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56 lines
1.2 KiB
56 lines
1.2 KiB
package leveldb
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import (
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"context"
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"fmt"
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"github.com/chrislusf/seaweedfs/weed/filer"
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"github.com/syndtr/goleveldb/leveldb"
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)
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func (store *LevelDB2Store) KvPut(ctx context.Context, key []byte, value []byte) (err error) {
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partitionId := bucketKvKey(key, store.dbCount)
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err = store.dbs[partitionId].Put(key, value, nil)
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if err != nil {
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return fmt.Errorf("kv bucket %d put: %v", partitionId, err)
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}
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return nil
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}
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func (store *LevelDB2Store) KvGet(ctx context.Context, key []byte) (value []byte, err error) {
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partitionId := bucketKvKey(key, store.dbCount)
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value, err = store.dbs[partitionId].Get(key, nil)
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if err == leveldb.ErrNotFound {
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return nil, filer.ErrKvNotFound
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}
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if err != nil {
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return nil, fmt.Errorf("kv bucket %d get: %v", partitionId, err)
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}
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return
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}
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func (store *LevelDB2Store) KvDelete(ctx context.Context, key []byte) (err error) {
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partitionId := bucketKvKey(key, store.dbCount)
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err = store.dbs[partitionId].Delete(key, nil)
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if err != nil {
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return fmt.Errorf("kv bucket %d delete: %v", partitionId, err)
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}
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return nil
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}
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func bucketKvKey(key []byte, dbCount int) (partitionId int) {
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return int(key[len(key)-1]) % dbCount
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}
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