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| author | Mike Bayer <mike_mp@zzzcomputing.com> | 2022-04-28 16:19:43 -0400 |
|---|---|---|
| committer | Mike Bayer <mike_mp@zzzcomputing.com> | 2022-05-03 15:58:45 -0400 |
| commit | 1fa3e2e3814b4d28deca7426bb3f36e7fb515496 (patch) | |
| tree | 9b07b8437b1190227c2e8c51f2e942936721000f /lib/sqlalchemy/sql/cache_key.py | |
| parent | 6a496a5f40efe6d58b09eeca9320829789ceaa54 (diff) | |
| download | sqlalchemy-1fa3e2e3814b4d28deca7426bb3f36e7fb515496.tar.gz | |
pep484: attributes and related
also implements __slots__ for QueryableAttribute,
InstrumentedAttribute, Relationship.Comparator.
Change-Id: I47e823160706fc35a616f1179a06c7864089e5b5
Diffstat (limited to 'lib/sqlalchemy/sql/cache_key.py')
| -rw-r--r-- | lib/sqlalchemy/sql/cache_key.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/sqlalchemy/sql/cache_key.py b/lib/sqlalchemy/sql/cache_key.py index 15fbc2afb..c16fbdae1 100644 --- a/lib/sqlalchemy/sql/cache_key.py +++ b/lib/sqlalchemy/sql/cache_key.py @@ -36,7 +36,6 @@ if typing.TYPE_CHECKING: from .elements import BindParameter from .elements import ClauseElement from .visitors import _TraverseInternalsType - from ..engine.base import _CompiledCacheType from ..engine.interfaces import _CoreSingleExecuteParams @@ -393,6 +392,13 @@ class MemoizedHasCacheKey(HasCacheKey, HasMemoized): return HasCacheKey._generate_cache_key(self) +class SlotsMemoizedHasCacheKey(HasCacheKey, util.MemoizedSlots): + __slots__ = () + + def _memoized_method__generate_cache_key(self) -> Optional[CacheKey]: + return HasCacheKey._generate_cache_key(self) + + class CacheKey(NamedTuple): """The key used to identify a SQL statement construct in the SQL compilation cache. |