Commits
Weston Pace authored and David Li committed c18c7558f66
ARROW-13139: [C++] ReadaheadGenerator cannot be safely copied/moved I changed the readahead generator to be consistent with the rest of the generators. All state is put into a dedicated struct and the generator only has a shared_ptr to the dedicated struct. Closes #10569 from westonpace/bugfix/ARROW-13139--c-readaheadgenerator-cannot-be-safely-copied-m Authored-by: Weston Pace <weston.pace@gmail.com> Signed-off-by: David Li <li.davidm96@gmail.com>