songololo commented on issue #84:
URL: https://github.com/apache/incubator-age/issues/84#issuecomment-857497693
If I build a docker image from the main branch and run the following::
```
SELECT *
FROM ag_catalog.drop_graph('threeds', True);
SELECT *
FROM ag_catalog.create_graph('threeds');
SELECT *
FROM ag_catalog.cypher('threeds', $$
CREATE (:begin {name : 'John'})-[:edge1 {name: '1'}]->(:middle)-[:edge1
{name: '2'}]->(:end)
$$) AS (a ag_catalog.agtype);
SELECT *
FROM ag_catalog.cypher('threeds', $$
MATCH (n:begin {name: 'John'})
WHERE n.name = 'John'
RETURN n
$$) as (v ag_catalog.agtype);
```
Then I'm encountering:
```
ERROR: operator is not unique: ag_catalog.agtype = ag_catalog.agtype
Hint: Could not choose a best candidate operator. You might need to add
explicit type casts.
```
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