code: def exists(self):
          
          try:
              self.cc.sql_client.send(
                  'EXPLAIN SELECT * FROM "{table_name}"'.format(
                      table_name=self.table_name),
                  do_post=False)
              return True
          except CartoException as err:
              # If table doesn't exist, we get an error from the SQL API
              self.cc._debug_print(err=err)
              return False
docs: Checks to see if table exists