GOODBOY008 commented on code in PR #4253:
URL: https://github.com/apache/streampark/pull/4253#discussion_r2134329642


##########
streampark-console/streampark-console-service/src/main/java/org/apache/streampark/console/core/task/ApplicationBackUpCleanTask.java:
##########
@@ -40,15 +40,21 @@ public class ApplicationBackUpCleanTask {
     public void backUpClean() {
         log.info("Start to clean application backup");
         // select all application backup which count > maxBackupNum group by 
app_id
-        backUpService.lambdaQuery().groupBy(FlinkApplicationBackup::getAppId)
-            .having("count(*) > " + maxBackupNum).list().stream()
+        backUpService.lambdaQuery()
+            .select(FlinkApplicationBackup::getAppId)
+            .groupBy(FlinkApplicationBackup::getAppId)
+            .having("count(*) > " + maxBackupNum)

Review Comment:
   ```suggestion
              .having("COUNT(*) > {0}", maxBackupNum)
   ```



##########
streampark-console/streampark-console-service/src/main/java/org/apache/streampark/console/core/task/ApplicationBackUpCleanTask.java:
##########
@@ -40,15 +40,21 @@ public class ApplicationBackUpCleanTask {
     public void backUpClean() {
         log.info("Start to clean application backup");
         // select all application backup which count > maxBackupNum group by 
app_id
-        backUpService.lambdaQuery().groupBy(FlinkApplicationBackup::getAppId)
-            .having("count(*) > " + maxBackupNum).list().stream()
+        backUpService.lambdaQuery()
+            .select(FlinkApplicationBackup::getAppId)
+            .groupBy(FlinkApplicationBackup::getAppId)
+            .having("count(*) > " + maxBackupNum)

Review Comment:
   @Gianzie Use params to pass value will be better.



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