I have encountered a feature request to add support for XML columns to
geoserver. This ultimately means upgrading the geotools JDBCDataStore,
specifically changing the
applicable SQLDialect classes to include Type and Class mappins for XML
data types.
The critical question here is *what type do we want to map XML data to*?
The simple option would be to just map to a String. However, Java does
support various structured document types that may be more appropriate,
such as org.w3c.dom.Document
<http://docs.oracle.com/javase/7/docs/api/org/w3c/dom/Document.html>.
Does anyone have any strong feelings one way or another? I am going to
start by mapping to a String for simplicities sake, but would be open to
using another type.
While the request is specifically for Postgres XML support, it makes sense
to also add any databases that support XML types. The SQLDialects that
support XML columns are:
- PostGIS
- Oracle
- DB2SQL
- SpatialLite
- SQLServer
- Teradata
I will be starting with PostGIS, but intend to try to add XML support to
all of these databases. Properly testing this may be a bit difficult, as I
only have access to PostGIS and Oracle databases at this time.
Torben
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