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SyncRow

Struct SyncRow 

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pub struct SyncRow {
    pub sequence: u64,
    pub action: SyncAction,
}
Expand description

One sync log row with monotonic sequence metadata.

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§sequence: u64

Monotonic sequence number assigned by the extension.

§action: SyncAction

Action to replay.

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impl SyncRow

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pub fn apply_in_order( rows: &[Self], overlay: &mut OverlayState, ) -> Result<usize, PostgresGraphError>

Applies caller-ordered rows to overlay, rejecting any that are not in strictly increasing sequence order.

Rows must arrive already sorted by sequence; this method validates that contract rather than silently normalizing it, so genuinely out-of-order input (e.g. [5, 3, 1]) is rejected, not just duplicates. The extension emits rows in sequence order, so this is a cheap defensive check.

§Errors

Returns PostgresGraphError::Sync when a row’s sequence is not strictly greater than its predecessor.

§Performance

This method is O(r + a) where r is row count and a is applied actions.

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impl Clone for SyncRow

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fn clone(&self) -> SyncRow

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for SyncRow

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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 PartialEq for SyncRow

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fn eq(&self, other: &SyncRow) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for SyncRow

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impl Eq for SyncRow

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impl StructuralPartialEq for SyncRow

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Blanket Implementations§

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impl<T> Any for T
where 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 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> CloneToUninit for T
where T: Clone,

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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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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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where 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 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.
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impl<T> ErasedDestructor for T
where T: 'static,