On Thu, Apr 16, 2015 at 3:16 PM, Andreas Watermeyer <
andreas.waterme...@its-telco.de> wrote:
> Hi there,
>
> I have a problem using GeoServer and GeoTools: On WFS-T Updates, using no
> PreparedStatements, date fields are dated back by one day. The problem
> source is GeoTools in this case.
>
> What I found out:
> - First conversion (String to Date ) is using GMT as timezone
> (XsDateFormat)
> - Second conversion (Date to String) is using the default timezone
> (CommonsConverterFactory$SqlDateConverter)
>
> Effect: In my local timezone the date is dated back by one day.
>
> Fixing this would change some rather central code
> (CommonsConverterFactory$SqlDateConverter should also use GMT).
>
> Running the tests showed, that this also requires adjustment of
> org.geotools.filter.IsEqualsToImpl.
>
> IMHO org.geotools.filter.IsEqualsToImpl is not correct for java.sql.Date
> currently. It just calls equals(), which compare the milliseconds value of
> java.sql.Date only. I think this is not appropriate for java.sql.Date. A
> String comparison (2015-04-13) would be a better approch.
> Similar things should be done for several other filters: Less, Greater,
> EqualOrGreater, Between etc.. IMHO they all are incorrect for
> java.sql.Date, using millisecond comparisons rather the "day" comparison.
>
> However changing this would possibly breaking existing applications. I
> would like to know what the core developers think about this. Is anybody
> willing to take such a step or is it preferred to leave things as they are
> (broken)?
>
There is a discussion ongoing on geotools-devel on this same topic, can you
join it?
Cheers
Andrea
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