SWJTU-ZhangLei commented on code in PR #11396:
URL: https://github.com/apache/doris/pull/11396#discussion_r934334518


##########
fe/fe-core/src/main/java/org/apache/doris/analysis/MVColumnItem.java:
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@@ -108,6 +108,7 @@ public Column toMVColumn(OlapTable olapTable) throws 
DdlException {
             Preconditions.checkNotNull(defineExpr != null);
             Column result = new Column(name, type, isKey, aggregationType, 
ColumnDef.DefaultValue.ZERO, "");
             result.setDefineExpr(defineExpr);
+            result.setUniqueId(olapTable.incAndGetMaxColUniqueId());

Review Comment:
    In the future, this change will cause problem when we want to support mv do 
light schema change and olapTable.incAndGetMaxColUniqueId() need to write 
editlog for duration.   
   the commit  can justly use temporaryly.



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