ARROW-18149: [C++] fix build failure of `join_example`#14490

Merged

cyb70289 merged 1 commit intoapache:masterfrom

laysakura:ARROW-18149-fix-join_example-build

Oct 26, 2022

Commits on Oct 25, 2022

ARROW-18149: [C++] fix build failure of `join_example`
laysakura
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