github-actions[bot] commented on code in PR #70212:
URL: https://github.com/apache/doris/pull/70212#discussion_r4478624927


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regression-test/suites/variant_p0/sparse_ancestor_promotion_extended.groovy:
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@@ -0,0 +1,140 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+import groovy.json.JsonOutput
+
+suite("sparse_ancestor_promotion_extended", "p0,nonConcurrent") {
+    sql "SET default_variant_enable_doc_mode = false"
+    sql "SET describe_extend_variant_column = true"
+    def backendIPs = [:]
+    def backendHttpPorts = [:]
+    getBackendIpHttpPort(backendIPs, backendHttpPorts)
+    def statusOf = { tablet ->
+        def (code, out, err) = be_show_tablet_status(
+            backendIPs["${tablet.BackendId}"], 
backendHttpPorts["${tablet.BackendId}"], tablet.TabletId)
+        assert code == 0 : err
+        parseJson(out)
+    }
+    def compact = { String tableName ->
+        def tablet = sql_return_maparray("SHOW TABLETS FROM ${tableName}")[0]
+        def before = statusOf(tablet)
+        assert before.rowsets.size() > 1 : before
+        trigger_and_wait_compaction(tableName, "full", 300)
+        def after = statusOf(tablet)
+        // Query equality alone also passes when compaction fails and leaves 
inputs intact.
+        qt_compaction_status "SELECT '${after['last full 
status'].toString().replace("'", "''")}'"
+        assert after.rowsets.size() == 1 : after
+        assert after.rowsets.intersect(before.rowsets).isEmpty() : after
+        qt_output_rows """SELECT count(*), sum(NUM_SEGMENTS), 
sum(ROWSET_NUM_ROWS)
+            FROM information_schema.rowsets WHERE TABLET_ID=${tablet.TabletId} 
AND NUM_SEGMENTS>0"""

Review Comment:
   [P2] Scope the rowset aggregate to the checked backend
   
   In a multi-BE cloud compute group with `enable_cloud_multi_replica`, 
`qt_before` can cache the input rowsets on BE B while the full compaction and 
status checks succeed on BE A. `information_schema.rowsets` scans every BE's 
cached tablet map, so this tablet-only aggregate also counts B's stale inputs 
(or a duplicate refreshed output). The expected `1 / 1 / N` result then fails 
despite successful compaction. Filter by `BACKEND_ID` for the verified backend 
and keep that backend pinned across trigger/status checks, or explicitly guard 
this physical-layout assertion to local mode.



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