pub enum GraphDelta {
UpsertNode {
key: NodeKey,
labels: Vec<SmolStr>,
props: HashMap<SmolStr, TypedValue>,
},
UpsertEdge {
src: NodeKey,
rel_type: SmolStr,
dst: NodeKey,
props: HashMap<SmolStr, TypedValue>,
},
DeleteNode {
key: NodeKey,
},
DeleteEdge {
src: NodeKey,
rel_type: SmolStr,
dst: NodeKey,
},
}Expand description
A single graph mutation in the delta fast path.
Each variant is idempotent and conflict-free. “Last write wins” semantics: if two deltas target the same entity, the one with the higher batch timestamp takes precedence.
Variants§
UpsertNode
Insert or update a node. Properties are merged (new overwrite existing; unmentioned properties are kept).
UpsertEdge
Insert or update an edge. Properties are merged.
DeleteNode
Delete a node and all its incident edges.
DeleteEdge
Delete a specific edge.
Implementations§
Source§impl GraphDelta
impl GraphDelta
pub fn is_node_op(&self) -> bool
pub fn is_edge_op(&self) -> bool
pub fn is_delete(&self) -> bool
pub fn is_upsert(&self) -> bool
Sourcepub fn primary_key(&self) -> &NodeKey
pub fn primary_key(&self) -> &NodeKey
Returns the primary NodeKey involved in this delta.
For edges, returns the source node key.
Sourcepub fn referenced_keys(&self) -> Vec<&NodeKey>
pub fn referenced_keys(&self) -> Vec<&NodeKey>
Returns all NodeKeys referenced by this delta.
Trait Implementations§
Source§impl Clone for GraphDelta
impl Clone for GraphDelta
Source§fn clone(&self) -> GraphDelta
fn clone(&self) -> GraphDelta
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read moreSource§impl Debug for GraphDelta
impl Debug for GraphDelta
Source§impl PartialEq for GraphDelta
impl PartialEq for GraphDelta
impl StructuralPartialEq for GraphDelta
Auto Trait Implementations§
impl Freeze for GraphDelta
impl RefUnwindSafe for GraphDelta
impl Send for GraphDelta
impl Sync for GraphDelta
impl Unpin for GraphDelta
impl UnsafeUnpin for GraphDelta
impl UnwindSafe for GraphDelta
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