David Li created ARROW-8889:
-------------------------------
Summary: [Python] Python 3.7 SIGSEGV when comparing RecordBatch to
None
Key: ARROW-8889
URL: https://issues.apache.org/jira/browse/ARROW-8889
Project: Apache Arrow
Issue Type: Bug
Components: Python
Affects Versions: 0.17.1
Reporter: David Li
This seems to only happen for Python 3.6 and 3.7. It doesn't happen with 3.8.
It seems to happen even when built from source, but I used the wheels for this
reproduction.
{noformat}
> uname -a
Linux chaconne 5.6.13-arch1-1 #1 SMP PREEMPT Thu, 14 May 2020 06:52:53 +0000
x86_64 GNU/Linux
> python --version
Python 3.7.7
> pip freeze
numpy==1.18.4
pyarrow==0.17.1{noformat}
Reproduction:
{code:python}
import pyarrow as pa
table = pa.Table.from_arrays([pa.array([1,2,3])], names=["a"])
batches = table.to_batches()
batches[0].equals(None)
{code}
{noformat}
#0 0x00007fffdf9d34f0 in arrow::RecordBatch::num_columns() const () from
/home/lidavidm/Code/twosigma/arrow/venv2/lib/python3.7/site-packages/pyarrow/libarrow.so.17
#1 0x00007fffdf9d69e9 in arrow::RecordBatch::Equals(arrow::RecordBatch const&,
bool) const () from
/home/lidavidm/Code/twosigma/arrow/venv2/lib/python3.7/site-packages/pyarrow/libarrow.so.17
#2 0x00007fffe084a6e0 in
__pyx_pw_7pyarrow_3lib_11RecordBatch_31equals(_object*, _object*, _object*) ()
from
/home/lidavidm/Code/twosigma/arrow/venv2/lib/python3.7/site-packages/pyarrow/lib.cpython-37m-x86_64-linux-gnu.so
#3 0x00005555556b97e4 in _PyMethodDef_RawFastCallKeywords
(method=0x7fffe0c1b760 <__pyx_methods_7pyarrow_3lib_RecordBatch+288>,
self=0x7fffdefd7110, args=0x7ffff786f5c8, nargs=<optimized out>,
kwnames=<optimized out>)
at /tmp/build/80754af9/python_1585000375785/work/Objects/call.c:694
#4 0x00005555556c06af in _PyMethodDescr_FastCallKeywords
(descrobj=0x7fffdefa4050, args=0x7ffff786f5c0, nargs=2, kwnames=0x0) at
/tmp/build/80754af9/python_1585000375785/work/Objects/descrobject.c:288
#5 0x0000555555724add in call_function (kwnames=0x0, oparg=2,
pp_stack=<synthetic pointer>) at
/tmp/build/80754af9/python_1585000375785/work/Python/ceval.c:4593
#6 _PyEval_EvalFrameDefault (f=<optimized out>, throwflag=<optimized out>) at
/tmp/build/80754af9/python_1585000375785/work/Python/ceval.c:3110
#7 0x0000555555669289 in _PyEval_EvalCodeWithName (_co=0x7ffff78a68a0,
globals=<optimized out>, locals=<optimized out>, args=<optimized out>,
argcount=<optimized out>, kwnames=0x0, kwargs=0x0, kwcount=<optimized out>,
kwstep=2,
defs=0x0, defcount=0, kwdefs=0x0, closure=0x0, name=0x0, qualname=0x0) at
/tmp/build/80754af9/python_1585000375785/work/Python/ceval.c:3930
#8 0x000055555566a1c4 in PyEval_EvalCodeEx (_co=<optimized out>,
globals=<optimized out>, locals=<optimized out>, args=<optimized out>,
argcount=<optimized out>, kws=<optimized out>, kwcount=0, defs=0x0, defcount=0,
kwdefs=0x0,
closure=0x0) at
/tmp/build/80754af9/python_1585000375785/work/Python/ceval.c:3959
#9 0x000055555566a1ec in PyEval_EvalCode (co=<optimized out>,
globals=<optimized out>, locals=<optimized out>) at
/tmp/build/80754af9/python_1585000375785/work/Python/ceval.c:524
#10 0x0000555555780cb4 in run_mod (mod=<optimized out>, filename=<optimized
out>, globals=0x7ffff78d7c30, locals=0x7ffff78d7c30, flags=<optimized out>,
arena=<optimized out>)
at /tmp/build/80754af9/python_1585000375785/work/Python/pythonrun.c:1035
#11 0x000055555578b0d1 in PyRun_FileExFlags (fp=0x5555558c24d0,
filename_str=<optimized out>, start=<optimized out>, globals=0x7ffff78d7c30,
locals=0x7ffff78d7c30, closeit=1, flags=0x7fffffffe1b0)
at /tmp/build/80754af9/python_1585000375785/work/Python/pythonrun.c:988
#12 0x000055555578b2c3 in PyRun_SimpleFileExFlags (fp=0x5555558c24d0,
filename=<optimized out>, closeit=1, flags=0x7fffffffe1b0) at
/tmp/build/80754af9/python_1585000375785/work/Python/pythonrun.c:429
#13 0x000055555578c3f5 in pymain_run_file (p_cf=0x7fffffffe1b0,
filename=0x5555558e51f0 L"repro.py", fp=0x5555558c24d0) at
/tmp/build/80754af9/python_1585000375785/work/Modules/main.c:462
#14 pymain_run_filename (cf=0x7fffffffe1b0, pymain=0x7fffffffe2c0) at
/tmp/build/80754af9/python_1585000375785/work/Modules/main.c:1641
#15 pymain_run_python (pymain=0x7fffffffe2c0) at
/tmp/build/80754af9/python_1585000375785/work/Modules/main.c:2902
#16 pymain_main (pymain=0x7fffffffe2c0) at
/tmp/build/80754af9/python_1585000375785/work/Modules/main.c:3442
#17 0x000055555578c51c in _Py_UnixMain (argc=<optimized out>, argv=<optimized
out>) at /tmp/build/80754af9/python_1585000375785/work/Modules/main.c:3477
#18 0x00007ffff7dcd002 in __libc_start_main () from /usr/lib/libc.so.6
#19 0x000055555572fac0 in _start () at ../sysdeps/x86_64/elf/start.S:103
{noformat}
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