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<!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>Set environment features controlling output options</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-set-environment" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">ingres_set_environment</h1>
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<p class="verinfo">(PECL ingres >= 1.2.0)</p><p class="refpurpose"><span class="refname">ingres_set_environment</span> — <span class="dc-title">Set environment features controlling output options</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.ingres-set-environment-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_set_environment</strong></span>
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( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link</code></span>
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, <span class="methodparam"><span class="type">array</span> <code class="parameter">$options</code></span>
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) : <span class="type">bool</span></div>
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<p class="para rdfs-comment">
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<span class="function"><strong>ingres_set_environment()</strong></span> is called to set environmental
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options that affect the output of certain values from Ingres, such as the
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timezone, date format, decimal character separator, and float precision.
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.ingres-set-environment-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">link</code></dt>
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<dd>
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<p class="para">
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The connection link identifier
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</p>
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</dd>
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<dt id="function.ingres-set-environment.options"><code class="parameter">options</code></dt>
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<dd>
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<p class="para">
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An enumerated <span class="type"><a href="language.types.array.html" class="type array">array</a></span> of option name/value pairs. The following table
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lists the option name and the expected type
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</p>
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<p class="para">
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<table class="doctable informaltable">
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<thead>
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<tr style="vertical-align: top;">
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<th>Option name</th>
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<th>Option type</th>
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<th>Description</th>
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<th>Example</th>
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</tr>
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</thead>
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<tbody class="tbody">
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<tr style="vertical-align: top;">
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<td>date_century_boundary</td>
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<td><span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span></td>
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<td>The threshold by which a 2-digit year is determined to be in
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the current century or in the next century. Equivalent to II_DATE_CENTURY_BOUNDARY</td>
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<td>50</td>
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</tr>
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<tr style="vertical-align: top;">
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<td>timezone</td>
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<td><span class="type"><a href="language.types.string.html" class="type string">string</a></span></td>
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<td>Controls the timezone of the session. If not set, it will
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default the value defined by II_TIMEZONE_NAME. If
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II_TIMEZONE_NAME is not defined, NA-PACIFIC (GMT-8 with Daylight
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Savings) is used.</td>
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<td>UNITED-KINGDOM</td>
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</tr>
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<tr style="vertical-align: top;">
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<td>date_format</td>
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<td><span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span></td>
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<td><p class="para">Sets the allowable input and output format for Ingres dates.
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Defaults to the value defined by II_DATE_FORMAT. If II_DATE_FORMAT is
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not set, the default date format is US, for example mm/dd/yy. Valid values
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for date_format are:
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<ul class="itemizedlist">
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<li class="listitem"><span class="simpara">INGRES_DATE_DMY</span></li>
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<li class="listitem"><span class="simpara">INGRES_DATE_FINISH</span></li>
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<li class="listitem"><span class="simpara">INGRES_DATE_GERMAN</span></li>
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<li class="listitem"><span class="simpara">INGRES_DATE_ISO</span></li>
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<li class="listitem"><span class="simpara">INGRES_DATE_ISO4</span></li>
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<li class="listitem"><span class="simpara">INGRES_DATE_MDY</span></li>
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<li class="listitem"><span class="simpara">INGRES_DATE_MULTINATIONAL</span></li>
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<li class="listitem"><span class="simpara">INGRES_DATE_MULTINATIONAL4</span></li>
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<li class="listitem"><span class="simpara">INGRES_DATE_YMD</span></li>
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<li class="listitem"><span class="simpara">INGRES_DATE_US</span></li>
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</ul>
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</p>
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</td>
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<td>INGRES_DATE_ISO4</td>
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</tr>
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<tr style="vertical-align: top;">
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<td>decimal_separator</td>
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<td><span class="type"><a href="language.types.string.html" class="type string">string</a></span></td>
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<td>The character identifier for decimal data</td>
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<td>","</td>
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</tr>
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<tr style="vertical-align: top;">
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<td>money_lort</td>
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<td><span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span></td>
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<td><p class="para">Leading or trailing currency sign. Valid values for money_lort
