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[FEA] Support missing casting operations in cudf-polars #17060

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brandon-b-miller opened this issue Oct 11, 2024 · 0 comments
Open

[FEA] Support missing casting operations in cudf-polars #17060

brandon-b-miller opened this issue Oct 11, 2024 · 0 comments
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@brandon-b-miller
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cudf.polars Issues specific to cudf.polars feature request New feature or request Python Affects Python cuDF API.

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@brandon-b-miller
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Several casting operations are missing from cudf-polars that are common in real world workflows:

polars.exceptions.ComputeError: 'cuda' conversion failed: NotImplementedError: Can't cast FLOAT64 to STRING
polars.exceptions.ComputeError: 'cuda' conversion failed: NotImplementedError: Can't cast INT64 to TIMESTAMP_NANOSECONDS
polars.exceptions.ComputeError: 'cuda' conversion failed: NotImplementedError: Can't cast INT64 to STRING

Implementing these would help round out the feature set for the cudf-polars API and some require pylibcudf apis that are mostly already exposed.
@brandon-b-miller brandon-b-miller added cudf.polars Issues specific to cudf.polars feature request New feature or request labels Oct 11, 2024
@brandon-b-miller brandon-b-miller self-assigned this Oct 11, 2024
@brandon-b-miller brandon-b-miller mentioned this issue Oct 14, 2024
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rapids-bot bot pushed a commit that referenced this issue Nov 7, 2024
@brandon-b-miller
cudf-polars string/numeric casting (#17076)
e4c52dd 
Depends on #16991
Part of #17060

Implements cross casting from string <-> numeric types in `cudf-polars`

Authors:
  - https://github.com/brandon-b-miller
  - Matthew Murray (https://github.com/Matt711)
  - Vyas Ramasubramani (https://github.com/vyasr)

Approvers:
  - Lawrence Mitchell (https://github.com/wence-)
  - Muhammad Haseeb (https://github.com/mhaseeb123)
  - Matthew Murray (https://github.com/Matt711)

URL: #17076
@vyasr vyasr added the Python Affects Python cuDF API. label Nov 14, 2024
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cudf.polars Issues specific to cudf.polars feature request New feature or request Python Affects Python cuDF API.
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cuDF Python
Status: Todo
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@vyasr @brandon-b-miller