Function _AST_MapSetPropertyReferences

src/ast/ast_build_reference_map.c:155–167

Maps entities in SET clauses that update an individual property.

// Maps entities in SET clauses that update an individual property.
static void _AST_MapSetPropertyReferences(AST *ast, const cypher_astnode_t *set_item) {
	// Retrieve the alias being modified from the property descriptor.
	const cypher_astnode_t *ast_prop = cypher_ast_set_property_get_property(set_item);
	const cypher_astnode_t *ast_entity = cypher_ast_property_operator_get_expression(ast_prop);
	ASSERT(cypher_astnode_type(ast_entity) == CYPHER_AST_IDENTIFIER);

	const char *alias = cypher_ast_identifier_get_name(ast_entity);
	_AST_UpdateRefMap(ast, alias);

	// Map expression right hand side, e.g. a.v = 1, a.x = b.x
	const cypher_astnode_t *set_exp = cypher_ast_set_property_get_expression(set_item);
	_AST_MapExpression(ast, set_exp);
}

// maps entities in SET clauses that update labels
static void _AST_MapSetLabelsReferences