diff options
Diffstat (limited to 'keystone-moon/keystone/common/driver_hints.py')
| -rw-r--r-- | keystone-moon/keystone/common/driver_hints.py | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/keystone-moon/keystone/common/driver_hints.py b/keystone-moon/keystone/common/driver_hints.py index 0361e314..ff0a774c 100644 --- a/keystone-moon/keystone/common/driver_hints.py +++ b/keystone-moon/keystone/common/driver_hints.py @@ -30,6 +30,10 @@ class Hints(object): accessed publicly. Also it contains a dict called limit, which will indicate the amount of data we want to limit our listing to. + If the filter is discovered to never match, then `cannot_match` can be set + to indicate that there will not be any matches and the backend work can be + short-circuited. + Each filter term consists of: * ``name``: the name of the attribute being matched @@ -44,6 +48,7 @@ class Hints(object): def __init__(self): self.limit = None self.filters = list() + self.cannot_match = False def add_filter(self, name, value, comparator='equals', case_sensitive=False): |