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Joris Van den Bossche authored and GitHub committed 5184d7c1759
GH-31868: [C++] Support concatenating extension arrays (#14463) (still needs a test in C++ and more elaborate tests (eg extension types with nested data)) * Closes: #31868 Authored-by: Joris Van den Bossche <jorisvandenbossche@gmail.com> Signed-off-by: Joris Van den Bossche <jorisvandenbossche@gmail.com>