80 lines
4.4 KiB
HTML
80 lines
4.4 KiB
HTML
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<?xml version="1.0" encoding="utf-8"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" lang="en-US" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="dc.language" scheme="rfc1766" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<meta name="dc.date" scheme="iso8601" content="2005-09-06" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow"/>
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<title>Directory Server (LDAP) - Generalized and UTC time</title>
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<link rel="stylesheet" type="text/css" href="ibmidwb.css" />
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<link rel="stylesheet" type="text/css" href="ic.css" />
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</head>
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<body>
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<a id="Top_Of_Page" name="Top_Of_Page"></a><!-- Java sync-link -->
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<script language = "Javascript" src = "../rzahg/synch.js" type="text/javascript"></script>
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<a name="rzahyutctime"></a>
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<h3 id="rzahyutctime">Generalized and UTC time</h3>
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<p>There are different notations used to designate date and time-related information.
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For example, the fourth day of February in the year 1999 can be written as:</p>
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<pre class="xmp">2/4/99
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4/2/99
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99/2/4
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4.2.1999
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04-FEB-1999</pre><p class="indatacontent">as well as many other notations.</p>
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<p>Directory Server standardizes the timestamp representation by requiring
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the LDAP servers to support two syntaxes:</p>
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<ul>
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<li>The Generalized Time syntax, which takes the form:
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<pre class="xmp">YYYYMMDDHHMMSS[.|,fraction][(+|-HHMM)|Z]</pre>There are 4 digits for the year, 2 digits each for the month, day, hour,
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minute, and second, and an optional fraction of a second. Without any further
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additions, a date and time is assumed to be in a local time zone. To indicate
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that a time is measured in Coordinated Universal Time, append a capital
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letter Z to a time or a local time differential. For example:
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<pre class="xmp"> "19991106210627.3"</pre>which in local time is 6 minutes, 27.3 seconds after
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9 p.m. on 6 November 1999.
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<pre class="xmp">"19991106210627.3Z"</pre>which
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is the coordinated universal time.
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<pre class="xmp">"19991106210627.3-0500"</pre>which is local time as in the first example, with a 5 hour difference
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in relation to the coordinated universal time.
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<p>If you designate an optional
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fraction of a second, a period or a comma is required. For local time differential,
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a '+' or a '-' must precede the hour-minute value</p></li>
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<li>The Universal time syntax, which takes the form:
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<pre class="xmp">YYMMDDHHMM[SS][(+ | -)HHMM)|Z]</pre>There are 2 digits each for the year, month, day, hour, minute, and
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optional second fields. As in GeneralizedTime, an optional time differential
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can be specified. For example, if local time is a.m. on 2 January 1999 and
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the coordinated universal time is 12 noon on 2 January 1999, the value of
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UTCTime is either:
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<pre class="xmp">"9901021200Z"
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or
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"9901020700-0500"</pre>If the local time is a.m. on 2 January 2001 and the
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coordinated universal time is 12 noon on 2 January 2001, the value of UTCTime
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is either:
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<pre class="xmp">"0101021200Z"
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or
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"0101020700-0500"</pre>UTCTime allows only 2 digits for the year value, therefore
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the usage is not recommended.</li></ul>
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<p>The supported matching rules are generalizedTimeMatch for equality and
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generalizedTimeOrderingMatch for inequality. Substring search is not allowed.
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For example, the following filters are valid:</p>
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<pre class="xmp"> generalized-timestamp-attribute=199910061030
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utc-timestamp-attribute>=991006
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generalized-timestamp-attribute=*</pre><p class="indatacontent">The following filters are
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not valid: </p>
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<pre class="xmp">generalized-timestamp-attribute=1999*
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utc-timestamp-attribute>=*1010</pre>
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<a id="Bot_Of_Page" name="Bot_Of_Page"></a>
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</body>
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</html>
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