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InMemoryDataset

oxirs_arq::executor::dataset

Struct InMemoryDataset 

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

In-memory dataset implementation for testing

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impl InMemoryDataset

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pub fn new() -> Self

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pub fn add_triple( &mut self, subject: AlgebraTerm, predicate: AlgebraTerm, object: AlgebraTerm, )

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pub fn from_triples( triples: Vec<(AlgebraTerm, AlgebraTerm, AlgebraTerm)>, ) -> Self

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impl Clone for InMemoryDataset

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fn clone(&self) -> InMemoryDataset

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Dataset for InMemoryDataset

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fn find_triples( &self, pattern: &TriplePattern, ) -> Result<Vec<(AlgebraTerm, AlgebraTerm, AlgebraTerm)>>

Find all triples matching the given pattern
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fn contains_triple( &self, subject: &AlgebraTerm, predicate: &AlgebraTerm, object: &AlgebraTerm, ) -> Result<bool>

Check if a triple exists in the dataset
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fn subjects(&self) -> Result<Vec<AlgebraTerm>>

Get all subjects in the dataset
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fn predicates(&self) -> Result<Vec<AlgebraTerm>>

Get all predicates in the dataset
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fn objects(&self) -> Result<Vec<AlgebraTerm>>

Get all objects in the dataset
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impl Debug for InMemoryDataset

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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 Default for InMemoryDataset

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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fn borrow_mut(&mut self) -> &mut T

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impl<T> CloneToUninit for T
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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fn into_either(self, into_left: bool) -> Either<Self, 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 and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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The inverse inclusion map: attempts to construct self from the equivalent element of its superset. Read more
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