213 lines
43 KiB
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213 lines
43 KiB
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<div id="content">
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<h1 align="center">Source for file Pgsql.php</h1>
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<p>Documentation is available at <a href="../Doctrine/_Doctrine---Expression---Pgsql.php.html">Pgsql.php</a></p>
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<div class="src-code"><span class="php">
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<ol><li><div class="src-line"><a name="a1"></a><span class="src-php"><?php</span></div></li>
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<li><div class="src-line"><a name="a2"></a><span class="src-comm">/*</span></div></li>
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<li><div class="src-line"><a name="a3"></a><span class="src-comm"> * $Id: Pgsql.php 2276 2007-08-25 08:06:17Z lukenukem $</span></div></li>
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<li><div class="src-line"><a name="a4"></a><span class="src-comm"> *</span></div></li>
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<li><div class="src-line"><a name="a5"></a><span class="src-comm"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span></div></li>
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<li><div class="src-line"><a name="a6"></a><span class="src-comm"> * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span></div></li>
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<li><div class="src-line"><a name="a7"></a><span class="src-comm"> * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span></div></li>
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<li><div class="src-line"><a name="a8"></a><span class="src-comm"> * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span></div></li>
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<li><div class="src-line"><a name="a9"></a><span class="src-comm"> * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span></div></li>
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<li><div class="src-line"><a name="a10"></a><span class="src-comm"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span></div></li>
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<li><div class="src-line"><a name="a11"></a><span class="src-comm"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span></div></li>
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<li><div class="src-line"><a name="a12"></a><span class="src-comm"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span></div></li>
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<li><div class="src-line"><a name="a13"></a><span class="src-comm"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span></div></li>
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<li><div class="src-line"><a name="a14"></a><span class="src-comm"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span></div></li>
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<li><div class="src-line"><a name="a15"></a><span class="src-comm"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span></div></li>
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<li><div class="src-line"><a name="a16"></a><span class="src-comm"> *</span></div></li>
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<li><div class="src-line"><a name="a17"></a><span class="src-comm"> * This software consists of voluntary contributions made by many individuals</span></div></li>
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<li><div class="src-line"><a name="a18"></a><span class="src-comm"> * and is licensed under the LGPL. For more information, see</span></div></li>
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<li><div class="src-line"><a name="a19"></a><span class="src-comm"> * <http://www.phpdoctrine.com>.</span></div></li>
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<li><div class="src-line"><a name="a20"></a><span class="src-comm"> */</span></div></li>
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<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_Expression_Driver'</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a22"></a><span class="src-doc">/**</span></div></li>
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<li><div class="src-line"><a name="a23"></a><span class="src-doc"> * Doctrine_Expression_Pgsql</span></div></li>
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<li><div class="src-line"><a name="a24"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a25"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@package</span><span class="src-doc"> Doctrine</span></div></li>
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<li><div class="src-line"><a name="a26"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@license</span><span class="src-doc"> http://www.opensource.org/licenses/lgpl-license.php LGPL</span></div></li>
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<li><div class="src-line"><a name="a27"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@category</span><span class="src-doc"> Object Relational Mapping</span></div></li>
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<li><div class="src-line"><a name="a28"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@link</span><span class="src-doc"> www.phpdoctrine.com</span></div></li>
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<li><div class="src-line"><a name="a29"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@since</span><span class="src-doc"> 1.0</span></div></li>
