mingfang opened a new issue, #1634:
URL: https://github.com/apache/age/issues/1634

   Setting all properties using map object does not work.
   But works with map literal and individual map keys.
   
   ```cypher
   -- ERROR:  properties() argument must resolve to a scalar value
   SELECT * FROM cypher('playground', $$
       WITH {first: 'jon', last: 'snow'} AS map
       MERGE (v:PERSION {id: '1'})
       SET v=map
       RETURN v,map
   $$) as (v agtype, map agtype);
   ```
   
   ```cypher
   -- works with map keys
   SELECT * FROM cypher('playground', $$
       WITH {first: 'jon', last: 'snow'} AS map
       MERGE (v:PERSION {id: '1'})
       SET v.first=map.first, v.last=map.last
       RETURN v,map
   $$) as (v agtype, map agtype);
   
   -- works with map literal
   SELECT * FROM cypher('playground', $$
       MERGE (v:PERSION {id: '1'})
       SET v={first: 'jon', last: 'snow'}
       RETURN v
   $$) as (v agtype);
   ```


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