LEAF_NODE

FileBPlusTree

LEAF_VALUES

FileBPlusTree

LeafNode

MemoryBPlusTree

last

BPlusTree FileBPlusTree MemoryBPlusTree

lastlen

BPlusTree FileBPlusTree MemoryBPlusTree

leastGT

BPlusTree

leastGTE

BPlusTree

leastGreaterThan

BPlusTree

leastGreaterThanOrEqual

BPlusTree

leftmost

BPlusTree

length

Node

load

BPlusTree

lookup

BPlusTree

lookupGTE

BPlusTree

lookupLTE

BPlusTree