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Diffstat (limited to 'lib/sqlalchemy/sql/schema.py')
| -rw-r--r-- | lib/sqlalchemy/sql/schema.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/sqlalchemy/sql/schema.py b/lib/sqlalchemy/sql/schema.py index 36c33868a..dde5cd372 100644 --- a/lib/sqlalchemy/sql/schema.py +++ b/lib/sqlalchemy/sql/schema.py @@ -2023,6 +2023,17 @@ class Column(DialectKWArgs, SchemaItem, ColumnClause[_T]): identity: Optional[Identity] + @util.memoized_property + def _gen_static_annotations_cache_key(self) -> bool: # type: ignore + """special attribute used by cache key gen, if true, we will + use a static cache key for the annotations dictionary, else we + will generate a new cache key for annotations each time. + + Added for #8790 + + """ + return self.table is not None and self.table._is_table + def _extra_kwargs(self, **kwargs: Any) -> None: self._validate_dialect_kwargs(kwargs) |