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rapidsai / cudf

cuDF - GPU DataFrame Library
https://docs.rapids.ai/api/cudf/stable/
Apache License 2.0
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[FEA] Support constructing `datetime64[ms]` series with `pd.NaT` #6456

Open isVoid opened 3 years ago

isVoid commented 3 years ago

Is your feature request related to a problem? Please describe. Currently when I construct a datetime series with pandas.NaT:

import cudf as gd
import pandas as pd
gd.Series(["2020-05-01 08:00:00", pd.NaT], dtype="<M8[ms]")

It throws:

Traceback (most recent call last):
  File "/home/wangm/dev/rapids/cudf/python/cudf/cudf/core/column/column.py", line 1772, in as_column
    memoryview(arbitrary), dtype=dtype, nan_as_null=nan_as_null
TypeError: memoryview: a bytes-like object is required, not 'list'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/wangm/dev/rapids/cudf/python/cudf/cudf/core/column/column.py", line 1801, in as_column
    else nan_as_null,
  File "pyarrow/array.pxi", line 269, in pyarrow.lib.array
  File "pyarrow/array.pxi", line 38, in pyarrow.lib._sequence_to_array
TypeError: an integer is required (got type str)

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/wangm/dev/rapids/cudf/python/cudf/cudf/core/series.py", line 188, in __init__
    data = column.as_column(data, nan_as_null=nan_as_null, dtype=dtype)
  File "/home/wangm/dev/rapids/cudf/python/cudf/cudf/core/column/column.py", line 1823, in as_column
    else np.dtype(native_dtype),
  File "/home/wangm/dev/rapids/compose/etc/conda/cuda_10.2/envs/rapids/lib/python3.7/site-packages/numpy/core/_asarray.py", line 83, in asarray
    return array(a, dtype, copy=False, order=order)
ValueError: cannot convert float NaN to integer

Describe the solution you'd like cudf.Series constructor works with null values, which match with pandas behavior.

Describe alternatives you've considered

gd.Series(["2020-05-01 08:00:00", None], dtype="<M8[ms]")

Additional context

Click here to see environment details

     **git***
     commit 305f1dc6935c5257c018e129dfbc17c90739b647 (HEAD -> i6129, origin/i6129)
     Author: Michael Wang 
     Date:   Tue Oct 6 20:37:17 2020 -0700

     changelog
     **git submodules***

     ***OS Information***
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     Tue Oct  6 20:57:30 2020
     +-----------------------------------------------------------------------------+
     | NVIDIA-SMI 450.66       Driver Version: 450.66       CUDA Version: 11.0     |
     |-------------------------------+----------------------+----------------------+
     | GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
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     |                               |                      |               MIG M. |
     |===============================+======================+======================|
     |   0  Quadro RTX 8000     Off  | 00000000:15:00.0 Off |                  Off |
     | 33%   40C    P8    28W / 260W |    592MiB / 48601MiB |      0%      Default |
     |                               |                      |                  N/A |
     +-------------------------------+----------------------+----------------------+

     +-----------------------------------------------------------------------------+
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     |  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
     |        ID   ID                                                   Usage      |
     |=============================================================================|
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     ***CMake***
     /home/wangm/dev/rapids/compose/etc/conda/cuda_10.2/envs/rapids/bin/cmake
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     /usr/local/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
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     ***nvcc***
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     nvcc: NVIDIA (R) Cuda compiler driver
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     Cuda compilation tools, release 10.2, V10.2.89

