[BUG] Overflow ints with nulls is being inferred as float column in CSV reader
Open
bug
cuIO
libcudf
Python
- Dominant language
- C++
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Description
**Describe the bug**
A csv files contains values greater than max(int64) and some null values. In this case, cudf CSV reader is inferring the column type to be `float` column. This will lead to loss of data partially.
**Steps/Code to reproduce bug**
`a.csv`: [a.csv.zip](https://github.com/rapidsai/cudf/files/5777669/a.csv.zip)(Rename this to `a.csv`)
```python
>>> import cudf
>>> import pandas as pd
>>> cudf.read_csv('a.csv')['3']
0
1 1.77585123e+19
2
3 3.374168268e+18
4
...
365
366
367
368 1.430186644e+19
369
Name: 3, Length: 370, dtype: float64
>>> pd.read_csv('a.csv')['3']
0
1 17758512297797920768
2
3 3374168267804635136
4
...
365
366
367
368 14301866441110444032
369
Name: 3, Length: 370, dtype: object
```
**Expected behavior**
If the values overflow `int` and fit into `uint`, they should be inferred as `uint`.
If the values overflow `int` & `uint` types, they should be inferred as `string` column.
**Environment overview (please complete the following information)**
- Environment location: [Bare-metal]
- Method of cuDF install: [from source]
**Environment details**
Please run and paste the output of the `cudf/print_env.sh` script here, to gather any other relevant environment details
Click here to see environment details
**git***
commit 402614e6acb25fad9230a6ab78e96e1c4d769230 (HEAD -> 6263)
Merge: 1433bebda5 8787a647a4
Author: galipremsagar
Date: Wed Jan 6 09:18:35 2021 -0800
Merge remote-tracking branch 'upstream/branch-0.18' into 6263
**git submodules***
***OS Information***
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=18.04
DISTRIB_CODENAME=bionic
DISTRIB_DESCRIPTION="Ubuntu 18.04.4 LTS"
NAME="Ubuntu"
VERSION="18.04.4 LTS (Bionic Beaver)"
ID=ubuntu
ID_LIKE=debian
PRETTY_NAME="Ubuntu 18.04.4 LTS"
VERSION_ID="18.04"
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
VERSION_CODENAME=bionic
UBUNTU_CODENAME=bionic
Linux dt07 4.15.0-76-generic #86-Ubuntu SMP Fri Jan 17 17:24:28 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux
***GPU Information***
Wed Jan 6 09:39:24 2021
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 440.64.00 Driver Version: 440.64.00 CUDA Version: 10.2 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 Tesla T4 On | 00000000:3B:00.0 Off | 0 |
| N/A 48C P8 10W / 70W | 0MiB / 15109MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
| 1 Tesla T4 On | 00000000:5E:00.0 Off | 0 |
| N/A 37C P8 9W / 70W | 0MiB / 15109MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
| 2 Tesla T4 On | 00000000:AF:00.0 Off | 0 |
| N/A 33C P8 9W / 70W | 0MiB / 15109MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
| 3 Tesla T4 On | 00000000:D8:00.0 Off | 0 |
| N/A 32C P8 10W / 70W | 0MiB / 15109MiB | 0% Default |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes: GPU Memory |
| GPU PID Type Process name Usage |
|=============================================================================|
| No running processes found |
+-----------------------------------------------------------------------------+
***CPU***
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
CPU(s): 64
On-line CPU(s) list: 0-63
Thread(s) per core: 2
Core(s) per socket: 16
Socket(s): 2
NUMA node(s): 2
Vendor ID: GenuineIntel
CPU family: 6
Model: 85
Model name: Intel(R) Xeon(R) Gold 6130 CPU @ 2.10GHz
Stepping: 4
CPU MHz: 1405.100
BogoMIPS: 4200.00
Virtualization: VT-x
L1d cache: 32K
L1i cache: 32K
L2 cache: 1024K
L3 cache: 22528K
NUMA node0 CPU(s): 0,2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,48,50,52,54,56,58,60,62
NUMA node1 CPU(s): 1,3,5,7,9,11,13,15,17,19,21,23,25,27,29,31,33,35,37,39,41,43,45,47,49,51,53,55,57,59,61,63
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid dca sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb cat_l3 cdp_l3 invpcid_single pti intel_ppin ssbd mba ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm cqm mpx rdt_a avx512f avx512dq rdseed adx smap clflushopt clwb intel_pt avx512cd avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local dtherm ida arat pln pts pku ospke md_clear flush_l1d
***CMake***
/nvme/0/pgali/envs/cudfdev/bin/cmake
cmake version 3.19.2
CMake suite maintained and supported by Kitware (kitware.com/cmake).
