fix: tagrecorder allows sub_domain to be null

Author: xiaochaoren1

server/controller/tagrecorder/ch_pod_k8s_label.go

@@ -79,9 +79,10 @@ func (c *ChPodK8sLabel) onResourceUpdated(md *message.Metadata, updateMessage *m
 				})
 			}
 		}
-		if len(keysToDelete) > 0 {
-			c.SubscriberComponent.dbOperator.delete(keysToDelete, targetsToDelete, db)
-		}
+	}
+
+	if len(keysToDelete) > 0 {
+		c.SubscriberComponent.dbOperator.delete(keysToDelete, targetsToDelete, db)
 	}
 }
 

server/controller/tagrecorder/healer/data_gen.go

@@ -335,7 +335,12 @@ func (s *dataGeneratorComponent[GT]) generate() error {
 		} else {
 			q = q.Where("domain = ?", s.md.GetDomainLcuuid())
 			if s.filterSubDomain {
-				q = q.Where("sub_domain = ?", s.md.GetSubDomainLcuuid())
+				subDomainLcuuid := s.md.GetSubDomainLcuuid()
+				if subDomainLcuuid != "" {
+					q = q.Where("sub_domain = ?", subDomainLcuuid)
+				} else {
+					q = q.Where("(sub_domain = '' or sub_domain is null)")
+				}
 			}
 		}
 		return q