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<li><div class="src-line"><a name="a30"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@version</span><span class="src-doc"> $Revision: 2276 $</span></div></li>
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<li><div class="src-line"><a name="a31"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@author</span><span class="src-doc"> Konsta Vesterinen <kvesteri@cc.hut.fi></span></div></li>
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<li><div class="src-line"><a name="a32"></a><span class="src-doc"> */</span></div></li>
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<li><div class="src-line"><a name="a33"></a><span class="src-key">class </span><a href="../Doctrine/Doctrine_Expression_Pgsql.html">Doctrine_Expression_Pgsql</a> <span class="src-key">extends </span><a href="../Doctrine/Doctrine_Expression_Driver.html">Doctrine_Expression_Driver</a></div></li>
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<li><div class="src-line"><a name="a34"></a><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a35"></a> <span class="src-doc">/**</span></div></li>
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<li><div class="src-line"><a name="a36"></a><span class="src-doc"> * Returns the md5 sum of a field.</span></div></li>
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<li><div class="src-line"><a name="a37"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a38"></a><span class="src-doc"> * Note: Not SQL92, but common functionality</span></div></li>
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<li><div class="src-line"><a name="a39"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a40"></a><span class="src-doc"> * md5() works with the default PostgreSQL 8 versions.</span></div></li>
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<li><div class="src-line"><a name="a41"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a42"></a><span class="src-doc"> * If you are using PostgreSQL 7.x or older you need</span></div></li>
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<li><div class="src-line"><a name="a43"></a><span class="src-doc"> * to make sure that the digest procedure is installed.</span></div></li>
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<li><div class="src-line"><a name="a44"></a><span class="src-doc"> * If you use RPMS (Redhat and Mandrake) install the postgresql-contrib</span></div></li>
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<li><div class="src-line"><a name="a45"></a><span class="src-doc"> * package. You must then install the procedure by running this shell command:</span></div></li>
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<li><div class="src-line"><a name="a46"></a><span class="src-doc"> * <code></span></div></li>
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<li><div class="src-line"><a name="a47"></a><span class="src-doc"> * psql [dbname] < /usr/share/pgsql/contrib/pgcrypto.sql</span></div></li>
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<li><div class="src-line"><a name="a48"></a><span class="src-doc"> * </code></span></div></li>
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<li><div class="src-line"><a name="a49"></a><span class="src-doc"> * You should make sure you run this as the postgres user.</span></div></li>
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<li><div class="src-line"><a name="a50"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a51"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span></div></li>
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<li><div class="src-line"><a name="a52"></a><span class="src-doc"> */</span></div></li>
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<li><div class="src-line"><a name="a53"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression_Pgsql.html#methodmd5">md5</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a54"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a55"></a> <span class="src-var">$column </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$column</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a56"></a> </div></li>
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<li><div class="src-line"><a name="a57"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><span class="src-var">version </span>> <span class="src-num">7</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a58"></a> <span class="src-key">return </span><span class="src-str">'MD5(' </span>. <span class="src-var">$column </span>. <span class="src-str">')'</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a59"></a> <span class="src-sym">} </span><span class="src-key">else </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a60"></a> <span class="src-key">return </span><span class="src-str">'encode(digest(' </span>. <span class="src-var">$column </span>.<span class="src-str">', md5), hex)'</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a61"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a62"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a63"></a> </div></li>
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<li><div class="src-line"><a name="a64"></a> <span class="src-doc">/**</span></div></li>
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<li><div class="src-line"><a name="a65"></a><span class="src-doc"> * Returns part of a string.</span></div></li>
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<li><div class="src-line"><a name="a66"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a67"></a><span class="src-doc"> * Note: Not SQL92, but common functionality.</span></div></li>
