Struct LogicalMergeRel 

pub struct LogicalMergeRel {
    pub rel_table_name: String,
    pub rel_table_id: u64,
    pub edge_var: String,
    pub src_node_var: String,
    pub dst_node_var: String,
    pub properties: Vec<(String, Expression)>,
    pub on_match: Vec<LogicalSet>,
    pub on_create: Vec<LogicalSet>,
    pub cardinality: u64,
}

Logical operator for edge MERGE (P53.20): MERGE (a)-[r:R]->(b).

Matches an existing edge from src to dst on the rel table whose props equal the pattern properties; if absent, inserts a new edge. Emits the matched/inserted edge’s _id as <edge_var>._id so a following SET clause can target it.

Fields

rel_table_name: String

rel_table_id: u64

edge_var: String

Variable bound to the edge (e.g. r).

src_node_var: String

Node variables bound by a prior MATCH that anchor the endpoints.

dst_node_var: String

properties: Vec<(String, Expression)>

Inline properties from the edge pattern ({type: $type}).

on_match: Vec<LogicalSet>

SET operations applied when the edge already exists (empty for the standalone-SET form used by Kairos add_connection).

on_create: Vec<LogicalSet>

SET operations applied when a new edge is created.

cardinality: u64

Trait Implementations

impl Clone for LogicalMergeRel

fn clone(&self) -> LogicalMergeRel

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LogicalMergeRel

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

Formats the value using the given formatter.