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feat(rust,python): improved detail in several error messages #8747

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alexander-beedie
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@alexander-beedie alexander-beedie commented May 8, 2023

Closes #8743.

  • More accurate error for (currently) unsupported SQL set operations (eg: UNION, EXCEPT, INTERSECT).
  • More detail in check_map_output_len error (include the mismatched lengths).

@alexander-beedie alexander-beedie added skip changelog Do not include in changelog A-sql Area: Polars SQL functionality labels May 8, 2023
@github-actions github-actions bot added enhancement New feature or an improvement of an existing feature python Related to Python Polars rust Related to Rust Polars labels May 8, 2023
@alexander-beedie alexander-beedie removed the skip changelog Do not include in changelog label May 8, 2023
@alexander-beedie alexander-beedie merged commit adfaac3 into pola-rs:main May 8, 2023
@alexander-beedie alexander-beedie deleted the improve-some-errors branch May 8, 2023 16:09
c-peters pushed a commit to c-peters/polars that referenced this pull request Jul 14, 2023
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UNION clause throws cryptic error in SQLContext
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