adbc-driver-flightsql: Add version 1.12.0

[luhenry]

• Package: adbc-driver-flightsql
• Version: 1.12.0
• Source: https://github.com/apache/arrow-adbc
• Docs: https://arrow.apache.org/adbc/

Compiles the Go-based Flight SQL ADBC driver (go/adbc/pkg/flightsql, a cgo -buildmode=c-shared built via CMake's add_go_lib) into libadbc_driver_flightsql.so, loaded via ctypes as a py3-none wheel. Upstream publishes no riscv64 wheel.

Mirrors upstream's packaging.yml and ci/scripts/python_util.sh's build_drivers.

Differs from upstream

• Adds a Go toolchain (go.dev's linux-riscv64 tarball, pinned to .env's GO version) - the manylinux image ships none.
• No cibuildwheel - image driven directly, same shape as adbc-driver-postgresql/adbc-driver-sqlite.

Testing

• Builds go/adbc's own driver/flightsql/cmd/testserver and runs the wheel test suite against it locally, same as native-unix.yml's "Test Python Driver Flight SQL" job - no Dremio/GizmoSQL service needed.

License: OK

Built on cp312 against the local Flight SQL test server; 17 passed, 15 skipped (Dremio/GizmoSQL-only fixtures self-skip).

[github-actions]

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2026-09-24 10:58 UTC