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     ***conda packages***
     /home/wangm/dev/rapids/compose/etc/conda/cuda_10.2/bin/conda
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     #
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     pixman                    0.38.0            h516909a_1003    conda-forge
     pluggy                    0.13.1           py37hc8dfbb8_2    conda-forge
     poppler                   0.89.0               h4190859_1    conda-forge
     poppler-data              0.4.9                         0    conda-forge
     postgresql                12.3                 h8573dbc_0    conda-forge
     pre-commit                2.7.1            py37hc8dfbb8_0    conda-forge
     pre_commit                2.7.1                         0    conda-forge
     proj                      7.1.0                h966b41f_1    conda-forge
     prometheus_client         0.8.0              pyh9f0ad1d_0    conda-forge
     prompt-toolkit            3.0.7                      py_0    conda-forge
     psutil                    5.7.2            py37h8f50634_0    conda-forge
     pthread-stubs             0.4               h14c3975_1001    conda-forge
     ptvsd                     4.3.2                    pypi_0    pypi
     ptyprocess                0.6.0                 py37_1000    conda-forge
     py                        1.9.0              pyh9f0ad1d_0    conda-forge
     py-cpuinfo                7.0.0              pyh9f0ad1d_0    conda-forge
     pyarrow                   1.0.1           py37h72578d1_7_cuda    conda-forge
     pycodestyle               2.6.0              pyh9f0ad1d_0    conda-forge
     pycparser                 2.20               pyh9f0ad1d_2    conda-forge
     pyflakes                  2.2.0              pyh9f0ad1d_0    conda-forge
     pygal                     2.4.0                      py_0    conda-forge
     pygments                  2.7.1                      py_0    conda-forge
     pynvml                    8.0.4                      py_1    conda-forge
     pyopenssl                 19.1.0                   py37_0    conda-forge
     pyparsing                 2.4.7              pyh9f0ad1d_0    conda-forge
     pyproj                    2.6.1.post1      py37hb5dadc3_1    conda-forge
     pyrsistent                0.17.3           py37h8f50634_0    conda-forge
     pysocks                   1.7.1            py37hc8dfbb8_1    conda-forge
     pytest                    6.1.0            py37hc8dfbb8_0    conda-forge
     pytest-benchmark          3.2.3              pyh9f0ad1d_0    conda-forge
     pytest-forked             1.3.0                    pypi_0    pypi
     pytest-xdist              2.1.0                    pypi_0    pypi
     python                    3.7.8           h425cb1d_1_cpython    conda-forge
     python-dateutil           2.8.1                      py_0    conda-forge
     python-louvain            0.13                       py_0    conda-forge
     python_abi                3.7                     1_cp37m    conda-forge
     pytz                      2020.1             pyh9f0ad1d_0    conda-forge
     pyyaml                    5.3.1            py37h8f50634_0    conda-forge
     pyzmq                     19.0.2           py37hac76be4_0    conda-forge
     rapidjson                 1.1.0             hf484d3e_1002    conda-forge
     rapids-pytest-benchmark   0.0.13                     py_0    rapidsai
     re2                       2020.08.01           he1b5a44_1    conda-forge
     readline                  8.0                  he28a2e2_2    conda-forge
     recommonmark              0.6.0                      py_0    conda-forge
     regex                     2020.9.27        py37h8f50634_0    conda-forge
     requests                  2.24.0             pyh9f0ad1d_0    conda-forge
     rhash                     1.3.6             h14c3975_1001    conda-forge
     rtree                     0.9.4            py37h8526d28_1    conda-forge
     s3transfer                0.3.3            py37hc8dfbb8_1    conda-forge
     scikit-learn              0.23.1           py37h8a51577_0    conda-forge
     scipy                     1.5.2            py37hb14ef9d_0    conda-forge
     send2trash                1.5.0                      py_0    conda-forge
     setuptools                49.6.0           py37hc8dfbb8_1    conda-forge
     shapely                   1.7.1            py37hedb1597_0    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          2.2.2              pyh9f0ad1d_0    conda-forge
     spdlog                    1.7.0                hc9558a2_2    conda-forge
     sphinx                    3.2.1                      py_0    conda-forge
