Lock

amsdal_glue.LockCommand dataclass

Bases: Operation

Represents a lock command operation.

Attributes:

Name	Type	Description
action	LockAction	The action to be performed for the lock.
mode	LockMode	The mode of the lock.
parameter	LockParameter	The parameter for the lock.
locked_objects	list[LockSchemaReference]	The list of schema references to be locked.

amsdal_glue.LockAction

Bases: str, Enum

Represents the action of a lock.

Attributes:

Name	Type	Description
ACQUIRE	str	Acquire a lock.
RELEASE	str	Release a lock.

amsdal_glue.LockMode

Bases: str, Enum

Represents the mode of a lock.

Attributes:

Name	Type	Description
EXCLUSIVE	str	Exclusive lock.
SHARED	str	Shared lock.

amsdal_glue.LockParameter

Bases: str, Enum

Represents the parameter of a lock.

Attributes:

Name	Type	Description
NOWAIT	str	Do not wait for the lock.
SKIP_LOCKED	str	Skip locked rows.
WAIT	str	Wait for the lock.

amsdal_glue.LockSchemaReference dataclass

Represents a reference to a schema for locking purposes.

Attributes:

Name	Type	Description
schema	SchemaReference	The schema reference to be locked.
query	Conditions | None	The conditions for the lock. Defaults to None.