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From "Niall Pemberton (JIRA)" <>
Subject [jira] Updated: (LANG-335) Comparisons of Dates and Calendars to second precision
Date Mon, 21 May 2007 17:23:16 GMT


Niall Pemberton updated LANG-335:

    Attachment:     (was:

> Comparisons of Dates and Calendars to second precision
> ------------------------------------------------------
>                 Key: LANG-335
>                 URL:
>             Project: Commons Lang
>          Issue Type: New Feature
>    Affects Versions: 2.3
>         Environment: Windows, JDK 1.6.0, Eclipse 3.2
>            Reporter: Alex Marshall
>            Priority: Trivial
> The o.a.c.lang.time.DateUtils should have functions for comparing dates and Calendars
to only second precision instead of millisecond.  The motivation for this is comparison of
dates and Calendars in objects both before and after the objects have been committed to and
retrieved from a database.  In theory the objects should be equal if 'equals' is run on them,
but in practice they are not because the date fields do not have exactly the same millisecond
values after they've been persisted to a database since times in many databases are only maintained
to second-level precision (and without TimeZone information in many cases, to boot!)

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