yiguolei commented on code in PR #35493:
URL: https://github.com/apache/doris/pull/35493#discussion_r1616971794
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be/src/olap/rowset/segment_v2/page_builder.h:
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@@ -91,5 +94,15 @@ class PageBuilder {
DISALLOW_COPY_AND_ASSIGN(PageBuilder);
};
+template <typename Derived>
+class PageBuilderHelper : public PageBuilder {
+public:
+ template <typename... Args>
+ static Status create(PageBuilder** builder, Args&&... args) {
+ *builder = new Derived(std::forward<Args>(args)...);
Review Comment:
use a unique ptr
if init failed, then it is auto released.
if status is error, user may not release the builder manually.
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