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Posted to github@arrow.apache.org by "paleolimbot (via GitHub)" <gi...@apache.org> on 2024/08/08 17:00:54 UTC

Re: [I] adbc_driver_postgres add extra "\x01" to JSONB columns [arrow-adbc]

paleolimbot commented on issue #2068:
URL: https://github.com/apache/arrow-adbc/issues/2068#issuecomment-2276275684

   Thanks for reporting!
   
   This is probably because we don't explicitly handle JSON or JSONB, and so we're returning whatever Postgres does for COPY/binary output. I'm not sure why it gives the extra byte at the beginning, but we probably just need to add a specific handler for those cases.
   
   https://github.com/apache/arrow-adbc/blob/3168e091d2b80c3af3fe697681fd3e437e52e090/c/driver/postgresql/copy/reader.h#L770-L778


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