vicever / btree

pure golang btree

Btree library

This is pure golang btree library. it's copy on write btree.

go get github.com/datastream/btree

API

NewRecord(key, value []byte)

create a record

NewBtree()

create a btree

LEAFSIZE = 1 << 5
NODESIZE = 1 << 6

NewBtreeSize(leafsize, nodesize)

create new btree with custom leafsize/nodesize

btree.Insert(key, value)

Insert a record, if insert success, it return nil

btree.Update(key, value)

Update a record, if update success, it return nil

btree.Delete(key)

Delete a record, if delete success, it return nil

btree.Search(key)

Search a key, if find success, it return value, nil

btree.Marshal(filename)

Write btree data into disk.

tree.Dump("treedump")

btree.Unmarshal(filename)

Read btree from disk

TODO

1. more test
2. code tunning for performance or mem