reth_db_api::mock

Struct CursorMock

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

Cursor that iterates over table

Trait Implementations§

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impl<T: Table> DbCursorRO<T> for CursorMock

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fn first(&mut self) -> PairResult<T>

Positions the cursor at the first entry in the table, returning it.
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fn seek_exact(&mut self, _key: T::Key) -> PairResult<T>

Seeks to the KV pair exactly at key.
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fn seek(&mut self, _key: T::Key) -> PairResult<T>

Seeks to the KV pair whose key is greater than or equal to key.
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fn next(&mut self) -> PairResult<T>

Position the cursor at the next KV pair, returning it.
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fn prev(&mut self) -> PairResult<T>

Position the cursor at the previous KV pair, returning it.
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fn last(&mut self) -> PairResult<T>

Positions the cursor at the last entry in the table, returning it.
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fn current(&mut self) -> PairResult<T>

Get the KV pair at the cursor’s current position.
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fn walk( &mut self, start_key: Option<T::Key>, ) -> Result<Walker<'_, T, Self>, DatabaseError>

Get an iterator that walks through the table. Read more
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fn walk_range( &mut self, range: impl RangeBounds<T::Key>, ) -> Result<RangeWalker<'_, T, Self>, DatabaseError>

Get an iterator that walks over a range of keys in the table.
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fn walk_back( &mut self, start_key: Option<T::Key>, ) -> Result<ReverseWalker<'_, T, Self>, DatabaseError>

Get an iterator that walks through the table in reverse order. Read more
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impl<T: Table> DbCursorRW<T> for CursorMock

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fn upsert( &mut self, _key: <T as Table>::Key, _value: <T as Table>::Value, ) -> Result<(), DatabaseError>

Database operation that will update an existing row if a specified value already exists in a table, and insert a new row if the specified value doesn’t already exist
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fn insert( &mut self, _key: <T as Table>::Key, _value: <T as Table>::Value, ) -> Result<(), DatabaseError>

Database operation that will insert a row at a given key. If the key is already present, the operation will result in an error.
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fn append( &mut self, _key: <T as Table>::Key, _value: <T as Table>::Value, ) -> Result<(), DatabaseError>

Append value to next cursor item. Read more
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fn delete_current(&mut self) -> Result<(), DatabaseError>

Delete current value that cursor points to
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impl<T: DupSort> DbDupCursorRO<T> for CursorMock

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fn next_dup(&mut self) -> PairResult<T>

Positions the cursor at the next KV pair of the table, returning it.
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fn next_no_dup(&mut self) -> PairResult<T>

Positions the cursor at the next KV pair of the table, skipping duplicates.
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fn next_dup_val(&mut self) -> ValueOnlyResult<T>

Positions the cursor at the next duplicate value of the current key.
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fn seek_by_key_subkey( &mut self, _key: <T as Table>::Key, _subkey: <T as DupSort>::SubKey, ) -> ValueOnlyResult<T>

Positions the cursor at the entry greater than or equal to the provided key/subkey pair. Read more
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fn walk_dup( &mut self, _key: Option<T::Key>, _subkey: Option<<T as DupSort>::SubKey>, ) -> Result<DupWalker<'_, T, Self>, DatabaseError>

Get an iterator that walks through the dup table. Read more
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impl<T: DupSort> DbDupCursorRW<T> for CursorMock

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fn delete_current_duplicates(&mut self) -> Result<(), DatabaseError>

Delete all duplicate entries for current key.
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fn append_dup( &mut self, _key: T::Key, _value: T::Value, ) -> Result<(), DatabaseError>

Append duplicate value. Read more
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impl Debug for CursorMock

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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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

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where 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> Conv for T

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fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into T using Into<T>. Read more
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impl<T> FmtForward for T

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fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.
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fn fmt_display(self) -> FmtDisplay<Self>
where Self: Display,

Causes self to use its Display implementation when Debug-formatted.
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fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

Causes self to use its LowerHex implementation when Debug-formatted.
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fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

Causes self to use its Octal implementation when Debug-formatted.
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fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

Causes self to use its Pointer implementation when Debug-formatted.
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fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

Causes self to use its UpperExp implementation when Debug-formatted.
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fn fmt_upper_hex(self) -> FmtUpperHex<Self>
where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.
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fn fmt_list(self) -> FmtList<Self>
where &'a Self: for<'a> IntoIterator,

Formats each item in a sequence. 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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

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where U: From<T>,

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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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R
where Self: Sized,

Pipes by value. This is generally the method you want to use. Read more
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fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

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where Self: Borrow<B>, B: 'a + ?Sized, R: 'a,

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where Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.borrow_mut() into the pipe function. Read more
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where Self: AsRef<U>, U: 'a + ?Sized, R: 'a,

Borrows self, then passes self.as_ref() into the pipe function.
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where Self: AsMut<U>, U: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.as_mut() into the pipe function.
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where Self: Deref<Target = T>, T: 'a + ?Sized, R: 'a,

Borrows self, then passes self.deref() into the pipe function.
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where Self: DerefMut<Target = T> + Deref, T: 'a + ?Sized, R: 'a,

Mutably borrows self, then passes self.deref_mut() into the pipe function.
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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn drop(ptr: usize)

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type Output = T

Should always be Self
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impl<T> Tap for T

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fn tap(self, func: impl FnOnce(&Self)) -> Self

Immutable access to a value. Read more
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fn tap_mut(self, func: impl FnOnce(&mut Self)) -> Self

Mutable access to a value. Read more
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fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

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where Self: AsMut<R>, R: ?Sized,

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where Self: Deref<Target = T>, T: ?Sized,

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fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

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fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self

Calls .tap() only in debug builds, and is erased in release builds.
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fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self

Calls .tap_mut() only in debug builds, and is erased in release builds.
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fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
where Self: Borrow<B>, B: ?Sized,

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fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
where Self: BorrowMut<B>, B: ?Sized,

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fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
where Self: AsRef<R>, R: ?Sized,

Calls .tap_ref() only in debug builds, and is erased in release builds.
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fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
where Self: AsMut<R>, R: ?Sized,

Calls .tap_ref_mut() only in debug builds, and is erased in release builds.
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fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
where Self: Deref<Target = T>, T: ?Sized,

Calls .tap_deref() only in debug builds, and is erased in release builds.
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fn tap_deref_mut_dbg<T>(self, func: impl FnOnce(&mut T)) -> Self
where Self: DerefMut<Target = T> + Deref, T: ?Sized,

Calls .tap_deref_mut() only in debug builds, and is erased in release builds.
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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>

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fn vzip(self) -> V

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
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Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 4 bytes