Delete Relationship Operation
The delete relationship operation removes an existing relationship between two entities.
HTTP DEL URL Format
The request is specified as follows. The Spectrum server supports both HTTP and HTTPS.
DEL http://server_name:port/rest/DataHub/operations/modelName/relationships/relationshipLabel?query_parameters
URL Path Elements
- modelName
- The name of the Context Graph model.
- relationshipLabel
- The name of the relationship label connecting two entities in a model.
Query Parameters
| Parameter | Type | Required | Description |
|---|---|---|---|
| sourceID | string | yes | The source ID of the entity that connects a relationship. This parameter specifies an entityType:entityLabel value pair. |
| targetID | string | yes | The target ID of the entity that connects a relationship. This parameter specifies an entityType:entityLabel value pair. |
| uniqueID | string | no | The value that distinguishes a relationship when there are multiple relationships with the same label connecting two entities in a model. |
Response
The operation returns the status code "200 OK" when it is successful. The operation returns the status code 500 (Error) when it fails.
Delete relationship label with JSON response
The following request deletes the "Roomate" relationship label in the "911" model between two person entities.
DEL http://localhost:8080/rest/DataHub/operations/911/relationships/Roomate?sourceID=Person:Ahmed%20al-Haznawi&targetID=Person:Ziad%20JarrahResponse:
{
"success":"200 OK"
}Delete relationship with same label
The following deletes a Roomate relationship label in the "911" model where the relationship ID between two person entities is equal to "4".
DEL http://localhost:8080/rest/DataHub/operations/911/relationships/Roomate?sourceID=Person:Ahmed%20al-Haznawi&targetID=Person:Ziad%20Jarrah&uniqueID=4