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Posted to dev@age.apache.org by GitBox <gi...@apache.org> on 2023/01/18 18:05:12 UTC
[GitHub] [age-viewer] MatheusFarias03 commented on issue #111: Node Label is recognized as Edge Label
MatheusFarias03 commented on issue #111:
URL: https://github.com/apache/age-viewer/issues/111#issuecomment-1387493439
Sure! When I type `git status` on the terminal, it shows that I'm on the `main` branch:
```
git status
On branch main
Your branch is up to date with 'origin/main'.
nothing to commit, working tree clean
```
Now, how I am executing the query.
First, I created the graph:
```sql
SELECT * FROM ag_catalog.create_graph('goodreads_db');
```
Then I created a "User" vertex:
```sql
SELECT * FROM cypher ('goodreads_db', $$
CREATE (a :User {first_name: 'Matheus', last_name: 'Matsumoto', country: 'Brazil', read: 9, reading:2 }) RETURN a
$$) as (a agtype);
```
I also created a "Book" vertex:
```sql
SELECT * FROM cypher ('goodreads_db', $$
CREATE (a :Book {title: 'To Kill a Mockingbird', author: 'Harper Lee', rating: 4.27, pages: 336, language: 'English', ratings: 5574002, reviews: 107847})
RETURN a
$$) as (a agtype);
```
And after this, I created an edge between "User" and "Book" with a "READ" label:
```sql
SELECT * FROM cypher ('goodreads_db', $$
MATCH (a :User), (b :Book)
WHERE a.first_name = 'Matheus' AND b.title = 'To Kill a Mockingbird'
CREATE (a)-[e:READ {rating: 4}]->(b)
RETURN e
$$) as (e agtype);
```
So I kept doing it like this, also adding the vertices with "Author" label and adding the edge with "AUTHOR_OF" label between them. Now I have about 17 nodes and 22 edges. I go to where I installed AGE Viewer and execute the `npm run setup` and `npm run start` commands to use AGE Viewer.
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