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94 lines
4.2 KiB
HTML
94 lines
4.2 KiB
HTML
<!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>Get the number of rows affected or returned by a query</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.ingres-num-rows" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ingres_num_rows</h1>
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<p class="verinfo">(PHP 4 >= 4.0.2, PHP 5 < 5.1.0, PECL ingres >= 1.0.0)</p><p class="refpurpose"><span class="refname">ingres_num_rows</span> — <span class="dc-title">Get the number of rows affected or returned by a query</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ingres-num-rows-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>ingres_num_rows</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
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) : <span class="type">int</span></div>
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<p class="para rdfs-comment">
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This function primarily is meant to get the number of rows
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modified in the database. However, it can be used to retrieve the number of
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rows to fetch for a SELECT statement.
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<p class="para">
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If <a href="ingres.configuration.html#ini.ingres.scrollable" class="link">scrollable cursors</a> are disabled and
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this function is called before
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using <span class="function"><a href="ingres_fetch_array.html" class="function">ingres_fetch_array()</a></span>,
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<span class="function"><a href="ingres_fetch_object.html" class="function">ingres_fetch_object()</a></span>, or
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<span class="function"><a href="ingres_fetch_row.html" class="function">ingres_fetch_row()</a></span>, the server will delete
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the result's data and the script will be unable to get them.
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</p>
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<p class="para">
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Instead, you should retrieve the result's data using one of
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these fetch functions in a loop until it returns <strong><code>FALSE</code></strong>,
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indicating that no more results are available.
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</p>
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</p></blockquote>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.ingres-num-rows-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">result</code></dt>
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<dd>
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<p class="para">
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The result identifier for a query
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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.ingres-num-rows-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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For delete, insert, or update queries,
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<span class="function"><strong>ingres_num_rows()</strong></span> returns the number of rows
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affected by the query. For other queries,
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<span class="function"><strong>ingres_num_rows()</strong></span> returns the number of rows
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in the query's result.
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.ingres-num-rows-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="ingres_query.html" class="function" rel="rdfs-seeAlso">ingres_query()</a> - Send an SQL query to Ingres</span></li>
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<li class="member"><span class="function"><a href="ingres_fetch_array.html" class="function" rel="rdfs-seeAlso">ingres_fetch_array()</a> - Fetch a row of result into an array</span></li>
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<li class="member"><span class="function"><a href="ingres_fetch_assoc.html" class="function" rel="rdfs-seeAlso">ingres_fetch_assoc()</a> - Fetch a row of result into an associative array</span></li>
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<li class="member"><span class="function"><a href="ingres_fetch_object.html" class="function" rel="rdfs-seeAlso">ingres_fetch_object()</a> - Fetch a row of result into an object</span></li>
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<li class="member"><span class="function"><a href="ingres_fetch_row.html" class="function" rel="rdfs-seeAlso">ingres_fetch_row()</a> - Fetch a row of result into an enumerated array</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> |