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Class: MergeClause

Defined in: lang-cypher/src/ast/query.ts:102

A MERGE clause that matches a pattern or creates it if not found.

Implements​

Constructors​

Constructor​

new MergeClause(pattern, actions): MergeClause

Defined in: lang-cypher/src/ast/query.ts:108

Parameters​

ParameterTypeDescription
patternPatternElChainThe single path pattern to merge.
actionsMergeAction[]-

Returns​

MergeClause

Properties​

onCreate​

onCreate: SetItem[] = []

Defined in: lang-cypher/src/ast/query.ts:104

SET items applied when the pattern is newly created.


onMatch​

onMatch: SetItem[] = []

Defined in: lang-cypher/src/ast/query.ts:106

SET items applied when the pattern already exists in the graph.


pattern​

pattern: PatternElChain

Defined in: lang-cypher/src/ast/query.ts:110

The single path pattern to merge.

Methods​

accept()​

accept<Ret, Arg>(visitor, arg?): Ret

Defined in: lang-cypher/src/ast/query.ts:122

Dispatches this node to the matching method on visitor.

Type Parameters​

Type Parameter
Ret
Arg

Parameters​

ParameterType
visitorCypherVisitor<Ret, Arg>
arg?Arg

Returns​

Ret

Implementation of​

ASTNode.accept