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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>Returns or sets the AUTOCOMMIT state for a database connection</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.db2-autocommit" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">db2_autocommit</h1>
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<p class="verinfo">(PECL ibm_db2 >= 1.0.0)</p><p class="refpurpose"><span class="refname">db2_autocommit</span> — <span class="dc-title">
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Returns or sets the AUTOCOMMIT state for a database connection
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</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.db2-autocommit-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>db2_autocommit</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>
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[, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$value</code></span>
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] ) : <span class="type"><a href="language.pseudo-types.html#language.types.mixed" class="type mixed">mixed</a></span></div>
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<p class="para rdfs-comment">
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Sets or gets the AUTOCOMMIT behavior of the specified connection resource.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.db2-autocommit-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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A valid database connection resource variable as returned from
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<span class="function"><a href="db2_connect.html" class="function">db2_connect()</a></span> or <span class="function"><a href="db2_pconnect.html" class="function">db2_pconnect()</a></span>.
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</p>
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</dd>
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<dt>
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<code class="parameter">value</code></dt>
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<dd>
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<p class="para">
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One of the following constants:
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<dl>
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<dt>
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<em>DB2_AUTOCOMMIT_OFF</em></dt>
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<dd>
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<p class="para">
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Turns AUTOCOMMIT off.
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</p>
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</dd>
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<dt>
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<em>DB2_AUTOCOMMIT_ON</em></dt>
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<dd>
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<p class="para">
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Turns AUTOCOMMIT on.
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</p>
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</dd>
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</dl>
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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.db2-autocommit-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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When <span class="function"><strong>db2_autocommit()</strong></span> receives only the
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<code class="parameter">connection</code> parameter, it returns the current state
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of AUTOCOMMIT for the requested connection as an integer value. A value of
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0 indicates that AUTOCOMMIT is off, while a value of 1 indicates that
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AUTOCOMMIT is on.
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</p>
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<p class="para">
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When <span class="function"><strong>db2_autocommit()</strong></span> receives both the
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<code class="parameter">connection</code> parameter and
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<code class="parameter">autocommit</code> parameter, it attempts to set the
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AUTOCOMMIT state of the requested connection to the corresponding state.
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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.db2-autocommit-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-1228">
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<p><strong>Example #1 Retrieving the AUTOCOMMIT value for a connection</strong></p>
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<div class="example-contents"><p>
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In the following example, a connection which has been created with
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AUTOCOMMIT turned off is tested with the
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<span class="function"><strong>db2_autocommit()</strong></span> function.
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</p></div>
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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 />$options </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'autocommit' </span><span style="color: #007700">=> </span><span style="color: #0000BB">DB2_AUTOCOMMIT_OFF</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$database</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$password</span><span style="color: #007700">, </span><span style="color: #0000BB">$options</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$ac </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_autocommit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$ac </span><span style="color: #007700">== </span><span style="color: #0000BB">0</span><span style="color: #007700">) {<br /> print </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$ac</span><span style="color: #DD0000"> -- AUTOCOMMIT is off."</span><span style="color: #007700">;<br />} else {<br /> print </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$ac</span><span style="color: #DD0000"> -- AUTOCOMMIT is on."</span><span style="color: #007700">;<br />}<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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<div class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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0 -- AUTOCOMMIT is off.
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</pre></div>
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</div>
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</div>
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<div class="example" id="example-1229">
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<p><strong>Example #2 Setting the AUTOCOMMIT value for a connection</strong></p>
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<div class="example-contents"><p>
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In the following example, a connection which was initially created with
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AUTOCOMMIT turned off has its behavior changed to turn AUTOCOMMIT on.
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</p></div>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$options </span><span style="color: #007700">= array(</span><span style="color: #DD0000">'autocommit' </span><span style="color: #007700">=> </span><span style="color: #0000BB">DB2_AUTOCOMMIT_OFF</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$conn </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$database</span><span style="color: #007700">, </span><span style="color: #0000BB">$user</span><span style="color: #007700">, </span><span style="color: #0000BB">$password</span><span style="color: #007700">, </span><span style="color: #0000BB">$options</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Turn AUTOCOMMIT on<br /></span><span style="color: #0000BB">$rc </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_autocommit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">, </span><span style="color: #0000BB">DB2_AUTOCOMMIT_ON</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$rc</span><span style="color: #007700">) {<br /> print </span><span style="color: #DD0000">"Turning AUTOCOMMIT on succeeded.\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">// Check AUTOCOMMIT state<br /></span><span style="color: #0000BB">$ac </span><span style="color: #007700">= </span><span style="color: #0000BB">db2_autocommit</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn</span><span style="color: #007700">);<br />if (</span><span style="color: #0000BB">$ac </span><span style="color: #007700">== </span><span style="color: #0000BB">0</span><span style="color: #007700">) {<br /> print </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$ac</span><span style="color: #DD0000"> -- AUTOCOMMIT is off."</span><span style="color: #007700">;<br />} else {<br /> print </span><span style="color: #DD0000">"</span><span style="color: #0000BB">$ac</span><span style="color: #DD0000"> -- AUTOCOMMIT is on."</span><span style="color: #007700">;<br />}<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 class="example-contents"><p>以上例程会输出：</p></div>
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<div class="example-contents screen">
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<div class="cdata"><pre>
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Turning AUTOCOMMIT on succeeded.
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1 -- AUTOCOMMIT is on.
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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.db2-autocommit-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="db2_connect.html" class="function" rel="rdfs-seeAlso">db2_connect()</a> - Returns a connection to a database</span></li>
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<li class="member"><span class="function"><a href="db2_pconnect.html" class="function" rel="rdfs-seeAlso">db2_pconnect()</a> - Returns a persistent connection to a database</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> |