Use lateral join (introduced in MySQL 8.0.14) with subquery on user_statistics table in account_view for netstats (apache#12631)

Author: sureshanaparti

engine/schema/src/main/resources/META-INF/db/schema-42200to42210-cleanup.sql

@@ -18,3 +18,5 @@
 --;
 -- Schema upgrade cleanup from 4.22.0.0 to 4.22.1.0
 --;
+
+DROP VIEW IF EXISTS `cloud`.`account_netstats_view`;

engine/schema/src/main/resources/META-INF/db/views/cloud.account_netstats_view.sql

@@ -39,8 +39,8 @@ select
     `data_center`.`id` AS `data_center_id`,
     `data_center`.`uuid` AS `data_center_uuid`,
     `data_center`.`name` AS `data_center_name`,
-    `account_netstats_view`.`bytesReceived` AS `bytesReceived`,
-    `account_netstats_view`.`bytesSent` AS `bytesSent`,
+    `account_netstats`.`bytesReceived` AS `bytesReceived`,
+    `account_netstats`.`bytesSent` AS `bytesSent`,
     `vmlimit`.`max` AS `vmLimit`,
     `vmcount`.`count` AS `vmTotal`,
     `runningvm`.`vmcount` AS `runningVms`,
@@ -89,8 +89,15 @@ from
     `cloud`.`domain` ON account.domain_id = domain.id
         left join
     `cloud`.`data_center` ON account.default_zone_id = data_center.id
-        left join
-    `cloud`.`account_netstats_view` ON account.id = account_netstats_view.account_id
+        left join lateral (
+        select
+            coalesce(sum(`user_statistics`.`net_bytes_received` + `user_statistics`.`current_bytes_received`), 0) AS `bytesReceived`,
+            coalesce(sum(`user_statistics`.`net_bytes_sent` + `user_statistics`.`current_bytes_sent`), 0) AS `bytesSent`
+        from
+            `cloud`.`user_statistics`
+        where
+            `user_statistics`.`account_id` = `account`.`id`
+    ) AS `account_netstats` ON TRUE
         left join
     `cloud`.`resource_limit` vmlimit ON account.id = vmlimit.account_id
         and vmlimit.type = 'user_vm' and vmlimit.tag IS NULL