docs: def tablespace_alter(name, user=None, host=None, port=None, maintenance_db=None,
                       password=None, new_name=None, new_owner=None,
                       set_option=None, reset_option=None, runas=None):
      '''
      Change tablespace name, owner, or options.
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' postgres.tablespace_alter tsname new_owner=otheruser
          salt '*' postgres.tablespace_alter index_space new_name=fast_raid
          salt '*' postgres.tablespace_alter test set_option="{'seq_page_cost': '1.1'}"
          salt '*' postgres.tablespace_alter tsname reset_option=seq_page_cost
  
      .. versionadded:: 2015.8.0
      '''
      if not any([new_name, new_owner, set_option, reset_option]):
          return True  # Nothing todo?
  
      queries = []
  
      if new_name:
          queries.append('ALTER TABLESPACE "{0}" RENAME TO "{1}"'.format(
                         name, new_name))
      if new_owner:
          queries.append('ALTER TABLESPACE "{0}" OWNER TO "{1}"'.format(
                         name, new_owner))
      if set_option:
          queries.append('ALTER TABLESPACE "{0}" SET ({1} = {2})'.format(
                         name, set_option.keys()[0], set_option.values()[0]))
      if reset_option:
          queries.append('ALTER TABLESPACE "{0}" RESET ({1})'.format(
                         name, reset_option))
  
      for query in queries:
          ret = _psql_prepare_and_run(['-c', query],
                                      user=user, host=host, port=port,
                                      maintenance_db=maintenance_db,
                                      password=password, runas=runas)
          if ret['retcode'] != 0:
              return False
  
      return True