Add negate kernels (#4488) #4494
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Will add interval tests shortly, realise I forgot |
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Should I wait to review this PR until you wrote those tests? Or did you add them to #4493 ? |
alamb
approved these changes
Jul 10, 2023
arrow-arith/src/numeric.rs
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| /// Perform `!array`, returning an error on overflow |
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| /// Perform `!array`, returning an error on overflow | |
| /// Negates each element of `array`, returning an error on overflow |
I am not really sure what "Performs !array" means
arrow-arith/src/numeric.rs
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| /// Perform `!array`, returning an error on overflow | ||
| /// | ||
| /// Note: negation of unsigned arrays is not supported and will return in an error, | ||
| /// for wrapping unsigned negation consider using [`neg_wrapping()`] |
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| /// for wrapping unsigned negation consider using [`neg_wrapping()`] | |
| /// for wrapping unsigned negation consider using [`neg_wrapping`] |
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This is necessary to avoid ambiguity, will change to a link
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sorry it just looked strange to me
arrow-arith/src/numeric.rs
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| /// Perform `!array`, wrapping on overflow for [`DataType::is_integer`] |
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| /// Perform `!array`, wrapping on overflow for [`DataType::is_integer`] | |
| /// Negates each element of `array` , wrapping on overflow for [`DataType::is_integer`] |
| Duration(Millisecond) => neg_checked!(DurationMillisecondType, array), | ||
| Duration(Microsecond) => neg_checked!(DurationMicrosecondType, array), | ||
| Duration(Nanosecond) => neg_checked!(DurationNanosecondType, array), | ||
| Interval(YearMonth) => neg_checked!(IntervalYearMonthType, array), |
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I double checked that YearMonth intervals are stored as number of whole intervals and thus don't need to be treated field by field
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Which issue does this PR close?
Closes #4488
Rationale for this change
What changes are included in this PR?
Are there any user-facing changes?