[feature](flight) Support native VARIANT results for ADBC on branch-4.1 - #68667

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Gabriel39 wants to merge 11 commits into

apache:branch-4.1from

Gabriel39:dev/adbc-native-variant

Commits on Sep 30, 2026

[feature](flight) Add opt-in native Variant results for ADBC
Gabriel39
committed
183b965
[fix](flight) Address native Variant review findings
Gabriel39
committed
f511da6
[fix](flight) Preserve legacy Variant root types and null semantics
Gabriel39
committed
5ba1be4
[fix](test) Match Flight Variant fixtures to the storage representation
Gabriel39
committed
b7acd1b
[fix](test) Pad Flight query IDs for pipeline cleanup checks
Gabriel39
committed
325ee7b
[fix](flight) Preserve native Variant document types and validate edge values
Gabriel39
committed
0aa34e5
[fix](flight) Handle pending Variant subcolumns and verify parallel endpoints
Gabriel39
committed
46625fe