DatabaseDimensionOverlapStorage¶
-
class
lsst.daf.butler.registry.interfaces.
DatabaseDimensionOverlapStorage
¶ Bases:
abc.ABC
A base class for objects that manage overlaps between a pair of database-backed dimensions.
Attributes Summary
elements
The pair of elements whose overlaps this object manages. Methods Summary
digestTables
()Return tables used for schema digest. initialize
(db, elementStorage, …)Construct an instance of this class using a standardized interface. Attributes Documentation
-
elements
¶ The pair of elements whose overlaps this object manages.
The order of elements is the same as their ordering within the
DimensionUniverse
.
Methods Documentation
-
digestTables
() → Iterable[sqlalchemy.sql.schema.Table]¶ Return tables used for schema digest.
Returns: - tables :
Iterable
[sqlalchemy.schema.Table
] Possibly empty set of tables for schema digest calculations.
- tables :
-
classmethod
initialize
(db: Database, elementStorage: Tuple[DatabaseDimensionRecordStorage, DatabaseDimensionRecordStorage], governorStorage: Tuple[GovernorDimensionRecordStorage, GovernorDimensionRecordStorage], context: Optional[StaticTablesContext] = None) → DatabaseDimensionOverlapStorage¶ Construct an instance of this class using a standardized interface.
Parameters: - db :
Database
Interface to the underlying database engine and namespace.
- elementStorage :
tuple
[DatabaseDimensionRecordStorage
] Storage objects for the elements this object will related.
- governorStorage :
tuple
[GovernorDimensionRecordStorage
] Storage objects for the governor dimensions of the elements this object will related.
- context :
StaticTablesContext
, optional If provided, an object to use to create any new tables. If not provided,
db.ensureTableExists
should be used instead.
Returns: - storage :
DatabaseDimensionOverlapStorage
A new
DatabaseDimensionOverlapStorage
subclass instance.
- db :
-