fixup go.mod

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

redis.go

@@ -11,7 +11,10 @@ type rkv struct {
 	Client *redis.Client
 }
 
-func (r *rkv) Read(key string) (*store.Record, error) {
+func (r *rkv) Read(keys ...string) ([]*store.Record, error) {
+	var records []*store.Record
+
+	for _, key := range keys {
 		val, err := r.Client.Get(key).Bytes()
 
 		if err != nil && err == redis.Nil {
@@ -29,19 +32,36 @@ func (r *rkv) Read(key string) (*store.Record, error) {
 			return nil, err
 		}
 
-	return &store.Record{
+		records = append(records, &store.Record{
 			Key:    key,
 			Value:  val,
 			Expiry: d,
-	}, nil
+		})
+	}
+
+	return records, nil
 }
 
-func (r *rkv) Delete(key string) error {
-	return r.Client.Del(key).Err()
+func (r *rkv) Delete(keys ...string) error {
+	var err error
+	for _, key := range keys {
+		if err = r.Client.Del(key).Err(); err != nil {
+			return err
+		}
+	}
+	return nil
 }
 
-func (r *rkv) Write(record *store.Record) error {
-	return r.Client.Set(record.Key, record.Value, record.Expiry).Err()
+func (r *rkv) Write(records ...*store.Record) error {
+	var err error
+
+	for _, record := range records {
+		err = r.Client.Set(record.Key, record.Value, record.Expiry).Err()
+		if err != nil {
+			return err
+		}
+	}
+	return nil
 }
 
 func (r *rkv) Sync() ([]*store.Record, error) {
@@ -55,7 +75,7 @@ func (r *rkv) Sync() ([]*store.Record, error) {
 		if err != nil {
 			return nil, err
 		}
-		vals = append(vals, i)
+		vals = append(vals, i...)
 	}
 	return vals, nil
 }