     sphinx-copybutton         0.3.0              pyh9f0ad1d_0    conda-forge
     sphinx-markdown-tables    0.0.15                   pypi_0    pypi
     sphinx_rtd_theme          0.5.0              pyh9f0ad1d_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                    3.33.0               h4cf870e_0    conda-forge
     streamz                   0.6.0                    pypi_0    pypi
     tbb                       2020.2               hc9558a2_0    conda-forge
     tblib                     1.6.0                      py_0    conda-forge
     terminado                 0.9.1            py37hc8dfbb8_0    conda-forge
     testpath                  0.4.4                      py_0    conda-forge
     threadpoolctl             2.1.0              pyh5ca1d4c_0    conda-forge
     tiledb                    2.0.8                h3effe38_1    conda-forge
     tk                        8.6.10               hed695b0_0    conda-forge
     toml                      0.10.1             pyh9f0ad1d_0    conda-forge
     toolz                     0.11.1                     py_0    conda-forge
     tornado                   6.0.4            py37h8f50634_1    conda-forge
     traitlets                 5.0.4                      py_1    conda-forge
     treelite                  0.92             py37h023e13c_2    conda-forge
     treelite-runtime          0.92                     pypi_0    pypi
     typed-ast                 1.4.1            py37h516909a_0    conda-forge
     typing_extensions         3.7.4.2                    py_0    conda-forge
     tzcode                    2020a                h516909a_0    conda-forge
     ucx                       1.8.1+g6b29558       ha5db111_0    rapidsai
     ucx-py                    0.16.0a201003   py37_g6b29558_183    rapidsai-nightly
     umap-learn                0.4.6            py37hc8dfbb8_0    conda-forge
     urllib3                   1.25.10                    py_0    conda-forge
     virtualenv                20.0.20          py37hc8dfbb8_1    conda-forge
     wcwidth                   0.2.5              pyh9f0ad1d_2    conda-forge
     webencodings              0.5.1                      py_1    conda-forge
     wheel                     0.35.1             pyh9f0ad1d_0    conda-forge
     xerces-c                  3.2.3                hfe33f54_1    conda-forge
     xorg-kbproto              1.0.7             h14c3975_1002    conda-forge
     xorg-libice               1.0.10               h516909a_0    conda-forge
     xorg-libsm                1.2.3             h84519dc_1000    conda-forge
     xorg-libx11               1.6.12               h516909a_0    conda-forge
     xorg-libxau               1.0.9                h14c3975_0    conda-forge
     xorg-libxdmcp             1.1.3                h516909a_0    conda-forge
     xorg-libxext              1.3.4                h516909a_0    conda-forge
     xorg-libxrender           0.9.10            h516909a_1002    conda-forge
     xorg-renderproto          0.11.1            h14c3975_1002    conda-forge
     xorg-xextproto            7.3.0             h14c3975_1002    conda-forge
     xorg-xproto               7.0.31            h14c3975_1007    conda-forge
     xz                        5.2.5                h516909a_1    conda-forge
     yaml                      0.2.5                h516909a_0    conda-forge
     zeromq                    4.3.3                he1b5a44_1    conda-forge
     zict                      2.0.0                      py_0    conda-forge
     zipp                      3.3.0                      py_0    conda-forge
     zlib                      1.2.11            h516909a_1009    conda-forge
     zstd                      1.4.5                h6597ccf_2    conda-forge
davidwendt commented 3 years ago

The following works in case it helps:

gd.Series(["2020-05-01 08:00:00", None], dtype="<M8[ms]")
github-actions[bot] commented 3 years ago

This issue has been marked rotten due to no recent activity in the past 90d. Please close this issue if no further response or action is needed. Otherwise, please respond with a comment indicating any updates or changes to the original issue and/or confirm this issue still needs to be addressed.

isVoid commented 3 years ago

Confirmed the issue still exists in 0.18.

github-actions[bot] commented 3 years ago

This issue has been labeled inactive-90d due to no recent activity in the past 90 days. Please close this issue if no further response or action is needed. Otherwise, please respond with a comment indicating any updates or changes to the original issue and/or confirm this issue still needs to be addressed.