morningman commented on a change in pull request #4317:
URL: https://github.com/apache/incubator-doris/pull/4317#discussion_r467932365



##########
File path: 
fe/fe-core/src/main/java/org/apache/doris/alter/MaterializedViewHandler.java
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@@ -432,6 +432,9 @@ private RollupJobV2 createMaterializedViewJob(String 
mvName, String baseIndexNam
         List<Column> newMVColumns = Lists.newArrayList();
         int numOfKeys = 0;
         if (olapTable.getKeysType().isAggregationFamily()) {
+            if (addMVClause.getMVKeysType() != KeysType.AGG_KEYS) {

Review comment:
       Do we allowed to create mv on unique key table?
   if yes, how to create it?




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