***g++***
/usr/bin/g++
g++ (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0
Copyright (C) 2017 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
***nvcc***
/usr/local/cuda/bin/nvcc
nvcc: NVIDIA (R) Cuda compiler driver
Copyright (c) 2005-2019 NVIDIA Corporation
Built on Wed_Oct_23_19:24:38_PDT_2019
Cuda compilation tools, release 10.2, V10.2.89
***Python***
/nvme/0/pgali/envs/cudfdev/bin/python
Python 3.7.9
***Environment Variables***
PATH : /nvme/0/pgali/envs/cudfdev/bin:/usr/share/swift/usr/bin:/home/nfs/pgali/bin:/home/nfs/pgali/.local/bin:/home/nfs/pgali/anaconda3/condabin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/usr/lib/jvm/default-java/bin:/usr/share/sbt-launcher-packaging/bin/sbt-launch.jar/bin:/usr/lib/spark/bin:/usr/lib/spark/sbin:/usr/local/cuda/bin:/nvme/0/pgali/envs/cudfdev/bin:/usr/local/cuda/bin:/nvme/0/pgali/envs/cudfdev/bin
LD_LIBRARY_PATH : /usr/local/cuda/lib64:/usr/local/cuda/lib64::/usr/local/cuda/lib64:/usr/local/cuda/extras/CUPTI/lib64:/usr/local/cuda/lib64:/usr/local/cuda/extras/CUPTI/lib64
NUMBAPRO_NVVM :
NUMBAPRO_LIBDEVICE :
CONDA_PREFIX : /nvme/0/pgali/envs/cudfdev
PYTHON_PATH :
***conda packages***
/home/nfs/pgali/anaconda3/condabin/conda
# packages in environment at /nvme/0/pgali/envs/cudfdev:
#
# Name Version Build Channel
_libgcc_mutex 0.1 conda_forge conda-forge
_openmp_mutex 4.5 1_gnu conda-forge
abseil-cpp 20200923.2 h9c3ff4c_1 conda-forge
alabaster 0.7.12 py_0 conda-forge
apipkg 1.5 py_0 conda-forge
appdirs 1.4.4 pyh9f0ad1d_0 conda-forge
argon2-cffi 20.1.0 py37h4abf009_2 conda-forge
arrow-cpp 1.0.1 py37h271258c_19_cuda conda-forge
arrow-cpp-proc 2.0.0 cuda conda-forge
async_generator 1.10 py_0 conda-forge
attrs 20.3.0 pyhd3deb0d_0 conda-forge
aws-c-common 0.4.59 h36c2ea0_1 conda-forge
aws-c-event-stream 0.1.6 had2084c_6 conda-forge
aws-checksums 0.1.10 h4e93380_0 conda-forge
aws-sdk-cpp 1.8.70 h57dc084_1 conda-forge
babel 2.9.0 pyhd3deb0d_0 conda-forge
backcall 0.2.0 pyh9f0ad1d_0 conda-forge
backports 1.0 py_2 conda-forge
backports.functools_lru_cache 1.6.1 py_0 conda-forge
black 19.10b0 py_4 conda-forge
bleach 3.2.1 pyh9f0ad1d_0 conda-forge
bokeh 2.2.3 py37h89c1867_0 conda-forge
boost-cpp 1.74.0 h9d3c048_1 conda-forge
brotli 1.0.9 he1b5a44_3 conda-forge
brotlipy 0.7.0 py37hb5d75c8_1001 conda-forge
bzip2 1.0.8 h7f98852_4 conda-forge
c-ares 1.17.1 h36c2ea0_0 conda-forge
ca-certificates 2020.12.5 ha878542_0 conda-forge
certifi 2020.12.5 py37h89c1867_0 conda-forge
cffi 1.14.4 py37hc58025e_1 conda-forge
cfgv 3.2.0 py_0 conda-forge
chardet 4.0.0 py37h89c1867_0 conda-forge
clang 8.0.1 hc9558a2_2 conda-forge
clang-tools 8.0.1 hc9558a2_2 conda-forge
clangxx 8.0.1 2 conda-forge
click 7.1.2 pyh9f0ad1d_0 conda-forge
cloudpickle 1.6.0 py_0 conda-forge
