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HashTriejoin

kermit_algos

Struct HashTriejoin 

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pub struct HashTriejoin {}
Expand description

Entry point for the hash-trie-join algorithm.

Implements JoinAlgo for any HashTrieIterable data structure. See the module docs for the algorithm overview.

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impl<DS> JoinAlgo<DS> for HashTriejoin
where DS: HashTrieIterable,

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fn join_iter( query: JoinQuery, datastructures: HashMap<String, &DS>, ) -> impl Iterator<Item = Vec<usize>>

Joins the given iterables based on the specified join plan. Returns an iterator over the resulting join.

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

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fn type_id(&self) -> TypeId

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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

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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, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
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type Error = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.