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<!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>根据数组将记录插入表中</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-copy-from" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">pg_copy_from</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_copy_from</span> — <span class="dc-title">
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根据数组将记录插入表中
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.pg-copy-from-description">
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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_copy_from</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$table_name</code></span>
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, <span class="methodparam"><span class="type">array</span> <code class="parameter">$rows</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$delimiter</code></span>
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[, <span class="methodparam"><span class="type">string</span> <code class="parameter">$null_as</code></span>
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]] ) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>pg_copy_from()</strong></span> 将数组 <code class="parameter">rows</code> 的内容作为记录插入表中。它在内部使用了 <em>COPY FROM</em> SQL 命令来插入记录。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.pg-copy-from-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">connection</code></dt>
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<dd>
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<p class="para">
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PostgreSQL database connection resource.
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</p>
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</dd>
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<dt>
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<code class="parameter">table_name</code></dt>
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<dd>
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<p class="para">
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Name of the table into which to copy the <code class="parameter">rows</code>.
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</p>
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</dd>
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<dt>
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<code class="parameter">rows</code></dt>
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<dd>
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<p class="para">
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An <span class="type"><a href="language.types.array.html" class="type array">array</a></span> of data to be copied into <code class="parameter">table_name</code>.
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Each value in <code class="parameter">rows</code> becomes a row in <code class="parameter">table_name</code>.
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Each value in <code class="parameter">rows</code> should be a delimited string of the values
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to insert into each field. Values should be linefeed terminated.
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</p>
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</dd>
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<dt>
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<code class="parameter">delimiter</code></dt>
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<dd>
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<p class="para">
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The token that separates values for each field in each element of
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<code class="parameter">rows</code>. Default is <em>TAB</em>.
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</p>
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</dd>
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<dt>
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<code class="parameter">null_as</code></dt>
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<dd>
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<p class="para">
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How SQL <em>NULL</em> values are represented in the
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<code class="parameter">rows</code>. Default is \N ("\N").
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.pg-copy-from-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.pg-copy-from-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-2480">
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<p><strong>Example #1 <span class="function"><strong>pg_copy_from()</strong></span> example</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /> $db </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">"dbname=publisher"</span><span style="color: #007700">) or die(</span><span style="color: #DD0000">"Could not connect"</span><span style="color: #007700">);<br /> <br /> </span><span style="color: #0000BB">$rows </span><span style="color: #007700">= </span><span style="color: #0000BB">pg_copy_to</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">, </span><span style="color: #0000BB">$table_name</span><span style="color: #007700">);<br /> <br /> </span><span style="color: #0000BB">pg_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">, </span><span style="color: #DD0000">"DELETE FROM </span><span style="color: #0000BB">$table_name</span><span style="color: #DD0000">"</span><span style="color: #007700">);<br /> <br /> </span><span style="color: #0000BB">pg_copy_from</span><span style="color: #007700">(</span><span style="color: #0000BB">$db</span><span style="color: #007700">, </span><span style="color: #0000BB">$table_name</span><span style="color: #007700">, </span><span style="color: #0000BB">$rows</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.pg-copy-from-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="pg_copy_to.html" class="function" rel="rdfs-seeAlso">pg_copy_to()</a> - 将一个表拷贝到数组中</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |