to&nbsp;compare&nbsp;with</span></div></li>
<li><div class="src-line"><a name="a480"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a481"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a482"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodneq">neq</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">,&nbsp;</span><span class="src-var">$value2</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a483"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a484"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value1&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a485"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value2&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value2</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a486"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$value1&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;&lt;&gt;&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$value2</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a487"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a488"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a489"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a490"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;check&nbsp;if&nbsp;one&nbsp;value&nbsp;is&nbsp;greater&nbsp;than&nbsp;another&nbsp;value.</span></div></li>
<li><div class="src-line"><a name="a491"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a492"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a493"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a494"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a495"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a496"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a497"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($q-&gt;expr-&gt;gt('id',&nbsp;1));</span></div></li>
<li><div class="src-line"><a name="a498"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a499"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a500"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value1&nbsp;</span><span class="src-doc">logical&nbsp;expression&nbsp;to&nbsp;compare</span></div></li>
<li><div class="src-line"><a name="a501"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value2&nbsp;</span><span class="src-doc">logical&nbsp;expression&nbsp;to&nbsp;compare&nbsp;with</span></div></li>
<li><div class="src-line"><a name="a502"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a503"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a504"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgt">gt</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">,&nbsp;</span><span class="src-var">$value2</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a505"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a506"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value1&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a507"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value2&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value2</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a508"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$value1&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;&gt;&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$value2</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a509"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a510"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a511"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a512"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;check&nbsp;if&nbsp;one&nbsp;value&nbsp;is&nbsp;greater&nbsp;than&nbsp;or&nbsp;equal&nbsp;to</span></div></li>
<li><div class="src-line"><a name="a513"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;another&nbsp;value.</span></div></li>
<li><div class="src-line"><a name="a514"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a515"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a516"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a517"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a518"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a519"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a520"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($q-&gt;expr-&gt;gte('id',&nbsp;1));</span></div></li>
<li><div class="src-line"><a name="a521"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a522"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a523"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value1&nbsp;</span><span class="src-doc">logical&nbsp;expression&nbsp;to&nbsp;compare</span></div></li>
<li><div class="src-line"><a name="a524"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value2&nbsp;</span><span class="src-doc">logical&nbsp;expression&nbsp;to&nbsp;compare&nbsp;with</span></div></li>
<li><div class="src-line"><a name="a525"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a526"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a527"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgte">gte</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">,&nbsp;</span><span class="src-var">$value2</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a528"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a529"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value1&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a530"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value2&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value2</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a531"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$value1&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;&gt;=&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$value2</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a532"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a533"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a534"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a535"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;check&nbsp;if&nbsp;one&nbsp;value&nbsp;is&nbsp;less&nbsp;than&nbsp;another&nbsp;value.</span></div></li>
<li><div class="src-line"><a name="a536"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a537"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a538"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a539"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a540"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a541"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a542"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($q-&gt;expr-&gt;lt('id',&nbsp;1));</span></div></li>
<li><div class="src-line"><a name="a543"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a544"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a545"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value1&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logical&nbsp;expression&nbsp;to&nbsp;compare</span></div></li>
<li><div class="src-line"><a name="a546"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value2&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logical&nbsp;expression&nbsp;to&nbsp;compare&nbsp;with</span></div></li>
