事件和内部¶
Events and Internals
SQLAlchemy ORM 以及 Core 通常通过使用事件钩子进行扩展。请务必回顾 事件 中事件系统的一般使用情况。
The SQLAlchemy ORM as well as Core are extended generally through the use of event hooks. Be sure to review the use of the event system in general at 事件.
- ORM 事件
- ORM 内部
AttributeState
CascadeOptions
ClassManager
ColumnProperty
Composite
CompositeProperty
AttributeEventToken
IdentityMap
InspectionAttr
InspectionAttrInfo
InstanceState
InstrumentedAttribute
LoaderCallableStatus
Mapped
MappedColumn
MapperProperty
MappedSQLExpression
InspectionAttrExtensionType
NotExtension
merge_result()
merge_frozen_result()
PropComparator
Relationship
RelationshipDirection
RelationshipProperty
SQLORMExpression
Synonym
SynonymProperty
QueryContext
QueryableAttribute
UOWTransaction
- ORM 异常