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docs/php/oci_set_db_operation.html
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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>Sets the database operation</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.oci-set-db-operation" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">oci_set_db_operation</h1>
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<p class="verinfo">(PHP 7 >= 7.2.14, PHP 7.3.1 > 7.3 PECL OCI8 >= 2.2.0)</p><p class="refpurpose"><span class="refname">oci_set_db_operation</span> — <span class="dc-title">Sets the database operation</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.oci-set-db-operation-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>oci_set_db_operation</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$dbop</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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Sets the DBOP for Oracle tracing.
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</p>
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<p class="para">
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The database operation name is registered with the database when the next
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'round-trip' from PHP to the database occurs, typically when a SQL
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statement is executed.
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</p>
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<p class="para">
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The database operation can subsequently be queried from database administration
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views such as <em>V$SQL_MONITOR</em>.
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</p>
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<p class="para">
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The <span class="function"><strong>oci_set_db_operation()</strong></span> function is available
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when OCI8 uses Oracle 12 (or later) Client libraries and Oracle Database 12 (or later).
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.oci-set-db-operation-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">Oracle 连接标识，由
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<span class="function"><a href="oci_connect.html" class="function">oci_connect()</a></span>，<span class="function"><a href="oci_pconnect.html" class="function">oci_pconnect()</a></span>，或
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<span class="function"><a href="oci_new_connect.html" class="function">oci_new_connect()</a></span> 返回。</p>
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</dd>
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<dt>
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<code class="parameter">dbop</code></dt>
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<dd>
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<p class="para">
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User chosen string.
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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.oci-set-db-operation-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.oci-set-db-operation-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-2458">
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<p><strong>Example #1 Setting the DBOP</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 /><br />$c </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_connect</span><span style="color: #007700">(</span><span style="color: #DD0000">'hr'</span><span style="color: #007700">, </span><span style="color: #DD0000">'welcome'</span><span style="color: #007700">, </span><span style="color: #DD0000">'localhost/XE'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Record the operation<br /></span><span style="color: #0000BB">oci_set_db_operation</span><span style="color: #007700">(</span><span style="color: #0000BB">$c</span><span style="color: #007700">, </span><span style="color: #DD0000">'main query'</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">// Code that causes a round-trip, for example a query:<br /></span><span style="color: #0000BB">$s </span><span style="color: #007700">= </span><span style="color: #0000BB">oci_parse</span><span style="color: #007700">(</span><span style="color: #0000BB">$c</span><span style="color: #007700">, </span><span style="color: #DD0000">'select * from dual'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_execute</span><span style="color: #007700">(</span><span style="color: #0000BB">$s</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">oci_fetch_all</span><span style="color: #007700">(</span><span style="color: #0000BB">$s</span><span style="color: #007700">, </span><span style="color: #0000BB">$res</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">sleep</span><span style="color: #007700">(</span><span style="color: #0000BB">30</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 screen">
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<div class="cdata"><pre>
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// While the script is running, the administrator can see the database operations
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// being performed:
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sqlplus system/welcome
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SQL> select dbop_name from v$sql_monitor;
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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 notes" id="refsect1-function.oci-set-db-operation-notes">
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<h3 class="title">注释</h3>
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<div class="caution"><strong class="caution">Caution</strong><h1 class="title">Roundtrip Gotcha</h1>
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<p class="para">一些 OCI8 函数会导致 Roundtrips. 对数据库来说当启用结果缓存时，查询可能不产生Roundtrips。</p></div>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.oci-set-db-operation-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="oci_set_action.html" class="function" rel="rdfs-seeAlso">oci_set_action()</a> - Sets the action name</span></li>
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<li class="member"><span class="function"><a href="oci_set_module_name.html" class="function" rel="rdfs-seeAlso">oci_set_module_name()</a> - Sets the module name</span></li>
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<li class="member"><span class="function"><a href="oci_set_client_info.html" class="function" rel="rdfs-seeAlso">oci_set_client_info()</a> - Sets the client information</span></li>
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<li class="member"><span class="function"><a href="oci_set_client_identifier.html" class="function" rel="rdfs-seeAlso">oci_set_client_identifier()</a> - Sets the client identifier</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>
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