<li><div class="src-line"><a name="a547"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a548"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a549"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodlt">lt</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">,&nbsp;</span><span class="src-var">$value2</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a550"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a551"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value1&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a552"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value2&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value2</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a553"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$value1&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;&lt;&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$value2</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a554"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a555"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a556"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a557"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;check&nbsp;if&nbsp;one&nbsp;value&nbsp;is&nbsp;less&nbsp;than&nbsp;or&nbsp;equal&nbsp;to</span></div></li>
<li><div class="src-line"><a name="a558"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;another&nbsp;value.</span></div></li>
<li><div class="src-line"><a name="a559"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a560"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a561"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a562"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a563"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a564"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a565"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($q-&gt;expr-&gt;lte('id',&nbsp;1));</span></div></li>
<li><div class="src-line"><a name="a566"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a567"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a568"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value1&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logical&nbsp;expression&nbsp;to&nbsp;compare</span></div></li>
<li><div class="src-line"><a name="a569"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value2&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;logical&nbsp;expression&nbsp;to&nbsp;compare&nbsp;with</span></div></li>
<li><div class="src-line"><a name="a570"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a571"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a572"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodlte">lte</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">,&nbsp;</span><span class="src-var">$value2</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a573"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a574"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value1&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a575"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value2&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value2</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a576"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$value1&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;&lt;=&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$value2</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a577"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a578"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a579"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a580"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;the&nbsp;SQL&nbsp;to&nbsp;check&nbsp;if&nbsp;a&nbsp;value&nbsp;is&nbsp;one&nbsp;in&nbsp;a&nbsp;set&nbsp;of</span></div></li>
<li><div class="src-line"><a name="a581"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;given&nbsp;values..</span></div></li>
<li><div class="src-line"><a name="a582"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a583"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;in()&nbsp;accepts&nbsp;an&nbsp;arbitrary&nbsp;number&nbsp;of&nbsp;parameters.&nbsp;The&nbsp;first&nbsp;parameter</span></div></li>
<li><div class="src-line"><a name="a584"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;must&nbsp;always&nbsp;specify&nbsp;the&nbsp;value&nbsp;that&nbsp;should&nbsp;be&nbsp;matched&nbsp;against.&nbsp;Successive</span></div></li>
<li><div class="src-line"><a name="a585"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;must&nbsp;contain&nbsp;a&nbsp;logical&nbsp;expression&nbsp;or&nbsp;an&nbsp;array&nbsp;with&nbsp;logical&nbsp;expressions.</span></div></li>
<li><div class="src-line"><a name="a586"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;These&nbsp;expressions&nbsp;will&nbsp;be&nbsp;matched&nbsp;against&nbsp;the&nbsp;first&nbsp;parameter.</span></div></li>
<li><div class="src-line"><a name="a587"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a588"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a589"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a590"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a591"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a592"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a593"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($q-&gt;expr-&gt;in(&nbsp;'id',&nbsp;array(1,2,3)));</span></div></li>
<li><div class="src-line"><a name="a594"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a595"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a596"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$column&nbsp;</span><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the&nbsp;value&nbsp;that&nbsp;should&nbsp;be&nbsp;matched&nbsp;against</span></div></li>
<li><div class="src-line"><a name="a597"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string</span><span class="src-doc">|</span><span class="src-doc-type">array(string)</span><span class="src-doc">&nbsp;values&nbsp;that&nbsp;will&nbsp;be&nbsp;matched&nbsp;against&nbsp;$column</span></div></li>
<li><div class="src-line"><a name="a598"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a599"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a600"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodin">in</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">,&nbsp;</span><span class="src-var">$values</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a601"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a602"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(&nbsp;</span><span class="src-sym">!&nbsp;</span><a href="http://www.php.net/is_array">is_array</a><span class="src-sym">(</span><span class="src-var">$values</span><span class="src-sym">))&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a603"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$values&nbsp;</span>=&nbsp;<span class="src-key">array</span><span class="src-sym">(</span><span class="src-var">$values</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a604"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a605"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$values&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifiers">getIdentifiers</a><span class="src-sym">(</span><span class="src-var">$values</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a606"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$column&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a607"></a>&nbsp;</div></li>
