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145 lines
4.3 KiB
HTML
145 lines
4.3 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>Retrieve statistics about a table</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.odbc-statistics" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">odbc_statistics</h1>
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<p class="verinfo">(PHP 4, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">odbc_statistics</span> — <span class="dc-title">Retrieve statistics about a table</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.odbc-statistics-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>odbc_statistics</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$connection_id</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$qualifier</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$owner</code></span>
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, <span class="methodparam"><span class="type">string</span> <code class="parameter">$table_name</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$unique</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$accuracy</code></span>
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) : <span class="type">resource</span></div>
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<p class="para rdfs-comment">
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Get statistics about a table and its indexes.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.odbc-statistics-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_id</code></dt>
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<dd>
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<p class="para">ODBC 连接标识符，详见
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<span class="function"><a href="odbc_connect.html" class="function">odbc_connect()</a></span>。</p>
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</dd>
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<dt>
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<code class="parameter">qualifier</code></dt>
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<dd>
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<p class="para">
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The qualifier.
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</p>
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</dd>
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<dt>
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<code class="parameter">owner</code></dt>
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<dd>
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<p class="para">
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The owner.
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</p>
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</dd>
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<dt>
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<code class="parameter">table_name</code></dt>
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<dd>
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<p class="para">
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The table name.
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</p>
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</dd>
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<dt>
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<code class="parameter">unique</code></dt>
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<dd>
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<p class="para">
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The unique attribute.
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</p>
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</dd>
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<dt>
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<code class="parameter">accuracy</code></dt>
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<dd>
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<p class="para">
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The accuracy.
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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.odbc-statistics-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns an ODBC result identifier 或者在失败时返回 <strong><code>FALSE</code></strong>.
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</p>
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<p class="para">
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The result set has the following columns:
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<ul class="itemizedlist">
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<li class="listitem"><span class="simpara">TABLE_QUALIFIER</span></li>
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<li class="listitem"><span class="simpara">TABLE_OWNER</span></li>
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<li class="listitem"><span class="simpara">TABLE_NAME</span></li>
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<li class="listitem"><span class="simpara">NON_UNIQUE</span></li>
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<li class="listitem"><span class="simpara">INDEX_QUALIFIER</span></li>
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<li class="listitem"><span class="simpara">INDEX_NAME</span></li>
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<li class="listitem"><span class="simpara">TYPE</span></li>
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<li class="listitem"><span class="simpara">SEQ_IN_INDEX</span></li>
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<li class="listitem"><span class="simpara">COLUMN_NAME</span></li>
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<li class="listitem"><span class="simpara">COLLATION</span></li>
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<li class="listitem"><span class="simpara">CARDINALITY</span></li>
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<li class="listitem"><span class="simpara">PAGES</span></li>
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<li class="listitem"><span class="simpara">FILTER_CONDITION</span></li>
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</ul>
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</p>
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<p class="simpara">
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The result set is ordered by NON_UNIQUE, TYPE, INDEX_QUALIFIER,
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INDEX_NAME and SEQ_IN_INDEX.
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</p>
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</div>
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</div></div></div></body></html> |