cmake 3.19.2 h4547794_0 conda-forge
cmake_setuptools 0.1.3 py_0 rapidsai
colorama 0.4.4 pyh9f0ad1d_0 conda-forge
commonmark 0.9.1 py_0 conda-forge
cryptography 3.3.1 py37h7f0c10b_0 conda-forge
cudatoolkit 10.2.89 h6bb024c_0 nvidia
cudf 0.18.0a0+155.g402614e6ac.dirty pypi_0 pypi
cudnn 7.6.5.32 h01f27c4_1 conda-forge
cupy 8.3.0 py37h3e89ef8_0 conda-forge
cython 0.29.21 py37hb892b2f_1 conda-forge
cytoolz 0.11.0 py37h4abf009_1 conda-forge
dask 2020.12.0+24.g18804f20 pypi_0 pypi
dask-cudf 0.18.0a0+153.g56230780e9 pypi_0 pypi
decorator 4.4.2 py_0 conda-forge
defusedxml 0.6.0 py_0 conda-forge
distlib 0.3.1 pyh9f0ad1d_0 conda-forge
distributed 2020.12.0+14.ga07fc398 pypi_0 pypi
dlpack 0.3 he1b5a44_1 conda-forge
docutils 0.16 py37h89c1867_2 conda-forge
double-conversion 3.1.5 he1b5a44_2 conda-forge
editdistance 0.5.3 py37hcd2ae1e_2 conda-forge
entrypoints 0.3 pyhd8ed1ab_1003 conda-forge
execnet 1.7.1 py_0 conda-forge
expat 2.2.9 he1b5a44_2 conda-forge
fastavro 1.2.3 py37h5e8e339_0 conda-forge
fastrlock 0.5 py37h3340039_1 conda-forge
filelock 3.0.12 pyh9f0ad1d_0 conda-forge
flake8 3.8.3 py_1 conda-forge
flatbuffers 1.12.0 h58526e2_0 conda-forge
freetype 2.10.4 h7ca028e_0 conda-forge
fsspec 0.8.5 pyhd8ed1ab_0 conda-forge
future 0.18.2 py37h89c1867_2 conda-forge
gflags 2.2.2 he1b5a44_1004 conda-forge
glog 0.4.0 h49b9bf7_3 conda-forge
gmp 6.2.1 h58526e2_0 conda-forge
grpc-cpp 1.33.2 hf41bbd9_2 conda-forge
heapdict 1.0.1 py_0 conda-forge
hypothesis 5.48.0 pyhd8ed1ab_0 conda-forge
icu 68.1 h58526e2_0 conda-forge
identify 1.5.11 pyhd3deb0d_0 conda-forge
idna 2.10 pyh9f0ad1d_0 conda-forge
imagesize 1.2.0 py_0 conda-forge
importlib-metadata 2.0.0 py_1 conda-forge
importlib_metadata 2.0.0 1 conda-forge
iniconfig 1.1.1 pyh9f0ad1d_0 conda-forge
ipykernel 5.4.2 py37h888b3d9_0 conda-forge
ipython 7.19.0 py37h888b3d9_1 conda-forge
ipython_genutils 0.2.0 py_1 conda-forge
isort 5.0.7 py37hc8dfbb8_0 conda-forge
jedi 0.17.2 py37h89c1867_1 conda-forge
jinja2 2.11.2 pyh9f0ad1d_0 conda-forge
jpeg 9d h36c2ea0_0 conda-forge
jsonschema 3.2.0 py_2 conda-forge
jupyter_client 6.1.7 py_0 conda-forge
jupyter_core 4.7.0 py37h89c1867_0 conda-forge
jupyterlab_pygments 0.1.2 pyh9f0ad1d_0 conda-forge
krb5 1.17.2 h926e7f8_0 conda-forge
lcms2 2.11 hcbb858e_1 conda-forge
ld_impl_linux-64 2.35.1 hea4e1c9_1 conda-forge
libblas 3.9.0 6_openblas conda-forge
libcblas 3.9.0 6_openblas conda-forge
libcurl 7.71.1 hcdd3856_8 conda-forge
libedit 3.1.20191231 he28a2e2_2 conda-forge
libev 4.33 h516909a_1 conda-forge
libevent 2.1.10 hcdb4288_3 conda-forge
libffi 3.3 h58526e2_2 conda-forge
libgcc-ng 9.3.0 h5dbcf3e_17 conda-forge
libgfortran-ng 9.3.0 he4bcb1c_17 conda-forge
libgfortran5 9.3.0 he4bcb1c_17 conda-forge
libgomp 9.3.0 h5dbcf3e_17 conda-forge
