[I] How to assign cypher result to pgsql variable? [age]

[via GitHub]

NathanFrund opened a new issue, #1933:
URL: https://github.com/apache/age/issues/1933

   Hello!
   
   I have a pretty basic cypher function whose result I'd like to assign to a 
pgsql variable.
   
   Here is the mentioned query.
   
   ```sql
   LOAD 'age';
   SET search_path = ag_catalog, "$user", public;
   
   SELECT exists
   FROM cypher('test_graph', $$
       MATCH (n:Node)
       RETURN exists((n)-[:START]->())
   $$) as (exists agtype);
   ```
   
   I'm stumped.
   
   In a way, I hope that the answer is obvious, but not too obvious!


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