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85 lines
3.0 KiB
HTML
85 lines
3.0 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>Returns the database schema</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.px-get-schema" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">px_get_schema</h1>
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<p class="verinfo">(PECL paradox >= 1.0.0)</p><p class="refpurpose"><span class="refname">px_get_schema</span> — <span class="dc-title">Returns the database schema</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.px-get-schema-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>px_get_schema</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$pxdoc</code></span>
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[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$mode</code><span class="initializer"> = 0</span></span>
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] ) : <span class="type">array</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>px_get_schema()</strong></span> returns the database schema.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.px-get-schema-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">pxdoc</code></dt>
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<dd>
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<p class="para">
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Resource identifier of the paradox database
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as returned by <span class="function"><a href="px_new.html" class="function">px_new()</a></span>.
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</p>
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</dd>
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<dt>
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<code class="parameter">mode</code></dt>
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<dd>
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<p class="para">
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If the optional <code class="parameter">mode</code> is
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<strong><code>PX_KEYTOLOWER</code></strong> or
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<strong><code>PX_KEYTOUPPER</code></strong> the keys of the returned array
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will be converted to lower
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or upper case. If <code class="parameter">mode</code> is 0 or not passed at all,
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then the key name will be identical to the field name.
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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.px-get-schema-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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Returns the schema of a database file as an associated array. The key name
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is equal to the field name. Each array element is itself an associated
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array containing the two fields <em>type</em> and
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<em>size</em>. <em>type</em> is one of the constants in
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table <a href="paradox.constants.html#paradox.table-fieldtypes" class="link">Constants for field
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types</a>. <em>size</em> is the number of bytes this field
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consumes in the record. The total of all field sizes is equal to the
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record size as it can be retrieved with <span class="function"><a href="px_get_info.html" class="function">px-get-info()</a></span>.
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</p>
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</div>
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</div></div></div></body></html> |