liblapack 3.9.0 6_openblas conda-forge
libllvm10 10.0.1 he513fc3_3 conda-forge
libllvm8 8.0.1 hc9558a2_0 conda-forge
libnghttp2 1.41.0 h8cfc5f6_2 conda-forge
libopenblas 0.3.12 pthreads_h4812303_1 conda-forge
libpng 1.6.37 h21135ba_2 conda-forge
libprotobuf 3.14.0 h780b84a_0 conda-forge
librmm 0.18.0a210106 cuda10.2_g9fed212_19 rapidsai-nightly
libsodium 1.0.18 h36c2ea0_1 conda-forge
libssh2 1.9.0 hab1572f_5 conda-forge
libstdcxx-ng 9.3.0 h2ae2ef3_17 conda-forge
libthrift 0.13.0 h5aa387f_6 conda-forge
libtiff 4.2.0 hdc55705_0 conda-forge
libutf8proc 2.6.1 h7f98852_0 conda-forge
libuv 1.40.0 h7f98852_0 conda-forge
libwebp-base 1.1.0 h36c2ea0_3 conda-forge
llvmlite 0.35.0 py37h9d7f4d0_0 conda-forge
locket 0.2.0 py_2 conda-forge
lz4-c 1.9.3 h9c3ff4c_0 conda-forge
markdown 3.3.3 pyh9f0ad1d_0 conda-forge
markupsafe 1.1.1 py37hb5d75c8_2 conda-forge
mccabe 0.6.1 py_1 conda-forge
mimesis 4.0.0 pyh9f0ad1d_0 conda-forge
mistune 0.8.4 py37h4abf009_1002 conda-forge
more-itertools 8.6.0 pyhd8ed1ab_0 conda-forge
msgpack-python 1.0.2 py37h2527ec5_0 conda-forge
nbclient 0.5.1 py_0 conda-forge
nbconvert 6.0.7 py37h89c1867_3 conda-forge
nbformat 5.0.8 py_0 conda-forge
nbsphinx 0.7.1 pyh9f0ad1d_0 conda-forge
nccl 2.8.3.1 h1a5f58c_0 conda-forge
ncurses 6.2 h58526e2_4 conda-forge
nest-asyncio 1.4.3 pyhd8ed1ab_0 conda-forge
nodeenv 1.5.0 pyh9f0ad1d_0 conda-forge
notebook 6.1.6 py37h89c1867_0 conda-forge
numba 0.52.0 py37hdc94413_0 conda-forge
numpy 1.19.5 py37haa41c4c_0 conda-forge
numpydoc 1.1.0 py_1 conda-forge
nvtx 0.2.1 py37h8f50634_2 conda-forge
olefile 0.46 pyh9f0ad1d_1 conda-forge
openssl 1.1.1i h7f98852_0 conda-forge
orc 1.6.6 h7950760_1 conda-forge
packaging 20.8 pyhd3deb0d_0 conda-forge
pandas 1.1.5 py37hdc94413_0 conda-forge
pandoc 1.19.2 0 conda-forge
pandocfilters 1.4.2 py_1 conda-forge
parquet-cpp 1.5.1 2 conda-forge
parso 0.7.1 pyh9f0ad1d_0 conda-forge
partd 1.1.0 py_0 conda-forge
pathspec 0.8.1 pyhd3deb0d_0 conda-forge
pexpect 4.8.0 pyh9f0ad1d_2 conda-forge
pickleshare 0.7.5 py_1003 conda-forge
pillow 8.1.0 py37he6b4880_0 conda-forge
pip 20.3.3 pyhd8ed1ab_0 conda-forge
pluggy 0.13.1 py37he5f6b98_3 conda-forge
pre-commit 2.9.3 py37h89c1867_0 conda-forge
pre_commit 2.9.3 hd8ed1ab_0 conda-forge
prometheus_client 0.9.0 pyhd3deb0d_0 conda-forge
prompt-toolkit 3.0.9 pyha770c72_0 conda-forge
protobuf 3.14.0 py37hcd2ae1e_0 conda-forge
psutil 5.8.0 py37h5e8e339_0 conda-forge
ptyprocess 0.7.0 pyhd3deb0d_0 conda-forge
py 1.10.0 pyhd3deb0d_0 conda-forge
py-cpuinfo 7.0.0 pyh9f0ad1d_0 conda-forge
pyarrow 1.0.1 py37h9267296_19_cuda conda-forge
pybind11 2.6.1 pypi_0 pypi
pycodestyle 2.6.0 pyh9f0ad1d_0 conda-forge
pycparser 2.20 pyh9f0ad1d_2 conda-forge
pyflakes 2.2.0 pyh9f0ad1d_0 conda-forge
