Joris Van den Bossche created ARROW-16652:
---------------------------------------------
Summary: [Python][C++] Cast compute kernel segfaults when called
with a Table
Key: ARROW-16652
URL: https://issues.apache.org/jira/browse/ARROW-16652
Project: Apache Arrow
Issue Type: Bug
Components: C++, Python
Reporter: Joris Van den Bossche
Passing a Table to {{{pyarrow.compute.cast}} with a scalar type gives a
segfault:
{code}
In [1]: table = pa.table({'a': [1, 2]})
In [2]: import pyarrow.compute as pc
In [3]: pc.cast(table, pa.int64())
Segmentation fault (core dumped)
{code}
Backtrace with gdb gives:
{code}
Thread 1 "python" received signal SIGSEGV, Segmentation fault.
0x00007fba01685ada in arrow::DataType::id (this=0x0) at ../src/arrow/type.h:172
172 Type::type id() const { return id_; }
(gdb) bt
#0 0x00007fba01685ada in arrow::DataType::id (this=0x0) at
../src/arrow/type.h:172
#1 0x00007fba019e150e in arrow::TypeEquals (left=..., right=...,
check_metadata=false) at ../src/arrow/compare.cc:1304
#2 0x00007fba01b3484a in arrow::DataType::Equals (this=0x0, other=...,
check_metadata=false) at ../src/arrow/type.cc:374
#3 0x00007fba01f31678 in arrow::compute::internal::(anonymous
namespace)::CastMetaFunction::ExecuteImpl (this=0x55b6ebe63860, args=...,
options=0x55b6ec377080, ctx=0x7ffcd8cd43a0)
at ../src/arrow/compute/cast.cc:116
#4 0x00007fba020d9f39 in arrow::compute::MetaFunction::Execute
(this=0x55b6ebe63860, args=..., options=0x55b6ec377080, ctx=0x7ffcd8cd43a0) at
../src/arrow/compute/function.cc:388
#5 0x00007fb9ba95c8d9 in __pyx_pf_7pyarrow_8_compute_8Function_6call
(__pyx_v_self=0x7fb9b7c19af0, __pyx_v_args=[<pyarrow.lib.Table at remote
0x7fb9b7c19c70>], __pyx_v_options=0x7fb9b7c1c310,
__pyx_v_memory_pool=0x55b6ea466d60 <_Py_NoneStruct>) at
/home/joris/scipy/repos/arrow/python/build/temp.linux-x86_64-3.8/_compute.cpp:11292
#6 0x00007fb9ba95c3d5 in __pyx_pw_7pyarrow_8_compute_8Function_7call
(__pyx_v_self=<pyarrow._compute.MetaFunction at remote 0x7fb9b7c19af0>,
__pyx_args=([<pyarrow.lib.Table at remote 0x7fb9b7c19c70>],),
__pyx_kwds={'options': <CastOptions at remote 0x7fb9b7c1c310>,
'memory_pool': None}) at
/home/joris/scipy/repos/arrow/python/build/temp.linux-x86_64-3.8/_compute.cpp:11165
#7 0x000055b6ea1fb814 in cfunction_call_varargs (kwargs=<optimized out>,
args=<optimized out>, func=<built-in method call of
pyarrow._compute.MetaFunction object at remote 0x7fb9b7c19af0>)
at
/home/conda/feedstock_root/build_artifacts/python-split_1606502903469/work/Objects/call.c:772
#8 PyCFunction_Call (func=<built-in method call of
pyarrow._compute.MetaFunction object at remote 0x7fb9b7c19af0>, args=<optimized
out>, kwargs=<optimized out>)
at
/home/conda/feedstock_root/build_artifacts/python-split_1606502903469/work/Objects/call.c:772
#9 0x00007fb9ba9e84e2 in __Pyx_PyObject_Call (func=<built-in method call of
pyarrow._compute.MetaFunction object at remote 0x7fb9b7c19af0>,
arg=([<pyarrow.lib.Table at remote 0x7fb9b7c19c70>],),
kw={'options': <CastOptions at remote 0x7fb9b7c1c310>, 'memory_pool':
None}) at
/home/joris/scipy/repos/arrow/python/build/temp.linux-x86_64-3.8/_compute.cpp:57961
#10 0x00007fb9ba961add in __pyx_pf_7pyarrow_8_compute_6call_function
(__pyx_self=0x0, __pyx_v_name='cast', __pyx_v_args=[<pyarrow.lib.Table at
remote 0x7fb9b7c19c70>],
__pyx_v_options=<CastOptions at remote 0x7fb9b7c1c310>,
__pyx_v_memory_pool=None) at
/home/joris/scipy/repos/arrow/python/build/temp.linux-x86_64-3.8/_compute.cpp:13408
#11 0x00007fb9ba961676 in __pyx_pw_7pyarrow_8_compute_7call_function
(__pyx_self=0x0, __pyx_args=('cast', [<pyarrow.lib.Table at remote
0x7fb9b7c19c70>], <CastOptions at remote 0x7fb9b7c1c310>), __pyx_kwds=0x0)
...
{code}
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