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Posted to dev@age.apache.org by GitBox <gi...@apache.org> on 2021/10/28 02:20:42 UTC
[GitHub] [incubator-age-viewer] Kim-Changhyun opened a new issue #10: An error occurs when the result is null.
Kim-Changhyun opened a new issue #10:
URL: https://github.com/apache/incubator-age-viewer/issues/10
**Describe the bug**
I created the query using optional match of cypher query.
> create (p:person {name:'Tom'});
> create (m:movie {name:'movie-1'});
> create (m:movie {name:'movie-2'});
> create (p:person {name:'reviewer'});
> match (p:person {name:'Tom'}), (m:movie {name:'movie-1'}) create (p)-[:actied_in]->(m);
> match (p:person {name:'Tom'}), (m:movie {name:'movie-2'}) create (p)-[:actied_in]->(m);
> match (m:movie {name:'movie-2'}), (p:person {name:'reviewer'}) create (m)-[:review]->(p);
>
> match (p:person {name:'Tom'})-[a:actied_in]->(m:movie) with p,a,m
> optional match (m)-[r:review]-(p2:person) return *;
Data in json format looks fine. But I don't see any results in AG Viewer.
**To Reproduce**
Steps to reproduce the behavior:
1. Run the query attached on.
2. Look at the table results.
3. Look at the graph results.
4. See empty graph results
**Expected behavior**
Should be able to see 4 nodes and 3 edges.
**Screenshots**
**Desktop (please complete the following information):**
It occurs in all environments.
**Additional context**
NullPointException is expected from the inside.
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[GitHub] [incubator-age-viewer] emotionbug closed issue #10: An error occurs when the result is null.
Posted by GitBox <gi...@apache.org>.
emotionbug closed issue #10:
URL: https://github.com/apache/incubator-age-viewer/issues/10
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