<li><div class="src-line"><a name="a608"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodcount">count</a><span class="src-sym">(</span><span class="src-var">$values</span><span class="src-sym">)&nbsp;</span>==&nbsp;<span class="src-num">0</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a609"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../Doctrine/Doctrine_Expression_Exception.html">Doctrine_Expression_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Values&nbsp;array&nbsp;for&nbsp;IN&nbsp;operator&nbsp;should&nbsp;not&nbsp;be&nbsp;empty.'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a610"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a611"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$column&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;IN&nbsp;('&nbsp;</span>.&nbsp;<a href="http://www.php.net/implode">implode</a><span class="src-sym">(</span><span class="src-str">',&nbsp;'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$values</span><span class="src-sym">)&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a612"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a613"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a614"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;SQL&nbsp;that&nbsp;checks&nbsp;if&nbsp;a&nbsp;expression&nbsp;is&nbsp;null.</span></div></li>
<li><div class="src-line"><a name="a615"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a616"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a617"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a618"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a619"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a620"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a621"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($q-&gt;expr-&gt;isNull('id'));</span></div></li>
<li><div class="src-line"><a name="a622"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a623"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a624"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$expression&nbsp;</span><span class="src-doc">the&nbsp;expression&nbsp;that&nbsp;should&nbsp;be&nbsp;compared&nbsp;to&nbsp;null</span></div></li>
<li><div class="src-line"><a name="a625"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a626"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a627"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodisNull">isNull</a><span class="src-sym">(</span><span class="src-var">$expression</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a628"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a629"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$expression&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$expression</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a630"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$expression&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;IS&nbsp;NULL'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a631"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a632"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a633"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;SQL&nbsp;that&nbsp;checks&nbsp;if&nbsp;a&nbsp;expression&nbsp;is&nbsp;not&nbsp;null.</span></div></li>
<li><div class="src-line"><a name="a634"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a635"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a636"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a637"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a638"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a639"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a640"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($q-&gt;expr-&gt;isNotNull('id'));</span></div></li>
<li><div class="src-line"><a name="a641"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a642"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a643"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$expression&nbsp;</span><span class="src-doc">the&nbsp;expression&nbsp;that&nbsp;should&nbsp;be&nbsp;compared&nbsp;to&nbsp;null</span></div></li>
<li><div class="src-line"><a name="a644"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a645"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a646"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodisNotNull">isNotNull</a><span class="src-sym">(</span><span class="src-var">$expression</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a647"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a648"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$expression&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$expression</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a649"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$expression&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;IS&nbsp;NOT&nbsp;NULL'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a650"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a651"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a652"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;SQL&nbsp;that&nbsp;checks&nbsp;if&nbsp;an&nbsp;expression&nbsp;evaluates&nbsp;to&nbsp;a&nbsp;value&nbsp;between</span></div></li>
<li><div class="src-line"><a name="a653"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;two&nbsp;values.</span></div></li>
<li><div class="src-line"><a name="a654"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a655"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;The&nbsp;parameter&nbsp;$expression&nbsp;is&nbsp;checked&nbsp;if&nbsp;it&nbsp;is&nbsp;between&nbsp;$value1&nbsp;and&nbsp;$value2.</span></div></li>
<li><div class="src-line"><a name="a656"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a657"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Note:&nbsp;There&nbsp;is&nbsp;a&nbsp;slight&nbsp;difference&nbsp;in&nbsp;the&nbsp;way&nbsp;BETWEEN&nbsp;works&nbsp;on&nbsp;some&nbsp;databases.</span></div></li>
<li><div class="src-line"><a name="a658"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;http://www.w3schools.com/sql/sql_between.asp.&nbsp;If&nbsp;you&nbsp;want&nbsp;complete&nbsp;database</span></div></li>
<li><div class="src-line"><a name="a659"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;independence&nbsp;you&nbsp;should&nbsp;avoid&nbsp;using&nbsp;between().</span></div></li>
<li><div class="src-line"><a name="a660"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a661"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Example:</span></div></li>
<li><div class="src-line"><a name="a662"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;code&gt;</span></div></li>
<li><div class="src-line"><a name="a663"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q&nbsp;=&nbsp;new&nbsp;Doctrine_Query();</span></div></li>
<li><div class="src-line"><a name="a664"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;$q-&gt;select('u.*')</span></div></li>
<li><div class="src-line"><a name="a665"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;from('User&nbsp;u')</span></div></li>
<li><div class="src-line"><a name="a666"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&nbsp;&nbsp;-&gt;where($q-&gt;expr-&gt;between('id',&nbsp;1,&nbsp;5));</span></div></li>
<li><div class="src-line"><a name="a667"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;&lt;/code&gt;</span></div></li>
<li><div class="src-line"><a name="a668"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a669"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$expression&nbsp;</span><span class="src-doc">the&nbsp;value&nbsp;to&nbsp;compare&nbsp;to</span></div></li>
