db.py 文件源码

def DeleteAsync(keys, **kwargs):
    """
        Asynchronously deletes one or more entities from the data store.

        This function is identical to :func:`server.db.Delete`, except that it
        returns an asynchronous object. Call ``get_result()`` on the return value to
        block on the call and get the results.
    """
    if conf["viur.db.caching" ]>0:
        if isinstance( keys, datastore_types.Key ): #Just one:
            memcache.delete( str( keys ), namespace=__CacheKeyPrefix__, seconds=__cacheLockTime__  )
        elif isinstance( keys, list ):
            for key in keys:
                assert isinstance( key, datastore_types.Key ) or isinstance( key, basestring )
                memcache.delete( str( key ), namespace=__CacheKeyPrefix__, seconds=__cacheLockTime__  )
    return( datastore.DeleteAsync( keys, **kwargs ) )