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from 7f3ff24 ARROW-6335: [Java] Improve the performance of
DictionaryHashTable
add c9bd6d7 ARROW-6301: [C++][Python] Prevent ExtensionType-related race
condition in Python process teardown by exposing shared_ptr to global
"ExtensionTypeRegistry"
No new revisions were added by this update.
Summary of changes:
cpp/src/arrow/extension_type.cc | 88 ++++++++++++++++++++++++++----------
cpp/src/arrow/extension_type.h | 14 ++++++
python/pyarrow/includes/libarrow.pxd | 4 ++
python/pyarrow/types.pxi | 16 +++++++
4 files changed, 97 insertions(+), 25 deletions(-)
