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40 lines
2.2 KiB
HTML
40 lines
2.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>得到某连接的最后一条错误信息</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.pg-last-error" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">pg_last_error</h1>
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<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">pg_last_error</span> — <span class="dc-title">得到某连接的最后一条错误信息</span></p>
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</div>
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<div class="refsect1 unknown-seealsp" id="refsect1-function.pg-last-error-unknown-seealsp">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>pg_last_error</strong></span>
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([ <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>
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] ) : <span class="type">string</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>pg_last_error()</strong></span> 返回指定连接 <code class="parameter">connection</code> 的最后一条错误信息。
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</p>
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<p class="para">
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错误信息可能会被 PostgreSQL(libpq) 的内部函数调用所覆盖。如果 PostgreSQL 的内部模块函数产生了多个错误，则可能不能返回适当的错误信息。
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</p>
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<p class="para">
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使用 <span class="function"><a href="pg_result_error.html" class="function">pg_result_error()</a></span>，<span class="function"><a href="pg_result_status.html" class="function">pg_result_status()</a></span> 和 <span class="function"><a href="pg_connection_status.html" class="function">pg_connection_status()</a></span> 来取得更好的错误处理。
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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本函数以前的名字为 <em>pg_errormessage()</em>。
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</p>
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</p></blockquote>
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<p class="para">
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参见 <span class="function"><a href="pg_result_error.html" class="function">pg_result_error()</a></span>。
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</p>
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</div>
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</div></div></div></body></html> |