Difference between revisions of "Freeside:1.7:Documentation:Dates"
From Freeside
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* Download the [http://www.viksoe.dk/code/u2lwin32.htm U2lwin32 user function library] | * Download the [http://www.viksoe.dk/code/u2lwin32.htm U2lwin32 user function library] | ||
* Use the provided "EpochToDateTime" function | * Use the provided "EpochToDateTime" function | ||
− | * | + | * Works with Crystal Reports 11 by manually installing the U2lwin32.dll to Business Objects\Common\3.5\bin |
Revision as of 10:27, 9 July 2007
Contents
Introduction
Freeside stores most dates as "Unix time" - the number of seconds elapsed since midnight UTC on the morning of January 1, 1970, not counting leap seconds.
Conversion in Perl
- Conversion from UNIX time: see the
localtime
function or theDate::Format
module.
- Conversion to UNIX time: see the
Date::Parse
orTime::Local
modules, among others.
Conversion in PostgreSQL
- Conversion from UNIX time (substitute in your own time zone, date field and output field name):
'epoch'::TIMESTAMP WITH TIME ZONE AT TIME ZONE 'PST' + _date_field * '1 second'::INTERVAL AS output_fieldname
Conversion in Crystal Reports
- Download the U2lwin32 user function library
- Use the provided "EpochToDateTime" function
- Works with Crystal Reports 11 by manually installing the U2lwin32.dll to Business Objects\Common\3.5\bin