public void loadHistory(SourceInfo startingPoint){
  tables=new Tables();
  dbHistory.recover(startingPoint.partition(),startingPoint.offset(),tables,ddlParser);
  refreshSchemas();
}

public void loadHistory ( SourceInfo startingPoint ) { tables = new Tables ( ) ; dbHistory . recover ( startingPoint . partition ( ) , startingPoint . offset ( ) , tables , ddlParser ) ; refreshSchemas ( ) ; }
load the database schema information using the previously - recorded history , and stop reading the history when the the history reaches the supplied starting point .
