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lana-k
2025-12-26 16:48:25 +01:00
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1 changed files with 34 additions and 35 deletions
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How-to-get-result-set-suitable-for-graph-visualisation.md
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@@ -17,13 +17,13 @@ Let's say, you have 2 tables:
2. `student`:
| id | name | house |
| -- | -------------- | ---------- |
| 1 | Harry Potter | Gryffindor |
| 2 | Ron Weasley | Gryffindor |
| 3 | Draco Malfoy' | Slytherin |
| 4 | Luna Lovegood | Ravenclaw |
| 5 | Cedric Diggory | Hufflepuff |
| id | name | house |
| --- | -------------- | ---------- |
| 1 | Harry Potter | Gryffindor |
| 2 | Ron Weasley | Gryffindor |
| 3 | Draco Malfoy' | Slytherin |
| 4 | Luna Lovegood | Ravenclaw |
| 5 | Cedric Diggory | Hufflepuff |
Each student belongs to a certain house.
Let's say you want to build a graph with houses and students as nodes, where each house is linked
@@ -93,28 +93,27 @@ FROM student
Run the query, the result set will look like this:
| graph_object |
| ------------------------------------------------------------------------------ |
| {"object_type":0,"node_id":"Gryffindor","label":"Gryffindor","type":"house"} |
| {"object_type":0,"node_id":"Hufflepuff","label":"Hufflepuff","type":"house"} |
| {"object_type":0,"node_id":"Ravenclaw","label":"Ravenclaw","type":"house"} |
| {"object_type":0,"node_id":"Slytherin","label":"Slytherin","type":"house"} |
| {"object_type":0,"node_id":1,"label":"Harry Potter","type":"student"} |
| {"object_type":0,"node_id":2,"label":"Ron Weasley","type":"student"} |
| {"object_type":0,"node_id":3,"label":"Draco Malfoy","type":"student"} |
| {"object_type":0,"node_id":4,"label":"Luna Lovegood","type":"student"} |
| {"object_type":0,"node_id":5,"label":"Cedric Diggory","type":"student"} |
| {"object_type":1,"node_source":"Gryffindor","target":1} |
| {"object_type":1,"node_source":"Gryffindor","target":2} |
| {"object_type":1,"node_source":"Slytherin","target":3} |
| {"object_type":1,"node_source":"Ravenclaw","target":4} |
| {"object_type":1,"node_source":"Hufflepuff","target":5} |
| graph_object |
| ---------------------------------------------------------------------------- |
| {"object_type":0,"node_id":"Gryffindor","label":"Gryffindor","type":"house"} |
| {"object_type":0,"node_id":"Hufflepuff","label":"Hufflepuff","type":"house"} |
| {"object_type":0,"node_id":"Ravenclaw","label":"Ravenclaw","type":"house"} |
| {"object_type":0,"node_id":"Slytherin","label":"Slytherin","type":"house"} |
| {"object_type":0,"node_id":1,"label":"Harry Potter","type":"student"} |
| {"object_type":0,"node_id":2,"label":"Ron Weasley","type":"student"} |
| {"object_type":0,"node_id":3,"label":"Draco Malfoy","type":"student"} |
| {"object_type":0,"node_id":4,"label":"Luna Lovegood","type":"student"} |
| {"object_type":0,"node_id":5,"label":"Cedric Diggory","type":"student"} |
| {"object_type":1,"node_source":"Gryffindor","target":1} |
| {"object_type":1,"node_source":"Gryffindor","target":2} |
| {"object_type":1,"node_source":"Slytherin","target":3} |
| {"object_type":1,"node_source":"Ravenclaw","target":4} |
| {"object_type":1,"node_source":"Hufflepuff","target":5} |
Now in the graph editor, we can set mapping of the result set documents into node and edge
properties, set graph styles and get the following visualisation:
![Fig. 1: Graph visualisation example](./img/Screenshot_potter_example.png)
[1]: ./graph#requirements-for-result-set
[1]: ../graph#requirements-for-result-set
[2]: https://sqlite.org/json1.html#jobj