edmiRemoteDeleteInstanceReferences

EdmiError edmiRemoteDeleteInstanceReferences(SdaiServerContext serverContextId, 
                                               InstanceId        instanceId, 
                                               SdaiInvocationId  *edmiInvocationId);

Deletes all external references to a given instance. Normally an instance cannot be deleted as long as there are other instances referring to it. This default behavior can be overruled by changing the system configuration settings.

Arguments

Type	Name	Comment
SdaiServerContext	serverContextId	Context identification, from edmiDefineServerContext
InstanceId	instanceId	A numeric instanceID that uniquely identifies the instance in the remote EDMdatabase for which to delete all external references.
SdaiInvocationId	edmiInvocationId	Currently not used.

Return Value

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Options

Example

 EdmiError rstat;
 SdaiServerContext myContext;
 SdaiInteger index, nHits;
 SdaiQueryResult qexRes;
 SdaiInstance personId;
  
 /* Create Server Context */
 rstat = edmiDefineServerContext("MyContext",
 "Johnny", "Supervisor", "cf37ftr", 
 "TCP", "9090", "MyServerHost", 
 NULL, NULL, NULL, NULL, NULL, &myContext); 
  
 /* Get a persons instance Id from a unique
 primary key attribute 'PID' */ 
 nHits = 1;
 index = 0;
 rstat = edmiRemoteSelectInstances(myContext,
 "DataRepository", "SocialRelations", 
 "Person", "PID = '16126353127'", 
 (ONLY_INSTANCE_IDS | SUBTYPES), 
 NULL, NULL, NULL,  
 &index, &nHits, &qexRes, 
 NULL, NULL, NULL, NULL); 
 if (!nHits) {
 printf("\nRequested pid not found."); 
 goto err; 
 }
 personId = qexRes->instanceIds[0];
  
 /* Delete all references to personId */
 rstat = edmiRemoteDeleteInstanceReferences(myContext, personId, NULL);
  
 /* Delete the instance it self */
 rstat = edmiRemoteDeleteInstance(myContext, personId, 0, NULL);
 . . .

EDMsix

edmiRemoteDeleteInstanceReferences

Arguments

Return Value

Options

Example

See also

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