DefaultRdfFusionFunctionRegistry

rdf_fusion::functions::registry

Struct DefaultRdfFusionFunctionRegistry 

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pub struct DefaultRdfFusionFunctionRegistry { /* private fields */ }
Expand description

The default implementation of the RdfFusionFunctionRegistry trait.

This registry provides implementations for all standard SPARQL functions defined in the SPARQL 1.1 specification, mapping them to their corresponding DataFusion UDFs and UDAFs.

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impl Debug for DefaultRdfFusionFunctionRegistry

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

Formats the value using the given formatter. Read more
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impl RdfFusionFunctionRegistry for DefaultRdfFusionFunctionRegistry

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fn udf_supported_encodings( &self, function_name: &FunctionName, ) -> Result<Vec<EncodingName>, DataFusionError>

Returns the encodings supported by function_name.
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fn udf( &self, function_name: &FunctionName, ) -> Result<Arc<ScalarUDF>, DataFusionError>

Creates a ScalarUDF.
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fn udaf( &self, function_name: &FunctionName, ) -> Result<Arc<AggregateUDF>, DataFusionError>

Creates a AggregateUDF.
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fn register_udf(&self, udf: ScalarUDF)

Register a ScalarUDF.
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fn register_udaf(&self, udaf: AggregateUDF)

Register a AggregateUDF.

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

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