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