edmiRemoteDeepDeleteInstance

EdmiError edmiRemoteDeepDeleteInstance(SdaiServerContext serverContextId,
                                         SdaiAppInstance   instanceId, 
                                         SdaiInvocationId  *edmiInvocationId);

Deletes an application instance from the remote EDMdatabase. Any instance within the same edmModel that is referred to from this instance, and not from any other instance, will be deleted as well (deep delete). This operation is only applicable to application instances. Any external references to the instance must be deleted before the instance it self may be deleted. The function edmiRemoteDeleteInstanceReferences may be used to delete all external references, or the references may be deleted one by one by the appropriate operations.

Arguments

Type	Name	Comment
SdaiServerContext	serverContextId	Context identification, from edmiDefineServerContext
SdaiAppInstance	instanceId	The numeric instanceID that uniquely identifies the application instance to be deleted from the remote database.
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 entire instance graph (deep) */
 rstat = edmiRemoteDeepDeleteInstance(myContext, personId, NULL);
 . . .

EDMsix

edmiRemoteDeepDeleteInstance

Arguments

Return Value

Options

Example

See also

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