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

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

kylebarron commented on issue #546:
URL: https://github.com/apache/arrow-adbc/issues/546#issuecomment-1487109690

   > Do you happen to know how a POSTGIS geometry arrives over the wire via `COPY`? 
   
   I don't. That indeed seems like the first thing to establish. I thought that it serialized to WKB by default but maybe that happens on the client and not on the wire itself.
   
   > One approach would be to fork the Postgres and SQLite drivers in the geoarrow org and re-package them with geometry support.
   
   Would that work well with ADBC? Forking postgres and sqlite drivers seems like a big undertaking. I was imagining it should be possible to have some small function that just "plugs in" and converts to geoarrow without a large fork


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