<li><div class="src-line"><a name="a670"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value1&nbsp;</span><span class="src-doc">the&nbsp;lower&nbsp;value&nbsp;to&nbsp;compare&nbsp;with</span></div></li>
<li><div class="src-line"><a name="a671"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@param&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc-var">$value2&nbsp;</span><span class="src-doc">the&nbsp;higher&nbsp;value&nbsp;to&nbsp;compare&nbsp;with</span></div></li>
<li><div class="src-line"><a name="a672"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">logical&nbsp;expression</span></div></li>
<li><div class="src-line"><a name="a673"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a674"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodbetween">between</a><span class="src-sym">(</span><span class="src-var">$expression</span><span class="src-sym">,&nbsp;</span><span class="src-var">$value1</span><span class="src-sym">,&nbsp;</span><span class="src-var">$value2</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a675"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a676"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$expression&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$expression</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a677"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value1&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value1</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a678"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-var">$value2&nbsp;</span>=&nbsp;<span class="src-var">$this</span><span class="src-sym">-&gt;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value2</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a679"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$expression&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;BETWEEN&nbsp;'&nbsp;</span>.<span class="src-var">$value1&nbsp;</span>.&nbsp;<span class="src-str">'&nbsp;AND&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$value2</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a680"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a681"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a682"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;Returns&nbsp;global&nbsp;unique&nbsp;identifier</span></div></li>
<li><div class="src-line"><a name="a683"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a684"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span><span class="src-doc">to&nbsp;get&nbsp;global&nbsp;unique&nbsp;identifier</span></div></li>
<li><div class="src-line"><a name="a685"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a686"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodguid">guid</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a687"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a688"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../Doctrine/Doctrine_Expression_Exception.html">Doctrine_Expression_Exception</a></span><span class="src-sym">(</span><span class="src-str">'method&nbsp;not&nbsp;implemented'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a689"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a690"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a691"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;returns&nbsp;arcus&nbsp;cosine&nbsp;SQL&nbsp;string</span></div></li>
<li><div class="src-line"><a name="a692"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a693"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;</span><span class="src-doc-coretag">@return&nbsp;</span><span class="src-doc-type">string&nbsp;</span></div></li>
<li><div class="src-line"><a name="a694"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a695"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodacos">acos</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">)</span></div></li>
<li><div class="src-line"><a name="a696"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a697"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-str">'ACOS('&nbsp;</span>.&nbsp;<span class="src-var">$value&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a698"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a699"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-doc">/**</span></div></li>
<li><div class="src-line"><a name="a700"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;__call</span></div></li>
<li><div class="src-line"><a name="a701"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*</span></div></li>
<li><div class="src-line"><a name="a702"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*&nbsp;for&nbsp;all&nbsp;native&nbsp;RDBMS&nbsp;functions&nbsp;the&nbsp;function&nbsp;name&nbsp;itself&nbsp;is&nbsp;returned</span></div></li>
<li><div class="src-line"><a name="a703"></a><span class="src-doc">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;*/</span></div></li>
<li><div class="src-line"><a name="a704"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">public&nbsp;</span><span class="src-key">function&nbsp;</span><a href="../Doctrine/Doctrine_Expression_Driver.html#method__call">__call</a><span class="src-sym">(</span><span class="src-var">$m</span><span class="src-sym">,&nbsp;</span><span class="src-var">$a</span><span class="src-sym">)&nbsp;</span></div></li>
<li><div class="src-line"><a name="a705"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a706"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">if&nbsp;</span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-&gt;</span><span class="src-id"><a href="../Doctrine/Doctrine_Connection_Module.html#var$conn">conn</a></span><span class="src-sym">-&gt;</span><span class="src-id">getAttribute</span><span class="src-sym">(</span><span class="src-id"><a href="../Doctrine/Doctrine.html">Doctrine</a></span><span class="src-sym">::</span><span class="src-id">ATTR_PORTABILITY</span><span class="src-sym">)&nbsp;</span><span class="src-sym">&amp;&nbsp;</span><span class="src-id"><a href="../Doctrine/Doctrine.html">Doctrine</a></span><span class="src-sym">::</span><span class="src-id">PORTABILITY_EXPR</span><span class="src-sym">)&nbsp;</span><span class="src-sym">{</span></div></li>
<li><div class="src-line"><a name="a707"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;throw&nbsp;<span class="src-key">new&nbsp;</span><span class="src-id"><a href="../Doctrine/Doctrine_Expression_Exception.html">Doctrine_Expression_Exception</a></span><span class="src-sym">(</span><span class="src-str">'Unknown&nbsp;expression&nbsp;'&nbsp;</span>.&nbsp;<span class="src-var">$m</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a708"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a709"></a>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-key">return&nbsp;</span><span class="src-var">$m&nbsp;</span>.&nbsp;<span class="src-str">'('&nbsp;</span>.&nbsp;<a href="http://www.php.net/implode">implode</a><span class="src-sym">(</span><span class="src-str">',&nbsp;'</span><span class="src-sym">,&nbsp;</span><span class="src-var">$a</span><span class="src-sym">)&nbsp;</span>.&nbsp;<span class="src-str">')'</span><span class="src-sym">;</span></div></li>
<li><div class="src-line"><a name="a710"></a>&nbsp;&nbsp;&nbsp;&nbsp;<span class="src-sym">}</span></div></li>
<li><div class="src-line"><a name="a711"></a><span class="src-sym">}</span></div></li>
</ol>
</span></div>
</div>