Method cast_storage_to

datafusion/common/src/metadata.rs:58–64

Cast this values's storage type This operation assumes that if the underlying [ScalarValue] can be casted to a given type that any extension type represented by the metadata is also valid.

(
        &self,
        target_type: &DataType,
    )

    /// to a given type that any extension type represented by the metadata is also
    /// valid.
    pub fn cast_storage_to(
        &self,
        target_type: &DataType,
    ) -> Result<Self, DataFusionError> {
        let new_value = self.value().cast_to(target_type)?;
        Ok(Self::new(new_value, self.metadata.clone()))
    }
}

/// create a new ScalarAndMetadata from a ScalarValue without