<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Roll back a transaction</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.cubrid-put.html">cubrid_put</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.cubrid-schema.html">cubrid_schema</a></div> <div class="up"><a href="ref.cubrid.html">CUBRID Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.cubrid-rollback" class="refentry"> <div class="refnamediv"> <h1 class="refname">cubrid_rollback</h1> <p class="verinfo">(PECL CUBRID >= 8.3.0)</p><p class="refpurpose"><span class="refname">cubrid_rollback</span> — <span class="dc-title">Roll back a transaction</span></p> </div> <div class="refsect1 description" id="refsect1-function.cubrid-rollback-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><strong>cubrid_rollback</strong></span> ( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$conn_identifier</code></span> )</div> <p class="para rdfs-comment"> The <span class="function"><strong>cubrid_rollback()</strong></span> function executes rollback on the transaction pointed by <em><code class="parameter">conn_identifier</code></em>, currently in progress. </p> <p class="para"> Connection to server is closed after calling <span class="function"><strong>cubrid_rollback()</strong></span>. Connection handle, however, is still valid. </p> </div> <div class="refsect1 parameters" id="refsect1-function.cubrid-rollback-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">conn_identifier</code></em></span> <dd> <p class="para">Connection identifier.</p></dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.cubrid-rollback-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> <strong><code>TRUE</code></strong>, when process is successful. </p> <p class="para"> <strong><code>FALSE</code></strong>, when process is unsuccessful. </p> </div> <div class="refsect1 examples" id="refsect1-function.cubrid-rollback-examples"> <h3 class="title">Examples</h3> <div class="example" id="example-1054"> <p><strong>Example #1 <span class="function"><strong>cubrid_rollback()</strong></span> example</strong></p> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"127.0.0.1"</span><span style="color: #007700">, </span><span style="color: #0000BB">33000</span><span style="color: #007700">, </span><span style="color: #DD0000">"demodb"</span><span style="color: #007700">, </span><span style="color: #DD0000">"dba"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_set_autocommit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,</span><span style="color: #0000BB">false</span><span style="color: #007700">);<br /><br />@</span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"DROP TABLE publishers"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$sql </span><span style="color: #007700">= <<<EOD<br /></span><span style="color: #DD0000">CREATE TABLE publishers(<br />pub_id CHAR(3), <br />pub_name VARCHAR(20), <br />city VARCHAR(15), <br />state CHAR(2), <br />country VARCHAR(15)<br />)<br /></span><span style="color: #007700">EOD;<br /><br />if (!</span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">$sql</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"Error facility: %d\nError code: %d\nError msg: %s\n"</span><span style="color: #007700">, </span><span style="color: #0000BB">cubrid_error_code_facility</span><span style="color: #007700">(), </span><span style="color: #0000BB">cubrid_error_code</span><span style="color: #007700">(), </span><span style="color: #0000BB">cubrid_error_msg</span><span style="color: #007700">());<br /><br /> </span><span style="color: #0000BB">cubrid_disconnect</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /> exit;<br />}<br /><br /></span><span style="color: #0000BB">$req </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_prepare</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"INSERT INTO publishers VALUES(?, ?, ?, ?, ?)"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$id_list </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"P01"</span><span style="color: #007700">, </span><span style="color: #DD0000">"P02"</span><span style="color: #007700">, </span><span style="color: #DD0000">"P03"</span><span style="color: #007700">, </span><span style="color: #DD0000">"P04"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$name_list </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"Abatis Publishers"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Core Dump Books"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Schadenfreude Press"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Tenterhooks Press"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$city_list </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"New York"</span><span style="color: #007700">, </span><span style="color: #DD0000">"San Francisco"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Hamburg"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Berkeley"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$state_list </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"NY"</span><span style="color: #007700">, </span><span style="color: #DD0000">"CA"</span><span style="color: #007700">, </span><span style="color: #0000BB">NULL</span><span style="color: #007700">, </span><span style="color: #DD0000">"CA"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$country_list </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"USA"</span><span