Re: PLJava and Database Meta Data

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От Laszlo Hornyak
Тема Re: PLJava and Database Meta Data
Дата
Msg-id Pine.LNX.4.58.0502111618430.26875@www.forgeahead.hu
обсуждение исходный текст
Ответ на Re: PLJava and Database Meta Data  (Thomas Hallgren <thhal@mailblocks.com>)
Ответы Re: PLJava and Database Meta Data  (Thomas Hallgren <thhal@mailblocks.com>)
Список pgsql-jdbc
Thomas,

FYI, PL-J typemapper framework.
http://cvs.plj.codehaus.org/*checkout*/pl-j/src/interfaces/org/pgj/typemapping/TypeMapper.java?rev=1.4

Regards,
Laszlo

On Fri, 11 Feb 2005, Thomas Hallgren wrote:

> Markus Schaber wrote:
>
> >Hi, Thomas,
> >
> >Thomas Hallgren schrieb:
> >
> >
> >
> >>>Did you do anything concerning custom datatypes (e. G. PostGIS) yet?
> >>>[...]
> >>>
> >>>
> >>Nothing has been done in this area for PLJava yet. I'm definitely in
> >>favor of your suggestion. If anything can be done to converge efforts
> >>and API's, it should be done.
> >>
> >>
> >
> >Okay. Maybe we should also invite other custom datatype authors.
> >
> >Just out of curiosity (I did not have enough time to take a close look
> >at PLJava yet - maybe I should do that first...): How do you currently
> >model types like Interval, Money, ByteArray or the native PostgreSQL
> >geometry types? (I ask this because in pgjdbc they are currently
> >implemented using the same PGobject approach as PostGIS extension types.)
> >
> >
> bytea is mapped to byte[]. The other types are not yet mapped. Where can
> I find info about the PostGIS approach?
>
> >And what is your approach to endianness conversion?
> >
> >
> None yet. What types have endian issues and in what way? The PLJava
> mapping is using SPI functions directly so we never serialize anything.
> PLJava create wrappers for Datum's in the native backend environment.
> I'm not sure endian issues ever bites us.
>
> - thomas
>
>
>
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