seawinde commented on code in PR #49041:
URL: https://github.com/apache/doris/pull/49041#discussion_r2043393795
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fe/fe-core/src/main/java/org/apache/doris/job/extensions/mtmv/MTMVTask.java:
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@@ -194,6 +197,8 @@ public void run() throws JobException {
// lock table order by id to avoid deadlock
MetaLockUtils.readLockTables(tableIfs);
try {
+ // check if column type has changed
+ checkColumnTypeIfChange(mtmv, ctx);
Review Comment:
if column type has changed, it's better to set mtmv status to `schema
change`?
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