paleolimbot commented on issue #34211:
URL: https://github.com/apache/arrow/issues/34211#issuecomment-1458562241
It looks like this is a problem with ALTREP bypass: the array (probably most
of them) are already ALTREP coming from Arrow, and the segfault we get is when
we try to get the chunked array back:
```
Console is in 'commands' mode, prefix expressions with '?'.
Attached to process 45901
Stop reason: EXC_BAD_ACCESS (code=1, address=0x18)
bt
* thread #1, queue = 'com.apple.main-thread', stop reason = EXC_BAD_ACCESS
(code=1, address=0x18)
* frame #0: 0x00000001128bd8a8
arrow.so`std::__1::shared_ptr<arrow::DataType>::shared_ptr(this=0x000000016fc26390,
__r=nullptr) at shared_ptr.h:846:18
frame #1: 0x00000001128b9224
arrow.so`std::__1::shared_ptr<arrow::DataType>::shared_ptr(this=0x000000016fc26390,
__r=nullptr) at shared_ptr.h:848:1
frame #2: 0x00000001128b9dd8
arrow.so`arrow::r::InferArrowType(x=0x0000000137c42438) at type_infer.cpp:189:12
frame #3: 0x00000001128b4980
arrow.so`arrow::r::InferSchemaFromDots(this=(size=111), j=0,
x=0x0000000137c42438, name="filename")::$_1::operator()(int, SEXPREC*,
std::__1::basic_string<char, std::__1::char_traits<char>,
std::__1::allocator<char>>) const at table.cpp:179:38
frame #4: 0x00000001128a8740 arrow.so`void
arrow::r::TraverseDots<arrow::r::InferSchemaFromDots(SEXPREC*, SEXPREC*, int,
std::__1::shared_ptr<arrow::Schema>&)::$_1>(dots=cpp11::list @
0x000000016fc266a0, num_fields=111, lambda=(size=111))::$_1) at
arrow_types.h:211:9
frame #5: 0x00000001128a8450
arrow.so`arrow::r::InferSchemaFromDots(lst=0x0000000150258fa0,
schema_sxp=0x000000013500d0e0, num_fields=111, schema=nullptr) at
table.cpp:182:3
frame #6: 0x000000011277aeb0
arrow.so`Table__from_dots(lst=0x0000000150258fa0,
schema_sxp=0x000000013500d0e0, use_threads=true) at r_to_arrow.cpp:1461:15
frame #7: 0x00000001124eb658
arrow.so`::_arrow_Table__from_dots(lst_sexp=0x0000000150258fa0,
```
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