Commits
Frank Du authored and Wes McKinney committed 1c7a482e701
ARROW-9216: [C++] Use BitBlockCounter for plain spaced encoding/decoding Speedup the typical use case which most data are true values, also add null probability test case. Signed-off-by: Frank Du <frank.du@intel.com> Closes #7531 from jianxind/BitBlockSpaced Authored-by: Frank Du <frank.du@intel.com> Signed-off-by: Wes McKinney <wesm@apache.org>