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<property name="context">{/doc/acs-core-docs/ {ACS Core Documentation}} {Variables}</property>
<property name="doc(title)">Variables</property>
<master>
<style>
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Chapter 12. Engineering Standards"
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		    <div class="sect1">
<div class="titlepage"><div><div><h2 class="title" style="clear: both">
<a name="variables" id="variables"></a>Variables</h2></div></div></div><div class="sect2">
<div class="titlepage"><div><div><h3 class="title">
<a name="variables-datetime" id="variables-datetime"></a>Date and Time Variables</h3></div></div></div><div class="authorblurb">
<div class="cvstag">($&zwnj;Id: variables.xml,v 1.3 2006/07/17 05:38:37
torbenb Exp $)</div><p>By <a class="ulink" href="mailto:joel\@aufrecht.org" target="_top">joel\@aufrecht.org</a>
</p>
OpenACS docs are written by the named authors, and may be edited by
OpenACS documentation staff.</div><p>Starting with OpenACS 5.0 and the introduction of acs-lang, we
recommend retrieving date/time information from the database in
ANSI format and then using <a class="ulink" href="/api-doc/proc-view?proc=lc%5ftime%5ffmt" target="_top">lc_time_fmt</a> to format it for display.</p><div class="example">
<a name="id1422" id="id1422"></a><p class="title"><strong>Example 12.1. Getting datetime from
the database ANSI-style</strong></p><div class="example-contents"><pre class="programlisting">
db_multirow -extend { mydate_pretty } {
    select to_char(mydate, 'YYYY-MM-DD HH24:MI:SS') as mydate_ansi,
          ...
    ...
} {
    set mydate_ansi [lc_time_system_to_conn $mydate_ansi]
    set mydate_pretty [lc_time_fmt $mydate_ansi "%x %X"]
}
</pre></div>
</div><br class="example-break">
</div>
</div>
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