function.ingres-num-rows.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>Get the number of rows affected or returned by the last query</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.ingres-num-fields.html">ingres_num_fields</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ingres-pconnect.html">ingres_pconnect</a></div> <div class="up"><a href="ref.ingres.html">Ingres II Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="function.ingres-num-rows" class="refentry"> <div class="refnamediv"> <h1 class="refname">ingres_num_rows</h1> <p class="verinfo">(PHP 4 >= 4.0.2, PHP 5 <= 5.0.5, PECL ingres:1.0-1.4.3)</p><p class="refpurpose"><span class="refname">ingres_num_rows</span> — <span class="dc-title">Get the number of rows affected or returned by the last query</span></p> </div> <div class="refsect1 description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><b><b>ingres_num_rows</b></b></span> ([ <span class="methodparam"><span class="type">resource</span> <tt class="parameter">$link</tt></span> ] )</div> <p class="para rdfs-comment"> This function is mainly meant to get the number of rows modified in the database. If this function is called before using <a href="function.ingres-fetch-array.html" class="function">ingres_fetch_array()</a>, <a href="function.ingres-fetch-object.html" class="function">ingres_fetch_object()</a> or <a href="function.ingres-fetch-row.html" class="function">ingres_fetch_row()</a> the server will delete the result's data and the script won't be able to get them. </p> <p class="para"> You should instead retrieve the result's data using one of these fetch functions in a loop until it returns <b><tt>FALSE</tt></b>, indicating that no more results are available. </p> </div> <div class="refsect1 parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><i><tt class="parameter">link</tt></i></span> <dd> <p class="para"> The connection link identifier. If not specified, the last opened link is used. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> For delete, insert or update queries, <b>ingres_num_rows()</b> returns the number of rows affected by the query. For other queries, <b>ingres_num_rows()</b> returns the number of rows in the query's result. </p> </div> <div class="refsect1 seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"><a href="function.ingres-query.html" class="function" rel="rdfs-seeAlso">ingres_query()</a></li> <li class="member"><a href="function.ingres-fetch-array.html" class="function" rel="rdfs-seeAlso">ingres_fetch_array()</a></li> <li class="member"><a href="function.ingres-fetch-object.html" class="function" rel="rdfs-seeAlso">ingres_fetch_object()</a></li> <li class="member"><a href="function.ingres-fetch-row.html" class="function" rel="rdfs-seeAlso">ingres_fetch_row()</a></li> </ul> </p> </div></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.ingres-num-fields.html">ingres_num_fields</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ingres-pconnect.html">ingres_pconnect</a></div> <div class="up"><a href="ref.ingres.html">Ingres II Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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