happydave1 opened a new issue, #1230:
URL: https://github.com/apache/iceberg-go/issues/1230

   ### Feature Request / Improvement
   
   Per the Iceberg spec, CRS must not contain inlined PROJJSON. Instead, the 
full PROJJSON definition belongs in a table property and the schema CRS should 
reference it as `projjson:my-property-name`.
   
   iceberg-go already accepts `projjson:...` at the type/schema layer, but the 
Arrow write path in `icebergCRSToGeoArrowMetadata` explicitly panics for CRS 
values starting with `projjson:`. To fix this, the write path should resolve 
`projjson:<property-name>` against table properties and embed the resulting 
PROJJSON in GeoArrow metadata 


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