style="color: #007700">, </span><span style="color: #DD0000">"USA"</span><span style="color: #007700">, </span><span style="color: #DD0000">"Germany"</span><span style="color: #007700">, </span><span style="color: #DD0000">"USA"</span><span style="color: #007700">);<br /><br />for (</span><span style="color: #0000BB">$i </span><span style="color: #007700">= </span><span style="color: #0000BB">0</span><span style="color: #007700">, </span><span style="color: #0000BB">$size </span><span style="color: #007700">= </span><span style="color: #0000BB">count</span><span style="color: #007700">(</span><span style="color: #0000BB">$id_list</span><span style="color: #007700">); </span><span style="color: #0000BB">$i </span><span style="color: #007700">< </span><span style="color: #0000BB">$size</span><span style="color: #007700">; </span><span style="color: #0000BB">$i</span><span style="color: #007700">++) {<br /> </span><span style="color: #0000BB">cubrid_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #0000BB">$id_list</span><span style="color: #007700">[</span><span style="color: #0000BB">$i</span><span style="color: #007700">]);<br /> </span><span style="color: #0000BB">cubrid_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #0000BB">$name_list</span><span style="color: #007700">[</span><span style="color: #0000BB">$i</span><span style="color: #007700">]);<br /> </span><span style="color: #0000BB">cubrid_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">3</span><span style="color: #007700">, </span><span style="color: #0000BB">$city_list</span><span style="color: #007700">[</span><span style="color: #0000BB">$i</span><span style="color: #007700">]);<br /> </span><span style="color: #0000BB">cubrid_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">4</span><span style="color: #007700">, </span><span style="color: #0000BB">$state_list</span><span style="color: #007700">[</span><span style="color: #0000BB">$i</span><span style="color: #007700">]);<br /> </span><span style="color: #0000BB">cubrid_bind</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">, </span><span style="color: #0000BB">5</span><span style="color: #007700">, </span><span style="color: #0000BB">$country_list</span><span style="color: #007700">[</span><span style="color: #0000BB">$i</span><span style="color: #007700">]);<br /><br /> if (!(</span><span style="color: #0000BB">$ret </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">))) {<br /> break;<br /> }<br />}<br /><br />if (!</span><span style="color: #0000BB">$ret</span><span style="color: #007700">) {<br /> </span><span style="color: #0000BB">cubrid_rollback</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br />} else {<br /> </span><span style="color: #0000BB">cubrid_commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /> </span><span style="color: #0000BB">$req </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #DD0000">"SELECT * FROM publishers"</span><span style="color: #007700">);<br /> while (</span><span style="color: #0000BB">$result </span><span style="color: #007700">= </span><span style="color: #0000BB">cubrid_fetch_assoc</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">)) {<br /> </span><span style="color: #0000BB">printf</span><span style="color: #007700">(</span><span style="color: #DD0000">"%-3s %-20s %-15s %-3s %-15s\n"</span><span style="color: #007700">, <br /> </span><span style="color: #0000BB">$result</span><span style="color: #007700">[</span><span style="color: #DD0000">"pub_id"</span><span style="color: #007700">], </span><span style="color: #0000BB">$result</span><span style="color: #007700">[</span><span style="color: #DD0000">"pub_name"</span><span style="color: #007700">], </span><span style="color: #0000BB">$result</span><span style="color: #007700">[</span><span style="color: #DD0000">"city"</span><span style="color: #007700">], </span><span style="color: #0000BB">$result</span><span style="color: #007700">[</span><span style="color: #DD0000">"state"</span><span style="color: #007700">], </span><span style="color: #0000BB">$result</span><span style="color: #007700">[</span><span style="color: #DD0000">"country"</span><span style="color: #007700">]);<br /> }<br />}<br /><br /></span><span style="color: #0000BB">cubrid_disconnect</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> <div class="example-contents"><p>The above example will output:</p></div> <div class="example-contents screen"> <div class="cdata"><pre> P01 Abatis Publishers New York NY USA P02 Core Dump Books San Francisco CA USA P03 Schadenfreude Press Hamburg Germany P04 Tenterhooks Press Berkeley CA USA </pre></div> </div> </div> </div> <div class="refsect1 seealso" id="refsect1-function.cubrid-rollback-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.cubrid-commit.html" class="function" rel="rdfs-seeAlso">cubrid_commit()</a> - Commit a transaction</span></li> <li class="member"> <span class="function"><a href="function.cubrid-disconnect.html" class="function" rel="rdfs-seeAlso">cubrid_disconnect()</a> - Close a database connection</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.cubrid-put.html">cubrid_put</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.cubrid-schema.html">cubrid_schema</a></div> <div class="up"><a href="ref.cubrid.html">CUBRID Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>