Operation to retrieve a specific item by its namespace and key.
This operation allows precise retrieval of stored items using their full path (namespace) and unique identifier (key) combination.
Basic item retrieval:
GetOp(namespace=("users", "profiles"), key="user123")
GetOp(namespace=("cache", "embeddings"), key="doc456")GetOp()NamedTupleHierarchical path that uniquely identifies the item's location.
("users",) # Root level users namespace
("users", "profiles") # Profiles within users namespaceUnique identifier for the item within its specific namespace.
"user123" # For a user profile
"doc456" # For a documentWhether to refresh TTLs for the returned item.
If no TTL was specified for the original item(s), or if TTL support is not enabled for your adapter, this argument is ignored.