[GitHub] [arrow-rs] e-dard edited a comment on issue #1323: Consider support / implementation of Arrow Flight SQL

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e-dard edited a comment on issue #1323:
URL: https://github.com/apache/arrow-rs/issues/1323#issuecomment-1042135808


   That's super interesting @nevi-me!
   
   I'm primarily interested in making it possible for services/projects that can talk to PG to be able to talk to IOx, where IOx really means Datafusion. My approach has been to implement the PG wire protocol and then handoff a sub-set of supported PG behaviours to a backend over Flight (e.g., queries). Then translate responses (record batches) in PG responses. 
   
   I suspect (assume) a lot of the mapping between PG commands and Flight SQL commands are the same, so making progress on a Rust implementation of the flightSQL spec will get a lot of that work done.
   
   Whilst Flight SQL is intended to replace heterogeneous client/server DB protocols, the existing ones aren't going anywhere any time soon. I think Flight SQL will make it easier to map from specific DB protocols to anything whatever speaks Flight SQL.


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