EdmiError edmiUnsetProtectedAttrBN(SdaiAppInstance appInstance,
                                    SdaiString      attributeName);

Unsets a protected attribute.Some system models are created and maintained by EDM and therefore the users need no write access to them. However, in these system models, some attributes may still be manipulated by selected users even if the model it self is open for read only. The ordinary operations such as e.g sdaiPutAttr and sdaiUnsetAttr, would return an error code if used on these attributes. To manipulate protected attributes one must use the protected-versions of the operations.

Arguments

Type	Name	Comment
SdaiAppInstance	appInstance	A numeric instanceID that uniquely identifies the instance of interest in the EDMdatabase.
SdaiString	attributeName	The name of the protected attribute of interest.

Return Value

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Options

Example

 EdmiError rstat;
 SdaiModel modId, edmModId;
 SdaiAggr adminAggrId;
 SdaiInstance johnnyId, lucyId;
  
 /* Get the sdaiModel Id */
 modId = edmiGetModelBN("MyRepository", "MyModel");
  
 /* Get Johnnys and lucys user Ids */
 rstat = edmiGetUser("johnny", &johnnyId);
 rstat = edmiGetUser("lucy", &lucyId);
  
 /* Get the edm_model Id in the ExpressDataManager Model */
 sdaiGetAttrBN(modId, "edm_model", sdaiINSTANCE, &edmModId);
  
 /* Get the model administrator aggregate */
 sdaiGetAttrBN(edmModId, "ADMINISTRATORS", sdaiAGGR, &adminAggrId);
  
 /* Remove Lucy from list of model administrators */
 rstat = edmiDeleteProtectedElement(adminAggrId, sdaiINSTANCE, lucyId);
  
 /* Add Johnny to list of model administrators */
 rstat = edmiAddProtectedElement(adminAggrId, sdaiINSTANCE, johnnyId);
  
 /* Grant create_repository_rights to Johnny */
 rstat = edmiPutProtectedAttrBN(johnnyId, "creating_repository_permission",
 sdaiBOOLEAN, sdaiTRUE); 
  
 /* Remove the description of MyModel */
 rstat = edmiUnsetProtectedAttrBN(edmModId, "description");
  
 . . .

See also

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