pub enum CacheEntry<M: Send> {
MergedResident(M, Lsn, DiskPtr),
Resident(M, Lsn, DiskPtr),
PartialFlush(Lsn, DiskPtr),
Flush(Lsn, DiskPtr),
Free(Lsn, DiskPtr),
}
Points to either a memory location or a disk location to page-in data from.
A cache item that contains the most recent fully-merged page state, also in secondary
storage.
A cache item that is in memory, and also in secondary storage.
A cache item that is present in secondary storage.
A cache item that is present in secondary storage, and is the base segment
of a page.
Performs copy-assignment from source
. Read more
This method tests for self
and other
values to be equal, and is used by ==
. Read more
This method tests for !=
.
Formats the value using the given formatter. Read more
Creates owned data from borrowed data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
recently added
Uses borrowed data to replace owned data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)
Immutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (try_from
)
The type returned in the event of a conversion error.
🔬 This is a nightly-only experimental API. (try_from
)
Mutably borrows from an owned value. Read more
🔬 This is a nightly-only experimental API. (get_type_id
)
this method will likely be replaced by an associated static