morrySnow commented on code in PR #47066:
URL: https://github.com/apache/doris/pull/47066#discussion_r1918874805


##########
fe/fe-core/src/main/java/org/apache/doris/common/cache/NereidsSqlCacheManager.java:
##########
@@ -350,13 +344,26 @@ private boolean tablesOrDataChanged(Env env, 
SqlCacheContext sqlCacheContext) {
                 return true;
             }
             OlapTable olapTable = (OlapTable) tableIf;
-            Collection<Long> partitionIds = scanTable.getScanPartitions();
-            olapTable.getVersionInBatchForCloudMode(partitionIds);
-
-            for (Long scanPartitionId : scanTable.getScanPartitions()) {
-                Partition partition = olapTable.getPartition(scanPartitionId);
+            List<Column> currentFullSchema = olapTable.getFullSchema();
+            List<Column> cacheFullSchema = scanTable.latestColumns;
+            if (currentFullSchema.size() != cacheFullSchema.size()) {
+                return true;
+            }
+            for (int i = 0; i < currentFullSchema.size(); i++) {
+                Column currentColumn = currentFullSchema.get(i);
+                Column cacheColumn = cacheFullSchema.get(i);
+                if (currentColumn.hashCode() != cacheColumn.hashCode()) {
+                    return true;
+                }
+            }
+            Map<Long, Long> scanPartitionIdToVersion = 
scanTable.scanPartitionIdToVersion;
+            for (Entry<Long, Long> entry : 
scanPartitionIdToVersion.entrySet()) {
+                Long scanPartitionId = entry.getKey();
+                Long cachePartitionVersion = entry.getValue();
+                Partition currentPartition = 
olapTable.getPartition(scanPartitionId);

Review Comment:
   in cloud mode, partition info saved in fdb. Every time partition info is 
fetched, it triggers a RPC. 



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