code: def onSync(self, event):
          
          SETUP = self.statement('SETUP')
          if SETUP:
              sql, data = SETUP(self.database())
              if event.context.dryRun:
                  print sql % data
              else:
                  self.execute(sql, data, writeAccess=True)
docs: Initializes the database by defining any additional structures that are required during selection.