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Register ADBC extension#507

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adsharma wants to merge 1 commit into
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adbc_driver
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Register ADBC extension#507
adsharma wants to merge 1 commit into
mainfrom
adbc_driver

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@adsharma adsharma commented May 22, 2026

This will allow us to query more columnar data sources that speak ADBC

More info about adbc-drivers.

Runtime testing status:

  • LOAD EXTENSION .../libadbc.lbug_extension works.
  • ATTACH ... (DBTYPE ADBC, DRIVER=..., TABLES='person') works.
  • Scanning currently fails at ArrowArrayStream.get_next from DuckDB ADBC with:

Invalid Input Error: Attempting to execute an unsuccessful or closed pending query result

That points to a DuckDB ADBC direct-driver lifetime/manager expectation, not a compile issue. DuckDB’s docs describe using the ADBC driver-manager-style setup with driver and entrypoint options, while the direct initialized vtable rejects those options. Source: https://duckdb.org/docs/current/clients/adbc.html

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