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DummyHost

Struct DummyHost

pub struct DummyHost;

Trait Implementations§

impl Host for DummyHost

fn scan_start(&mut self, _rel_id: i32) -> i32

fn scan_delta_start(&mut self, _rel_id: i32) -> i32

fn scan_index_start(&mut self, _rel_id: i32, _col_idx: i32, _val: i64) -> i32

fn scan_aggregate_start(&mut self, _rel_id: i32, _description: Vec<i32>) -> i32

fn scan_next(&mut self, _iter_id: i32) -> i32

fn get_col(&mut self, _ptr: i32, _idx: i32) -> i64

fn insert(&mut self, _rel_id: i32, _val: i64)

fn merge_deltas(&mut self) -> i32

Merges deltas and returns 1 if changes occurred, 0 otherwise.

fn debuglog(&mut self, _val: i64)

Auto Trait Implementations§

impl Freeze for DummyHost

impl RefUnwindSafe for DummyHost

impl Send for DummyHost

impl Sync for DummyHost

impl Unpin for DummyHost

impl UnsafeUnpin for DummyHost

impl UnwindSafe for DummyHost

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

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

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> Same for T

type Output = T

Should always be Self

impl<T, U> TryFrom<U> for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.