fix bug https://github.com/micro/go-plugins/issues/565 (#566)

Co-authored-by: 杨羽 <yangyu@doumi.com>

redis.go

@@ -33,9 +33,29 @@ func (r *rkv) Read(key string, opts ...store.ReadOption) ([]*store.Record, error
 		o(&options)
 	}
 
-	records := make([]*store.Record, 0, 1)
+	var keys []string
 
 	rkey := fmt.Sprintf("%s%s", options.Table, key)
+	// Handle Prefix
+	// TODO suffix
+	if options.Prefix {
+		prefix_key := fmt.Sprintf("%s*", rkey)
+		r.Client.Keys(key)
+		fkeys, err := r.Client.Keys(prefix_key).Result()
+		if err != nil {
+			return nil, err
+		}
+		// TODO Limit Offset
+
+		keys = append(keys, fkeys...)
+
+	} else {
+		keys = []string{rkey}
+	}
+
+	records := make([]*store.Record, 0, len(keys))
+
+	for _, rkey = range keys {
 		val, err := r.Client.Get(rkey).Bytes()
 
 		if err != nil && err == redis.Nil {
@@ -58,6 +78,7 @@ func (r *rkv) Read(key string, opts ...store.ReadOption) ([]*store.Record, error
 			Value:  val,
 			Expiry: d,
 		})
+	}
 
 	return records, nil
 }