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<li><div class="src-line"><a name="a68"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a69"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">string </span><span class="src-doc-var">$value </span><span class="src-doc">the target $value the string or the string column.</span></div></li>
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<li><div class="src-line"><a name="a70"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">int </span><span class="src-doc-var">$from </span><span class="src-doc">extract from this characeter.</span></div></li>
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<li><div class="src-line"><a name="a71"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">int </span><span class="src-doc-var">$len </span><span class="src-doc">extract this amount of characters.</span></div></li>
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<li><div class="src-line"><a name="a72"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc">sql that extracts part of a string.</span></div></li>
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<li><div class="src-line"><a name="a73"></a><span class="src-doc"> */</span></div></li>
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<li><div class="src-line"><a name="a74"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression_Pgsql.html#methodsubstring">substring</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">, </span><span class="src-var">$from</span><span class="src-sym">, </span><span class="src-var">$len </span>= <span class="src-id">null</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a75"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a76"></a> <span class="src-var">$value </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a77"></a> </div></li>
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<li><div class="src-line"><a name="a78"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$len </span>=== <span class="src-id">null</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a79"></a> <span class="src-var">$len </span>= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Expression_Driver.html#methodgetIdentifier">getIdentifier</a><span class="src-sym">(</span><span class="src-var">$len</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a80"></a> <span class="src-key">return </span><span class="src-str">'SUBSTR(' </span>. <span class="src-var">$value </span>. <span class="src-str">', ' </span>. <span class="src-var">$from </span>. <span class="src-str">')'</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a81"></a> <span class="src-sym">} </span><span class="src-key">else </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a82"></a> <span class="src-key">return </span><span class="src-str">'SUBSTR(' </span>. <span class="src-var">$value </span>. <span class="src-str">', ' </span>. <span class="src-var">$from </span>. <span class="src-str">', ' </span>. <span class="src-var">$len </span>. <span class="src-str">')'</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a83"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a84"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a85"></a> </div></li>
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<li><div class="src-line"><a name="a86"></a> <span class="src-doc">/**</span></div></li>
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<li><div class="src-line"><a name="a87"></a><span class="src-doc"> * Returns a series of strings concatinated</span></div></li>
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<li><div class="src-line"><a name="a88"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a89"></a><span class="src-doc"> * concat() accepts an arbitrary number of parameters. Each parameter</span></div></li>
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<li><div class="src-line"><a name="a90"></a><span class="src-doc"> * must contain an expression or an array with expressions.</span></div></li>
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<li><div class="src-line"><a name="a91"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a92"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </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 that will be concatinated.</span></div></li>
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<li><div class="src-line"><a name="a93"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span></div></li>
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<li><div class="src-line"><a name="a94"></a><span class="src-doc"> */</span></div></li>
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<li><div class="src-line"><a name="a95"></a> </div></li>
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<li><div class="src-line"><a name="a96"></a> </div></li>
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<li><div class="src-line"><a name="a97"></a> <span class="src-doc">/**</span></div></li>
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<li><div class="src-line"><a name="a98"></a><span class="src-doc"> * PostgreSQLs AGE(<timestamp1> [, <timestamp2>]) function.</span></div></li>
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<li><div class="src-line"><a name="a99"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a100"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">string </span><span class="src-doc-var">$timestamp1 </span><span class="src-doc">timestamp to subtract from NOW()</span></div></li>
