HangyuanLiu commented on a change in pull request #3739:
URL: https://github.com/apache/incubator-doris/pull/3739#discussion_r438037946
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File path: be/src/olap/schema_change.cpp
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@@ -1810,10 +1902,26 @@ OLAPStatus
SchemaChangeHandler::_parse_request(TabletSharedPtr base_tablet,
continue;
}
+ if (materialized_function_map.find(column_name) !=
materialized_function_map.end()) {
Review comment:
I think the materialized view is a calculation of an expression. Logic
of expr should not be written to the storage layer. Different tablets are
irrelevant at the storage level.
So we can refactor this part of the code until the uniform expression
evaluates the logic.
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