[gdal-dev] Does OGR support GeoPackage enums in write mode (or at all?)

[Andrea Aime]

Nice! Thanks!

Cheers
Andrea

On Tue, Apr 6, 2021 at 2:43 PM Even Rouault <even.rouault at spatialys.com>
wrote:

> Hi,
>
> as as follow-up, the mentioned below capacity is now in GDAL master per
> https://github.com/OSGeo/gdal/pull/3638
>
> This is implemented curretly for FileGeodatabase (reading-only, could be
> extended on the write side in the FileGDB) and GeoPackage (read/write).
>
> I guess this could be extended to PostgreSQL too by storing the enums in
> an auxiliary table linked through a foreign key.
>
> Even
> Le 15/04/2020 à 11:05, Andrea Aime a écrit :
>
> Hi,
> I'm trying to dump a large PostGIS database into a GeoPackage. In the
> original database some columns
> are strings, but could be more efficiently represented as enums, as they
> have a small set of values.
>
> GeoPackage has a native notion of enums, check the spec and search for
> "table 27" for an example:
> http://www.geopackage.org/spec/
>
> However I cannot find mention of them in the GPKG driver documentation:
> https://gdal.org/drivers/vector/gpkg.html
> I quickly grepped into the geopackage sources for "enum", could not find
> it in the geopackage sources.
>
> Also looked at the "mapFieldType" ogr2ogr parameter and at OGR SQL, did
> not find anything there either.
>
> So I'm wondering, is there direct support for enum fields? Any way to map
> a string column to enum during
> a ogr2ogr call?
>
> Best Regards,
>
> Andrea Aime == GeoServer Professional Services from the experts! Visit
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> Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa
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-- 

Regards, Andrea Aime

== GeoServer Professional Services from the experts! Visit
http://goo.gl/it488V for more information. == Ing. Andrea Aime @geowolf
Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054 Massarosa
(LU) phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549
http://www.geo-solutions.it http://twitter.com/geosolutions_it
------------------------------------------------------- *Con riferimento
alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 -
Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni
circostanza inerente alla presente email (il suo contenuto, gli eventuali
allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i
destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per
errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le
sarei comunque grato se potesse darmene notizia. This email is intended
only for the person or entity to which it is addressed and may contain
information that is privileged, confidential or otherwise protected from
disclosure. We remind that - as provided by European Regulation 2016/679
“GDPR” - copying, dissemination or use of this e-mail or the information
herein by anyone other than the intended recipient is prohibited. If you
have received this email by mistake, please notify us immediately by
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