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Update How-to-get-result-set-suitable-for-graph-visualisation.md

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How-to-get-result-set-suitable-for-graph-visualisation.md
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@@ -26,7 +26,8 @@ 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 with its students. Let's say you want to build a graph with houses and students as nodes, where each house is linked with its students.
We are going to use [json_object][2] function to form JSONs. The result set should contain both nodes and edges We are going to use [json_object][2] function to form JSONs. The result set should contain both nodes and edges
and we have to provide a field indicating that (0 - for nodes and 1 - for edges). Let's provide it as 'object_type': and we have to provide a field indicating if the record represents a node (0) or and edge (1).
Let's provide it as 'object_type':
```sql ```sql
SELECT json_object('object_type', 0) SELECT json_object('object_type', 0)
@@ -104,6 +105,7 @@ Run the query, the result set will look like this:
Now in the graph editor, we can set mapping of the result set records into node and edge properties, Now in the graph editor, we can set mapping of the result set records into node and edge properties,
set graph styles and get the following visualisation: 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