[GitHub] [arrow-adbc] paleolimbot commented on issue #546: Support for Postgres extension types?

["paleolimbot (via GitHub)" <gi...@apache.org>]

paleolimbot commented on issue #546:
URL: https://github.com/apache/arrow-adbc/issues/546#issuecomment-1486966789

   Do you happen to know how a POSTGIS geometry arrives over the wire via `COPY`? (I suppose one could open a debugger and check...I think it might be the bytes of the gserialized version of the geometry). I obviously have a vested interest in making this a thing (also for SQLite + GeoPackage, which has a similar issue where the way the geometry arrives by default is not *quite* how we'd want it represented in query output.
   
   One approach would be to fork the Postgres and SQLite drivers in the geoarrow org and re-package them with geometry support.


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