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111 lines
4.7 KiB
HTML
111 lines
4.7 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 precision of a field</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-field-precision" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ingres_field_precision</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_field_precision</span> — <span class="dc-title">Get the precision of a field</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ingres-field-precision-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_field_precision</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$result</code></span>
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, <span class="methodparam"><span class="type">int</span> <code class="parameter">$index</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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<span class="function"><strong>ingres_field_precision()</strong></span> returns the precision
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of a field. This value is used only for decimal, float, and money
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SQL data types. For detailed information, see the Ingres <em>OpenAPI
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User Guide</em>, Appendix "Data Types" in the Ingres documentation.
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</p>
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<blockquote class="note"><p><strong class="note">Note</strong>:
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<strong>Related Configurations</strong><br />
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<p class="para">
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See <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a>
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in <a href="ingres.configuration.html" class="link">Runtime Configuration</a>
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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-field-precision-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 query result identifier
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</p>
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</dd>
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<dt>
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<code class="parameter">index</code></dt>
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<dd>
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<p class="para">
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<code class="parameter">index</code> is the field whose precision will be
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retrieved.
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</p>
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<p class="para">
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The possible values of <code class="parameter">index</code> depend upon
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the value
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of <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a>.
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If <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a>
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is <em>1</em> (the default)
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then <code class="parameter">index</code> must be
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between <em>1</em> and the value returned
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by <span class="function"><a href="ingres_num_fields.html" class="function">ingres_num_fields()</a></span>. If <a href="ingres.configuration.html#ini.ingres.array-index-start" class="link">ingres.array_index_start</a>
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is <em>0</em> then <code class="parameter">index</code> must
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be between <em>0</em>
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and <span class="function"><a href="ingres_num_fields.html" class="function">ingres_num_fields()</a></span><em> -
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1</em>.
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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-field-precision-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 field precision as an integer
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.ingres-field-precision-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> |