github-actions[bot] commented on code in PR #16263:
URL: https://github.com/apache/doris/pull/16263#discussion_r1090553753
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be/src/service/point_query_executor.h:
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@@ -63,10 +66,93 @@ class Reusable {
int64_t _create_timestamp = 0;
};
+// RowCache is a LRU cache for row store
+class RowCache {
+public:
+ // The cache key for row lru cache
+ struct RowCacheKey {
+ RowCacheKey(int64_t tablet_id, const Slice& key) :
tablet_id(tablet_id), key(key) {}
+ int64_t tablet_id;
+ Slice key;
+
+ // Encode to a flat binary which can be used as LRUCache's key
+ std::string encode() const {
+ std::string full_key;
+ full_key.resize(sizeof(int64_t) + key.size);
+ int8store(&full_key.front(), tablet_id);
+ memcpy((&full_key.front()) + sizeof(tablet_id), key.data,
key.size);
+ return full_key;
+ }
+ };
+
+ // A handle for RowCache entry. This class make it easy to handle
+ // Cache entry. Users don't need to release the obtained cache entry. This
+ // class will release the cache entry when it is destroyed.
+ class CacheHandle {
+ public:
+ CacheHandle() {}
Review Comment:
warning: use '= default' to define a trivial default constructor
[modernize-use-equals-default]
```suggestion
CacheHandle() = default;
```
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