pub struct ReadOnlyMultimapTable<'txn, K: RedbKey + 'static, V: RedbKey + 'static> { /* private fields */ }
Expand description

A read-only multimap table

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impl<'txn, K: RedbKey + 'static, V: RedbKey + 'static> ReadableMultimapTable<K, V> for ReadOnlyMultimapTable<'txn, K, V>

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fn get<'a>( &self, key: impl Borrow<K::SelfType<'a>> ) -> Result<MultimapValue<'_, V>, StorageError>where K: 'a,

Returns an iterator over all values for the given key. Values are in ascending order.

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fn range<'a, KR>( &self, range: impl RangeBounds<KR> + 'a ) -> Result<MultimapRange<'_, K, V>, StorageError>where K: 'a, KR: Borrow<K::SelfType<'a>> + 'a,

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fn len(&self) -> Result<u64, StorageError>

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fn is_empty(&self) -> Result<bool, StorageError>

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fn iter(&self) -> Result<MultimapRange<'_, K, V>, StorageError>

Returns an double-ended iterator over all elements in the table. Values are in ascending order.

Auto Trait Implementations§

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impl<'txn, K, V> RefUnwindSafe for ReadOnlyMultimapTable<'txn, K, V>where K: RefUnwindSafe, V: RefUnwindSafe,

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impl<'txn, K, V> Send for ReadOnlyMultimapTable<'txn, K, V>where K: Send, V: Send,

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impl<'txn, K, V> Sync for ReadOnlyMultimapTable<'txn, K, V>where K: Sync, V: Sync,

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impl<'txn, K, V> Unpin for ReadOnlyMultimapTable<'txn, K, V>where K: Unpin, V: Unpin,

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impl<'txn, K, V> UnwindSafe for ReadOnlyMultimapTable<'txn, K, V>where K: UnwindSafe, V: UnwindSafe,

Blanket Implementations§

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

Mutably borrows from an owned value. Read more
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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 Twhere 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 Twhere U: Into<T>,

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type Error = Infallible

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

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere 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.