GH-48811: [C++][FlightRPC] ODBC: Add missing arrow:: to fix build

[alinaliBQ]

Rationale for this change

Add arrow:: to Decimal128Type::kMaxPrecision to fix the build

What changes are included in this PR?

• Add arrow:: as prefix to Decimal128Type::kMaxPrecision

Are these changes tested?

• Yes, on local MSVC and CI

Are there any user-facing changes?

N/A

• GitHub Issue: [C++][FlightRPC][ODBC] Add missing arrow:: to fix build #48811

[alinaliBQ]

Hi @lidavidm could you take a look at this minor PR? Thanks! cc @HyukjinKwon

[HyukjinKwon]

LGTM thanks for catching this. I think I shouldn't touch this code path till my env is fully ready 😅

[HyukjinKwon]

Oh BTW I believe this needs a ticket instead of marking it a minor

[github-actions]

⚠️ GitHub issue #48811 has been automatically assigned in GitHub to PR creator.

[alinaliBQ]

Oh BTW I believe this needs a ticket instead of marking it a minor

Thanks for the reminder, I have raise an issue #48811 😄

[alinaliBQ]

LGTM thanks for catching this. I think I shouldn't touch this code path till my env is fully ready 😅

No worries! Ty for taking a look

[kou]

+1

[conbench-apache-arrow]

After merging your PR, Conbench analyzed the 3 benchmarking runs that have been run so far on merge-commit 6c7de4e.

There weren't enough matching historic benchmark results to make a call on whether there were regressions.

The full Conbench report has more details.