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<li><div class="src-line"><a name="a101"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">string </span><span class="src-doc-var">$timestamp2 </span><span class="src-doc">optional; if given: subtract arguments</span></div></li>
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<li><div class="src-line"><a name="a102"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span></div></li>
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<li><div class="src-line"><a name="a103"></a><span class="src-doc"> */</span></div></li>
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<li><div class="src-line"><a name="a104"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression_Pgsql.html#methodage">age</a><span class="src-sym">(</span><span class="src-var">$timestamp1</span><span class="src-sym">, </span><span class="src-var">$timestamp2 </span>= <span class="src-id">null</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a105"></a> <span class="src-key">if</span><span class="src-sym">( </span><span class="src-var">$timestamp2 </span>== <span class="src-id">null </span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a106"></a> <span class="src-key">return </span><span class="src-str">'AGE(' </span>. <span class="src-var">$timestamp1 </span>. <span class="src-str">')'</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a107"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a108"></a> <span class="src-key">return </span><span class="src-str">'AGE(' </span>. <span class="src-var">$timestamp1 </span>. <span class="src-str">', ' </span>. <span class="src-var">$timestamp2 </span>. <span class="src-str">')'</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a109"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a110"></a> </div></li>
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<li><div class="src-line"><a name="a111"></a> <span class="src-doc">/**</span></div></li>
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<li><div class="src-line"><a name="a112"></a><span class="src-doc"> * PostgreSQLs DATE_PART( <text>, <time> ) function.</span></div></li>
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<li><div class="src-line"><a name="a113"></a><span class="src-doc"> *</span></div></li>
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<li><div class="src-line"><a name="a114"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">string </span><span class="src-doc-var">$text </span><span class="src-doc">what to extract</span></div></li>
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<li><div class="src-line"><a name="a115"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">string </span><span class="src-doc-var">$time </span><span class="src-doc">timestamp or interval to extract from</span></div></li>
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<li><div class="src-line"><a name="a116"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span></div></li>
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<li><div class="src-line"><a name="a117"></a><span class="src-doc"> */</span></div></li>
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<li><div class="src-line"><a name="a118"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression_Pgsql.html#methoddate_part">date_part</a><span class="src-sym">(</span><span class="src-var">$text</span><span class="src-sym">, </span><span class="src-var">$time</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a119"></a> <span class="src-key">return </span><span class="src-str">'DATE_PART(' </span>. <span class="src-var">$text </span>. <span class="src-str">', ' </span>. <span class="src-var">$time </span>. <span class="src-str">')'</span><span class="src-sym">;</span></div></li>
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<li><div class="src-line"><a name="a120"></a> <span class="src-sym">}</span></div></li>
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<li><div class="src-line"><a name="a121"></a> </div></li>
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<li><div class="src-line"><a name="a122"></a> </div></li>
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<li><div class="src-line"><a name="a123"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression_Pgsql.html#methodconcat">concat</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
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<li><div class="src-line"><a name="a124"></a> <span class="src-sym">{</span></div></li>
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<li><div class="src-line"><a name="a125"></a> <span class="src-var">$args </span>= <a href="http://www.php.net/func_get_args">func_get_args</a><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a126"></a> </div></li>
|
|
<li><div class="src-line"><a name="a127"></a> <span class="src-key">return </span><a href="http://www.php.net/join">join</a><span class="src-sym">(</span><span class="src-str">' || ' </span><span class="src-sym">, </span><span class="src-var">$args</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a128"></a> <span class="src-sym">}</span></div></li>
|
|
<li><div class="src-line"><a name="a129"></a> <span class="src-doc">/**</span></div></li>
|
|
<li><div class="src-line"><a name="a130"></a><span class="src-doc"> * Returns the SQL string to return the current system date and time.</span></div></li>
|
|
<li><div class="src-line"><a name="a131"></a><span class="src-doc"> *</span></div></li>
|
|
<li><div class="src-line"><a name="a132"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span></div></li>
|
|
<li><div class="src-line"><a name="a133"></a><span class="src-doc"> */</span></div></li>
