Struct GraphRelationModel 

pub struct GraphRelationModel {
    pub rel_type: String,
    pub direction: RelationDirection,
    pub from_label: String,
    pub to_label: String,
    pub properties: Vec<GraphPropertyDef>,
}

图关系模型

Fields

rel_type: String

direction: RelationDirection

from_label: String

to_label: String

properties: Vec<GraphPropertyDef>

Implementations

impl GraphRelationModel

pub fn new(rel_type: &str, from_label: &str, to_label: &str) -> Self

pub fn direction(self, dir: RelationDirection) -> Self

pub fn property(self, name: &str, value_type: GraphValueType) -> Self

pub fn match_clause(&self, from: &str, rel: &str, to: &str) -> String

生成 MATCH 关系子句

Trait Implementations

impl Clone for GraphRelationModel

fn clone(&self) -> GraphRelationModel

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GraphRelationModel

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

Formats the value using the given formatter.