Struct CategoricalChunkedBuilder

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pub struct CategoricalChunkedBuilder { /* private fields */ }

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impl CategoricalChunkedBuilder

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pub fn new( name: PlSmallStr, capacity: usize, ordering: CategoricalOrdering, ) -> CategoricalChunkedBuilder

Available on crate feature dtype-categorical only.

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pub fn register_value(&mut self, s: &str) -> (u32, bool)

Available on crate feature dtype-categorical only.

Registers a value to a categorical index without pushing it. Returns the index and if the value was new.

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pub fn append_value(&mut self, s: &str)

Available on crate feature dtype-categorical only.

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pub fn append_null(&mut self)

Available on crate feature dtype-categorical only.

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pub fn append(&mut self, opt_s: Option<&str>)

Available on crate feature dtype-categorical only.

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pub fn drain_iter_and_finish<'a, I>(self, i: I) -> CategoricalChunked
where I: IntoIterator<Item = Option<&'a str>>,

Available on crate feature dtype-categorical only.

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pub fn finish(self) -> CategoricalChunked

Available on crate feature dtype-categorical only.

Auto Trait Implementations§

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impl UnwindSafe for CategoricalChunkedBuilder

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fn instrument(self, span: Span) -> Instrumented<Self>

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Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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