|
|
<li><div class="src-line"><a name="a134"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression_Pgsql.html#methodnow">now</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
|
|
<li><div class="src-line"><a name="a135"></a> <span class="src-sym">{</span></div></li>
|
|
<li><div class="src-line"><a name="a136"></a> <span class="src-key">return </span><span class="src-str">'LOCALTIMESTAMP(0)'</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a137"></a> <span class="src-sym">}</span></div></li>
|
|
<li><div class="src-line"><a name="a138"></a> <span class="src-doc">/**</span></div></li>
|
|
<li><div class="src-line"><a name="a139"></a><span class="src-doc"> * regexp</span></div></li>
|
|
<li><div class="src-line"><a name="a140"></a><span class="src-doc"> *</span></div></li>
|
|
<li><div class="src-line"><a name="a141"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc"> the regular expression operator</span></div></li>
|
|
<li><div class="src-line"><a name="a142"></a><span class="src-doc"> */</span></div></li>
|
|
<li><div class="src-line"><a name="a143"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression_Pgsql.html#methodregexp">regexp</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
|
|
<li><div class="src-line"><a name="a144"></a> <span class="src-sym">{</span></div></li>
|
|
<li><div class="src-line"><a name="a145"></a> <span class="src-key">return </span><span class="src-str">'SIMILAR TO'</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a146"></a> <span class="src-sym">}</span></div></li>
|
|
<li><div class="src-line"><a name="a147"></a> <span class="src-doc">/**</span></div></li>
|
|
<li><div class="src-line"><a name="a148"></a><span class="src-doc"> * return string to call a function to get random value inside an SQL statement</span></div></li>
|
|
<li><div class="src-line"><a name="a149"></a><span class="src-doc"> *</span></div></li>
|
|
<li><div class="src-line"><a name="a150"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">return </span><span class="src-doc">string to generate float between 0 and 1</span></div></li>
|
|
<li><div class="src-line"><a name="a151"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@access</span><span class="src-doc"> public</span></div></li>
|
|
<li><div class="src-line"><a name="a152"></a><span class="src-doc"> */</span></div></li>
|
|
<li><div class="src-line"><a name="a153"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression_Pgsql.html#methodrandom">random</a><span class="src-sym">(</span><span class="src-sym">)</span></div></li>
|
|
<li><div class="src-line"><a name="a154"></a> <span class="src-sym">{</span></div></li>
|
|
<li><div class="src-line"><a name="a155"></a> <span class="src-key">return </span><span class="src-str">'RANDOM()'</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a156"></a> <span class="src-sym">}</span></div></li>
|
|
<li><div class="src-line"><a name="a157"></a> <span class="src-doc">/**</span></div></li>
|
|
<li><div class="src-line"><a name="a158"></a><span class="src-doc"> * build a pattern matching string</span></div></li>
|
|
<li><div class="src-line"><a name="a159"></a><span class="src-doc"> *</span></div></li>
|
|
<li><div class="src-line"><a name="a160"></a><span class="src-doc"> * EXPERIMENTAL</span></div></li>
|
|
<li><div class="src-line"><a name="a161"></a><span class="src-doc"> *</span></div></li>
|
|
<li><div class="src-line"><a name="a162"></a><span class="src-doc"> * WARNING: this function is experimental and may change signature at</span></div></li>
|
|
<li><div class="src-line"><a name="a163"></a><span class="src-doc"> * any time until labelled as non-experimental</span></div></li>
|
|
<li><div class="src-line"><a name="a164"></a><span class="src-doc"> *</span></div></li>
|
|
<li><div class="src-line"><a name="a165"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@access</span><span class="src-doc"> public</span></div></li>
|
|
<li><div class="src-line"><a name="a166"></a><span class="src-doc"> *</span></div></li>
|
|
<li><div class="src-line"><a name="a167"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">array </span><span class="src-doc-var">$pattern </span><span class="src-doc">even keys are strings, odd are patterns (% and _)</span></div></li>
|
|
<li><div class="src-line"><a name="a168"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">string </span><span class="src-doc-var">$operator </span><span class="src-doc">optional pattern operator (LIKE, ILIKE and maybe others in the future)</span></div></li>
|
|
<li><div class="src-line"><a name="a169"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@param </span><span class="src-doc-type">string </span><span class="src-doc-var">$field </span><span class="src-doc">optional field name that is being matched against</span></div></li>
|
|
<li><div class="src-line"><a name="a170"></a><span class="src-doc"> * (might be required when emulating ILIKE)</span></div></li>
|
|
<li><div class="src-line"><a name="a171"></a><span class="src-doc"> *</span></div></li>
|
|
<li><div class="src-line"><a name="a172"></a><span class="src-doc"> * </span><span class="src-doc-coretag">@return </span><span class="src-doc-type">string </span><span class="src-doc">SQL pattern</span></div></li>
|
|
<li><div class="src-line"><a name="a173"></a><span class="src-doc"> */</span></div></li>
|
|
<li><div class="src-line"><a name="a174"></a> <span class="src-key">public </span><span class="src-key">function </span><a href="../Doctrine/Doctrine_Expression_Pgsql.html#methodmatchPattern">matchPattern</a><span class="src-sym">(</span><span class="src-var">$pattern</span><span class="src-sym">, </span><span class="src-var">$operator </span>= <span class="src-id">null</span><span class="src-sym">, </span><span class="src-var">$field </span>= <span class="src-id">null</span><span class="src-sym">)</span></div></li>
