uTools-Manuals/docs/php/cubrid_affected_rows.html
2019-04-08 23:22:26 +08:00

115 lines
8.2 KiB
HTML

<!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>Return the number of rows affected by the last SQL statement</title>
</head>
<body class="docs"><div id="layout">
<div id="layout-content"><div id="function.cubrid-affected-rows" class="refentry">
<div class="refnamediv">
<h1 class="refname">cubrid_affected_rows</h1>
<p class="verinfo">(PECL CUBRID &gt;= 8.3.0)</p><p class="refpurpose"><span class="refname">cubrid_affected_rows</span> &mdash; <span class="dc-title">Return the number of rows affected by the last SQL statement</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.cubrid-affected-rows-description">
<h3 class="title">说明</h3>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>cubrid_affected_rows</strong></span>
([ <span class="methodparam"><span class="type">resource</span> <code class="parameter">$conn_identifier</code></span>
] ) : <span class="type">int</span></div>
<div class="methodsynopsis dc-description">
<span class="methodname"><strong>cubrid_affected_rows</strong></span>
([ <span class="methodparam"><span class="type">resource</span> <code class="parameter">$req_identifier</code></span>
] ) : <span class="type">int</span></div>
<p class="para rdfs-comment">
The <span class="function"><strong>cubrid_affected_rows()</strong></span> function is used to get the
number of rows affected by the SQL statement (INSERT, DELETE, UPDATE).
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.cubrid-affected-rows-parameters">
<h3 class="title">参数</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">conn_identifier</code></dt>
<dd>
<p class="para">The CUBRID connection. If the connection identifier is not
specified, the last link opend by <span class="function"><a href="cubrid_connect.html" class="function">cubrid_connect()</a></span> is
assumed.</p></dd>
<dt>
<code class="parameter">req_identifier</code></dt>
<dd>
<p class="para">
Request Identifier, could be returned from either <span class="function"><a href="cubrid_prepare.html" class="function">cubrid_prepare()</a></span> or <span class="function"><a href="cubrid_execute.html" class="function">cubrid_execute()</a></span>.
If the request identifier is not specified, the last identifier requested by
<span class="function"><a href="cubrid_prepare.html" class="function">cubrid_prepare()</a></span> or <span class="function"><a href="cubrid_execute.html" class="function">cubrid_execute()</a></span> is assumed.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.cubrid-affected-rows-returnvalues">
<h3 class="title">返回值</h3>
<p class="para">
Number of rows affected by the SQL statement, when process is successful.
</p>
<p class="para">
-1, when SQL statement is not INSERT, DELETE or UPDATE.
</p>
<p class="para">
<strong><code>FALSE</code></strong>, when the request identifier is not specified, and there is no last
request.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.cubrid-affected-rows-examples">
<h3 class="title">范例</h3>
<div class="example" id="example-1153">
<p><strong>Example #1 <span class="function"><strong>cubrid_affected_rows()</strong></span> example</strong></p>
<div class="example-contents">
<div class="phpcode"><pre><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$conn&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'localhost'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">33000</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'demodb'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'dba'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">''</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"DROP&nbsp;TABLE&nbsp;IF&nbsp;EXISTS&nbsp;cubrid_test"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"CREATE&nbsp;TABLE&nbsp;cubrid_test&nbsp;(d&nbsp;varchar)"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$sql_stmt&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">"INSERT&nbsp;INTO&nbsp;cubrid_test(d)&nbsp;VALUES('php-test')"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$req&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_prepare</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$sql_stmt</span><span style="color: #007700">);<br /><br />for&nbsp;(</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">0</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">$i&nbsp;</span><span style="color: #007700">&lt;&nbsp;</span><span style="color: #0000BB">10</span><span style="color: #007700">;&nbsp;</span><span style="color: #0000BB">$i</span><span style="color: #007700">++)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</span><span style="color: #007700">);<br />}<br /></span><span style="color: #0000BB">cubrid_commit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">$req&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">cubrid_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">"DELETE&nbsp;FROM&nbsp;cubrid_test&nbsp;WHERE&nbsp;d='php-test'"</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">CUBRID_ASYNC</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">cubrid_affected_rows</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">cubrid_affected_rows</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">cubrid_affected_rows</span><span style="color: #007700">(</span><span style="color: #0000BB">$req</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 /><br />print&nbsp;</span><span style="color: #DD0000">"done!"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</pre></div>
</div>
<div class="example-contents"><p>以上例程会输出:</p></div>
<div class="example-contents screen">
<div class="cdata"><pre>
Rows deleted: 5
</pre></div>
</div>
</div>
</div>
<div class="refsect1 seealso" id="refsect1-function.cubrid-affected-rows-seealso">
<h3 class="title">参见</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="cubrid_execute.html" class="function" rel="rdfs-seeAlso">cubrid_execute()</a> - Execute a prepared SQL statement</span></li>
</ul>
</p>
</div>
</div></div></div></body></html>