function.db2-lob-read.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Gets a user defined size of LOB files with each invocation</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.db2-get-option.html">db2_get_option</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.db2-next-result.html">db2_next_result</a></div> <div class="up"><a href="ref.ibm-db2.html">IBM DB2 Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.db2-lob-read" class="refentry"> <div class="refnamediv"> <h1 class="refname">db2_lob_read</h1> <p class="verinfo">(PECL ibm_db2:1.6.0-1.6.2)</p><p class="refpurpose"><span class="refname">db2_lob_read</span> — <span class="dc-title"> Gets a user defined size of LOB files with each invocation </span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">string</span> <span class="methodname"><b><b>db2_lob_read</b></b></span> ( <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$stmt</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$colnum</tt></span> , <span class="methodparam"><span class="type">int</span> <tt class="parameter">$length</tt></span> )</div> <p class="para rdfs-comment"> Use <b>db2_lob_read()</b> to iterate through a specified column of a result set and retrieve a user defined size of LOB data. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">stmt</tt></i></span> <dd> <p class="para"> A valid <i>stmt</i> resource containing LOB data. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">colnum</tt></i></span> <dd> <p class="para"> A valid column number in the result set of the <i>stmt</i> resource. </p> </dd> </dt> <dt> <span class="term"><i><tt class="parameter">length</tt></i></span> <dd> <p class="para"> The size of the LOB data to be retrieved from the <i>stmt</i> resource. </p>⌨️ 快捷键说明
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