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are:
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<ul class="itemizedlist">
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<li class="listitem"><span class="simpara">INGRES_MONEY_LEADING</span></li>
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<li class="listitem"><span class="simpara">INGRES_MONEY_TRAILING</span></li>
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</ul>
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</p>
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</td>
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<td>INGRES_MONEY_LEADING</td>
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</tr>
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<tr style="vertical-align: top;">
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<td>money_sign</td>
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<td><span class="type"><a href="language.types.string.html" class="type string">string</a></span></td>
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<td>The currency symbol to be used with the MONEY datatype</td>
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<td>€</td>
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</tr>
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<tr style="vertical-align: top;">
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<td>money_precision</td>
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<td><span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span></td>
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<td>The precision of the MONEY datatype</td>
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<td>2</td>
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</tr>
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<tr style="vertical-align: top;">
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<td>float4_precision</td>
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<td><span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span></td>
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<td>Precision of the FLOAT4 datatype</td>
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<td>10</td>
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</tr>
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<tr style="vertical-align: top;">
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<td>float8_precision</td>
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<td><span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span></td>
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<td>Precision of the FLOAT8 data</td>
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<td>10</td>
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</tr>
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<tr style="vertical-align: top;">
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<td>blob_segment_length</td>
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<td><span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span></td>
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<td>The amount of data in bytes to fetch at a time when retrieving
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BLOB or CLOB data. Defaults to 4096 bytes when not set explicitly</td>
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<td>8192</td>
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</tr>
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</tbody>
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</table>
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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-set-environment-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
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</p>
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</div>
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<div class="refsect1 examples" id="refsect1-function.ingres-set-environment-examples">
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<h3 class="title">范例</h3>
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<p class="para">
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<div class="example" id="example-1314">
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<p><strong>Example #1 Set date_format to ISO4</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br />$options </span><span style="color: #007700">= array( </span><span style="color: #DD0000">"date_format" </span><span style="color: #007700">=> </span><span style="color: #0000BB">INGRES_DATE_ISO4 </span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">ingres_set_environment</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$options</span><span style="color: #007700">))<br />{<br /> </span><span style="color: #0000BB">$result</span><span style="color: #007700">=</span><span style="color: #0000BB">ingres_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,</span><span style="color: #DD0000">"select date('now') as date"</span><span style="color: #007700">);<br /><br /> while ( </span><span style="color: #0000BB">$object </span><span style="color: #007700">= </span><span style="color: #0000BB">ingres_fetch_object </span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">) ) {<br /> echo </span><span style="color: #0000BB">$object</span><span style="color: #007700">-></span><span style="color: #0000BB">date</span><span style="color: #007700">.</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> }<br />}<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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<div class="example" id="example-1315">
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<p><strong>Example #2 Set timezone to HONG-KONG</strong></p>
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<div class="example-contents">
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<div class="phpcode"><pre><span style="color: #000000">
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<span style="color: #0000BB"><?php<br /><br />$options </span><span style="color: #007700">= array( </span><span style="color: #DD0000">"timezone" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"HONG-KONG"</span><span style="color: #007700">);<br /><br />if (</span><span style="color: #0000BB">ingres_set_environment</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">, </span><span style="color: #0000BB">$options</span><span style="color: #007700">))<br />{<br /> </span><span style="color: #0000BB">$result</span><span style="color: #007700">=</span><span style="color: #0000BB">ingres_query</span><span style="color: #007700">(</span><span style="color: #0000BB">$link</span><span style="color: #007700">,</span><span style="color: #DD0000">"select date('now') as date"</span><span style="color: #007700">);<br /><br /> while ( </span><span style="color: #0000BB">$object </span><span style="color: #007700">= </span><span style="color: #0000BB">ingres_fetch_object </span><span style="color: #007700">(</span><span style="color: #0000BB">$result</span><span style="color: #007700">) ) {<br /> echo </span><span style="color: #0000BB">$object</span><span style="color: #007700">-></span><span style="color: #0000BB">date</span><span style="color: #007700">.</span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /> }<br />}<br /></span><span style="color: #0000BB">?></span>
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</span>
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</pre></div>
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</div>
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</div>
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.ingres-set-environment-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_connect.html" class="function" rel="rdfs-seeAlso">ingres_connect()</a> - Open a connection to an Ingres database</span></li>
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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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</ul>
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</p>
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</div>
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</div></div></div></body></html> |