yiguolei commented on code in PR #10136:
URL: https://github.com/apache/doris/pull/10136#discussion_r916444639
##########
be/src/olap/delta_writer.h:
##########
@@ -116,7 +122,11 @@ class DeltaWriter {
// TODO: Recheck the lifetime of _mem_table, Look should use unique_ptr
std::shared_ptr<MemTable> _mem_table;
std::unique_ptr<Schema> _schema;
- const TabletSchema* _tablet_schema;
+ //const TabletSchema* _tablet_schema;
+ // tablet schema owned by delta writer, all write will use this tablet
schema
+ // it's build from tablet_schema（stored when create tablet） and
OlapTableSchema
+ // every request will have it's own tablet schema so simple schema change
can work
+ std::shared_ptr<TabletSchema> _tablet_schema;
Review Comment:
why not unique ptr?
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