def remove(self,
column_family,
key,
columns=None,
super_column=None,
timestamp=None):
"""
Adds a single row remove to the batch.
`column_family` is the :class:`~pycassa.columnfamily.ColumnFamily`
that the remove will be executed on.
"""
if timestamp is None:
timestamp = column_family.timestamp()
deletion = Deletion(timestamp=timestamp)
_pack_name = column_family._pack_name
if super_column is not None:
deletion.super_column = _pack_name(super_column, True)
if columns is not None:
is_super = column_family.super and super_column is None
packed_cols = [_pack_name(col, is_super) for col in columns]
deletion.predicate = SlicePredicate(column_names=packed_cols)
mutation = Mutation(deletion=deletion)
packed_key = column_family._pack_key(key)
self._enqueue(packed_key, column_family, (mutation, ))
return self
def remove(self,
column_family,
key,
columns=None,
super_column=None,
timestamp=None):
if timestamp == None:
timestamp = column_family.timestamp()
deletion = Deletion(timestamp=timestamp)
if columns:
_pack_name = column_family._pack_name
packed_cols = [
_pack_name(col, column_family.super) for col in columns
]
deletion.predicate = SlicePredicate(column_names=packed_cols)
if super_column:
deletion.super_column = super_column
mutation = Mutation(deletion=deletion)
self._enqueue(key, column_family, (mutation, ))
return self
