SEM_APIS.GET_CHANGE_TRACKING

Format

SEM_APIS.GET_CHANGE_TRACKING_INFO(
     model_name           IN VARCHAR2, 
     enabled              OUT BOOLEAN, 
     tracking_start_time  OUT TIMESTAMP,
     network_owner        IN VARCHAR2 DEFAULT NULL,
     network_name         IN VARCHAR2 DEFAULT NULL);

Description

Returns change tracking information for a model.

Parameters

model_name: Name of the semantic technology model.
enabled: Boolean value returned by the procedure: TRUE if change tracking is enabled for the model, or FALSE if change tacking is not enabled for the model.
tracking_start_time: Timestamp indicating when change tracking was enabled for the model (if it is enabled).
network_owner: Owner of the semantic network. (See Table 1-2.)
network_name: Name of the semantic network. (See Table 1-2.)

Usage Notes

The model_name value must match a value in the MODEL_NAME column in the SEM_MODEL$ view, which is described in Metadata for Models.

To enable change tracking for a set of models, use the SEM_APIS.ENABLE_CHANGE_TRACKING procedure.

For an explanation of incremental inference, including usage information, see Performing Incremental Inference.

For information about semantic network types and options, see RDF Networks.

Examples

The following example displays change tracking information for a model.

DECLARE 
  bEnabled  boolean;
  tsEnabled  timestamp;
  
BEGIN
  EXECUTE IMMEDIATE 'create table m1 (t SDO_RDF_TRIPLE_S)';
  sem_apis.create_sem_model('m1','m1','t');
 
  sem_apis.enable_change_tracking(sem_models('m1'));
 
  sem_apis.get_change_tracking_info('m1', bEnabled,  tsEnabled);
  dbms_output.put_line('is enabled:' || case when bEnabled then 'true' else 'false' end);
  dbms_output.put_line('enabled at:' || tsEnabled);
END;
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