UdfSchema

Trait UdfSchema 

pub trait UdfSchema: Send + Sync {
    // Required method
    fn get_schema(
        &self,
        input_schema: &Schema<DataType, ()>,
    ) -> Result<Arc<Schema<DataType, ()>>, PolarsError>;
}

Required Methods§

fn get_schema( &self, input_schema: &Schema<DataType, ()>, ) -> Result<Arc<Schema<DataType, ()>>, PolarsError>

Trait Implementations§

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impl Debug for dyn UdfSchema

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

Formats the value using the given formatter. Read more

Implementors§

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impl<F> UdfSchema for F
where F: Fn(&Schema<DataType, ()>) -> Result<Arc<Schema<DataType, ()>>, PolarsError> + Send + Sync,