pygments 2.7.3 pyhd8ed1ab_0 conda-forge
pyopenssl 20.0.1 pyhd8ed1ab_0 conda-forge
pyorc 0.3.0 pypi_0 pypi
pyparsing 2.4.7 pyh9f0ad1d_0 conda-forge
pyrsistent 0.17.3 py37h4abf009_1 conda-forge
pysocks 1.7.1 py37he5f6b98_2 conda-forge
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pytest-xdist 2.2.0 pyhd8ed1ab_0 conda-forge
python 3.7.9 hffdb5ce_0_cpython conda-forge
python-dateutil 2.8.1 py_0 conda-forge
python_abi 3.7 1_cp37m conda-forge
pytz 2020.5 pyhd8ed1ab_0 conda-forge
pyyaml 5.3.1 py37hb5d75c8_1 conda-forge
pyzmq 20.0.0 py37h5a562af_1 conda-forge
rapidjson 1.1.0 he1b5a44_1002 conda-forge
re2 2020.11.01 h58526e2_0 conda-forge
readline 8.0 he28a2e2_2 conda-forge
recommonmark 0.7.1 pyhd8ed1ab_0 conda-forge
regex 2020.11.13 py37h5e8e339_0 conda-forge
requests 2.25.1 pyhd3deb0d_0 conda-forge
rhash 1.3.6 h516909a_1001 conda-forge
rmm 0.18.0a210106 cuda_10.2_py37_g9fed212_19 rapidsai-nightly
send2trash 1.5.0 py_0 conda-forge
setuptools 49.6.0 py37he5f6b98_2 conda-forge
six 1.15.0 pyh9f0ad1d_0 conda-forge
snappy 1.1.8 he1b5a44_3 conda-forge
snowballstemmer 2.0.0 py_0 conda-forge
sortedcontainers 2.3.0 pyhd8ed1ab_0 conda-forge
spdlog 1.7.0 hc9558a2_2 conda-forge
sphinx 3.4.2 pyhd8ed1ab_0 conda-forge
sphinx-copybutton 0.3.1 pyhd8ed1ab_0 conda-forge
sphinx-markdown-tables 0.0.15 pyhd3deb0d_0 conda-forge
sphinx_rtd_theme 0.5.1 pyhd3deb0d_0 conda-forge
sphinxcontrib-applehelp 1.0.2 py_0 conda-forge
sphinxcontrib-devhelp 1.0.2 py_0 conda-forge
sphinxcontrib-htmlhelp 1.0.3 py_0 conda-forge
sphinxcontrib-jsmath 1.0.1 py_0 conda-forge
sphinxcontrib-qthelp 1.0.3 py_0 conda-forge
sphinxcontrib-serializinghtml 1.1.4 py_0 conda-forge
sphinxcontrib-websupport 1.2.4 pyh9f0ad1d_0 conda-forge
sqlite 3.34.0 h74cdb3f_0 conda-forge
streamz 0.6.1 pyhd3deb0d_1 conda-forge
tblib 1.6.0 py_0 conda-forge
terminado 0.9.2 py37h89c1867_0 conda-forge
testpath 0.4.4 py_0 conda-forge
tk 8.6.10 h21135ba_1 conda-forge
toml 0.10.2 pyhd8ed1ab_0 conda-forge
toolz 0.11.1 py_0 conda-forge
tornado 6.1 py37h4abf009_0 conda-forge
traitlets 5.0.5 py_0 conda-forge
typed-ast 1.4.2 py37h5e8e339_0 conda-forge
typing_extensions 3.7.4.3 py_0 conda-forge
urllib3 1.26.2 pyhd8ed1ab_0 conda-forge
virtualenv 20.2.2 py37h89c1867_0 conda-forge
wcwidth 0.2.5 pyh9f0ad1d_2 conda-forge
webencodings 0.5.1 py_1 conda-forge
wheel 0.36.2 pyhd3deb0d_0 conda-forge
xz 5.2.5 h516909a_1 conda-forge
yaml 0.2.5 h516909a_0 conda-forge
zeromq 4.3.3 h58526e2_3 conda-forge
zict 2.0.0 py_0 conda-forge
zipp 3.4.0 py_0 conda-forge
zlib 1.2.11 h516909a_1010 conda-forge
zstd 1.4.8 ha95c52a_1 conda-forge
**Additional context**
Surfaced in fuzz testing: #6001
Contributor guide
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This issue has not been assessed yet.