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Add support for explicit casts between signed and unsigned ints #81

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Add support for explicit casts between signed and unsigned ints#81

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@alamb
alamb
opened on Apr 26, 2021

Note: migrated from original JIRA: https://issues.apache.org/jira/browse/ARROW-8910

Add support for explicit casts between signed and unsigned ints.

Note that the type coercion optimizer rule shoud never implicity perform casts between types when data would be lost e.g. from negative value to unsigned type.

Activity

  1. andygrove
    transferred this issue fromapache/arrow-rson Apr 26, 2021
  2. alamb
    changed the title [-][DataFusion] Add support for explicit casts between signed and unsigned ints[/-] [+]Add support for explicit casts between signed and unsigned ints[/+] on Apr 26, 2021
  3. alamb
    added
    datafusion
    on Apr 26, 2021

  4. alamb commented on Jun 11, 2023

    @alamb
    alamb
    on Jun 11, 2023
    ContributorAuthor

    I think we have this feature today

    https://arrow.apache.org/datafusion/user-guide/sql/data_types.html

    We can also use arrow_cast if needed

  5. alamb
    closed this as completedon Jun 11, 2023
  6. aditanase
    added 2 commits that reference this issue on May 15, 2025

    Infer placeholder datatype after `LIMIT` clause as `DataType::Int64` (a…

    a898971

    Infer placeholder datatype after `LIMIT` clause as `DataType::Int64` (a…

    b474479
  7. HairstonE
    added a commit that references this issue on Oct 7, 2025

    Fixes apache#81 - Add CI workflow for source distribution (apache#93)

    1180321
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