yiguolei commented on code in PR #14383:
URL: https://github.com/apache/doris/pull/14383#discussion_r1025946375
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be/src/vec/runtime/shared_hash_table_controller.h:
##########
@@ -37,33 +38,170 @@ namespace vectorized {
class VExprContext;
+template <typename RowRefListType>
+struct SerializedHashTableContext {
+ using Mapped = RowRefListType;
+ using HashTable = HashMap<StringRef, Mapped>;
+ using HashTablePtr = std::shared_ptr<HashMap<StringRef, Mapped>>;
+ using State = ColumnsHashing::HashMethodSerialized<typename
HashTable::value_type, Mapped>;
+ using Iter = typename HashTable::iterator;
+
+ HashTable hash_table;
+ Iter iter;
+ bool inited = false;
+
+ void init_once() {
+ if (!inited) {
+ inited = true;
+ iter = hash_table.begin();
+ }
+ }
+};
+
+template <typename HashMethod>
+struct IsSerializedHashTableContextTraits {
+ constexpr static bool value = false;
+};
+
+template <typename Value, typename Mapped>
+struct
IsSerializedHashTableContextTraits<ColumnsHashing::HashMethodSerialized<Value,
Mapped>> {
+ constexpr static bool value = true;
+};
+
+// T should be UInt32 UInt64 UInt128
+template <class T, typename RowRefListType>
+struct PrimaryTypeHashTableContext {
+ using Mapped = RowRefListType;
+ using HashTable = HashMap<T, Mapped, HashCRC32<T>>;
+ using HashTablePtr = std::shared_ptr<HashMap<T, Mapped, HashCRC32<T>>>;
Review Comment:
HashTableSPtr
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