[teiid-issues] [JBoss JIRA] (TEIID-3305) Add system functions for GeoJSON

[Tom Arnold (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-3305?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13034768#comment-13034768 ] 

Tom Arnold commented on TEIID-3305:
-----------------------------------

Sent PR. The jts2geojson library uses Jackson 2.x which is already a module (for Olingo?), but I needed to bring in the databind & annotation modules as well. Also I batched the GML2 commits (TEIID-3309) into this since I did them at the same time.

> Add system functions for GeoJSON
> --------------------------------
>
>                 Key: TEIID-3305
>                 URL: https://issues.jboss.org/browse/TEIID-3305
>             Project: Teiid
>          Issue Type: Feature Request
>          Components: Query Engine
>            Reporter: Tom Arnold
>            Assignee: Steven Hawkins
>              Labels: spatial
>
> Add system functions to convert between GEOMETRY and GeoJSON. These will be helpful for sources that use GeoJSON (like MongoDB and RethinkDB).
> Conversion will be GeometryType (WKB) ↔ JTS Geometry ↔ GeoJSON.
> * https://github.com/bjornharrtell/jts2geojson
> * http://geojson.org/geojson-spec.html
> * http://wiki.geojson.org/GeoJSON_draft_version_5
> I don't believe these are part of the OGC spec, but it would probably be best to implement them similar to PostGIS.
> * http://postgis.org/docs/ST_AsGeoJSON.html
> * http://postgis.org/docs/ST_GeomFromGeoJSON.html



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