seaweedfs/weed/filer/leveldb3/leveldb3_store_kv.go

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package leveldb
import (
"context"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/filer"
"github.com/syndtr/goleveldb/leveldb"
)
func (store *LevelDB3Store) KvPut(ctx context.Context, key []byte, value []byte) (err error) {
err = store.dbs[DEFAULT].Put(key, value, nil)
if err != nil {
return fmt.Errorf("kv put: %v", err)
}
return nil
}
func (store *LevelDB3Store) KvGet(ctx context.Context, key []byte) (value []byte, err error) {
value, err = store.dbs[DEFAULT].Get(key, nil)
if err == leveldb.ErrNotFound {
return nil, filer.ErrKvNotFound
}
if err != nil {
return nil, fmt.Errorf("kv get: %v", err)
}
return
}
func (store *LevelDB3Store) KvDelete(ctx context.Context, key []byte) (err error) {
err = store.dbs[DEFAULT].Delete(key, nil)
if err != nil {
return fmt.Errorf("kv delete: %v", err)
}
return nil
}