func setVersionLMDB(env *lmdb.Env, metadbi lmdb.DBI, version int64) error {
return env.Update(func(tx *lmdb.Txn) error {
buf := new(bytes.Buffer)
err := binary.Write(buf, binary.LittleEndian, version)
if err != nil {
glog.Errorf("Couldn't convert version!")
return err
}
werr := tx.Put(metadbi, []byte("version"), buf.Bytes(), 0)
if werr != nil {
glog.Error("Couldn't write version!")
return werr
}
return nil
})
}
func createDBI(env *lmdb.Env, name string) error {
fn := func(txn *lmdb.Txn) error {
var dbi lmdb.DBI
var err error
var del bool = false
if dbi, err = txn.CreateDBI(name); err != nil {
return err
}
if err = txn.Drop(dbi, del); err != nil {
return err
}
return nil
}
err := env.Update(fn)
return err
}