|
|
<li><div class="src-line"><a name="a175"></a> <span class="src-sym">{</span></div></li>
|
|
<li><div class="src-line"><a name="a176"></a> <span class="src-var">$match </span>= <span class="src-str">''</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a177"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-sym">!</span><a href="http://www.php.net/is_null">is_null</a><span class="src-sym">(</span><span class="src-var">$operator</span><span class="src-sym">)) </span><span class="src-sym">{</span></div></li>
|
|
<li><div class="src-line"><a name="a178"></a> <span class="src-var">$field </span>= <a href="http://www.php.net/is_null">is_null</a><span class="src-sym">(</span><span class="src-var">$field</span><span class="src-sym">) </span>? <span class="src-str">'' </span>: <span class="src-var">$field</span>.<span class="src-str">' '</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a179"></a> <span class="src-var">$operator </span>= <a href="http://www.php.net/strtoupper">strtoupper</a><span class="src-sym">(</span><span class="src-var">$operator</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a180"></a> <span class="src-key">switch </span><span class="src-sym">(</span><span class="src-var">$operator</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
|
|
<li><div class="src-line"><a name="a181"></a> <span class="src-comm">// case insensitive</span></div></li>
|
|
<li><div class="src-line"><a name="a182"></a> <span class="src-key">case </span><span class="src-str">'ILIKE'</span>:</div></li>
|
|
<li><div class="src-line"><a name="a183"></a> <span class="src-var">$match </span>= <span class="src-var">$field</span>.<span class="src-str">'ILIKE '</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a184"></a> <span class="src-key">break</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a185"></a> <span class="src-comm">// case sensitive</span></div></li>
|
|
<li><div class="src-line"><a name="a186"></a> <span class="src-key">case </span><span class="src-str">'LIKE'</span>:</div></li>
|
|
<li><div class="src-line"><a name="a187"></a> <span class="src-var">$match </span>= <span class="src-var">$field</span>.<span class="src-str">'LIKE '</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a188"></a> <span class="src-key">break</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a189"></a> <span class="src-key">default</span>:</div></li>
|
|
<li><div class="src-line"><a name="a190"></a> throw <span class="src-key">new </span><span class="src-id">Doctrine_Expression_Pgsql_Exception</span><span class="src-sym">(</span><span class="src-str">'not a supported operator type:'</span>. <span class="src-var">$operator</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a191"></a> <span class="src-sym">}</span></div></li>
|
|
<li><div class="src-line"><a name="a192"></a> <span class="src-sym">}</span></div></li>
|
|
<li><div class="src-line"><a name="a193"></a> <span class="src-var">$match</span>.= <span class="src-str">"'"</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a194"></a> <span class="src-key">foreach </span><span class="src-sym">(</span><span class="src-var">$pattern </span><span class="src-key">as </span><span class="src-var">$key </span>=> <span class="src-var">$value</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
|
|
<li><div class="src-line"><a name="a195"></a> <span class="src-key">if </span><span class="src-sym">(</span><span class="src-var">$key </span>% <span class="src-num">2</span><span class="src-sym">) </span><span class="src-sym">{</span></div></li>
|
|
<li><div class="src-line"><a name="a196"></a> <span class="src-var">$match</span>.= <span class="src-var">$value</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a197"></a> <span class="src-sym">} </span><span class="src-key">else </span><span class="src-sym">{</span></div></li>
|
|
<li><div class="src-line"><a name="a198"></a> <span class="src-var">$match</span>.= <span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Connection_Module.html#var$conn">conn</a><span class="src-sym">-></span><span class="src-id">escapePattern</span><span class="src-sym">(</span><span class="src-var">$this</span><span class="src-sym">-></span><a href="../Doctrine/Doctrine_Connection_Module.html#var$conn">conn</a><span class="src-sym">-></span><span class="src-id">escape</span><span class="src-sym">(</span><span class="src-var">$value</span><span class="src-sym">))</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a199"></a> <span class="src-sym">}</span></div></li>
|
|
<li><div class="src-line"><a name="a200"></a> <span class="src-sym">}</span></div></li>
|
|
<li><div class="src-line"><a name="a201"></a> <span class="src-var">$match</span>.= <span class="src-str">"'"</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a202"></a> <span class="src-var">$match</span>.= <span class="src-var">$this</span><span class="src-sym">-></span><span class="src-id">patternEscapeString</span><span class="src-sym">(</span><span class="src-sym">)</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a203"></a> <span class="src-key">return </span><span class="src-var">$match</span><span class="src-sym">;</span></div></li>
|
|
<li><div class="src-line"><a name="a204"></a> <span class="src-sym">}</span></div></li>
|
|
<li><div class="src-line"><a name="a205"></a><span class="src-sym">}</span></div></li>
|
|
</ol>
|
|
</span></div>
|
|
</div> |