s3 complete

pkg/common/db/table/relation/utils.go

@@ -1,5 +1,10 @@
 package relation
 
+import (
+	"OpenIM/pkg/utils"
+	"gorm.io/gorm"
+)
+
 type BatchUpdateGroupMember struct {
 	GroupID string
 	UserID  string
@@ -10,3 +15,7 @@ type GroupSimpleUserID struct {
 	Hash      uint64
 	MemberNum uint32
 }
+
+func IsNotFound(err error) bool {
+	return utils.Unwrap(err) == gorm.ErrRecordNotFound
+}