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PythonWorkerUdf

krishiv_sql::python_udf

Struct PythonWorkerUdf 

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pub struct PythonWorkerUdf { /* private fields */ }
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A scalar UDF whose implementation is a cloudpickled Python callable executed in a PythonWorkerPool. Ships to and runs on the distributed executors.

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impl PythonWorkerUdf

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pub fn new( name: impl Into<String>, pickle: Vec<u8>, input_schema: Schema, output_field: Field, pool: Arc<PythonWorkerPool>, ) -> Self

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impl Debug for PythonWorkerUdf

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl ScalarUdf for PythonWorkerUdf

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fn name(&self) -> &str

Unique name used to look up this UDF in a UdfRegistry.
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fn input_schema(&self) -> &Schema

The schema of the input columns this UDF expects.
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fn output_field(&self) -> &Field

The output field (name + data-type) produced by this UDF.
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fn call(&self, batch: &RecordBatch) -> Result<ArrayRef, UdfError>

Execute the UDF over batch, returning one value per row.
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fn volatility(&self) -> Volatility

Volatility classification of the UDF (S3). Read more

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impl<T> Allocation for T
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impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FutureExt for T

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fn with_context(self, otel_cx: Context) -> WithContext<Self> ⓘ

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fn into(self) -> U

Calls U::from(self).

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const ALIGN: usize

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type Init = T

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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unsafe fn drop(ptr: usize)

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fn vzip(self) -> V

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