BytesToBytesMap Append-Only Hash Map¶
BytesToBytesMap
is...FIXME
- Low space overhead,
- Good memory locality, esp. for scans.
=== [[lookup]] lookup
Method
[source, java]¶
Location lookup(Object keyBase, long keyOffset, int keyLength) Location lookup(Object keyBase, long keyOffset, int keyLength, int hash)
CAUTION: FIXME
=== [[safeLookup]] safeLookup
Method
[source, java]¶
void safeLookup(Object keyBase, long keyOffset, int keyLength, Location loc, int hash)¶
safeLookup
...FIXME
safeLookup
is used when BytesToBytesMap
does <UnsafeHashedRelation
for looking up a single value or values by key.
Last update: 2020-08-24