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dbms: uniqExact: 16% better [#METR-18564].

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Alexey Milovidov 2015-10-29 05:19:56 +03:00
parent 45065d53aa
commit 459900269f
1 changed files with 1 additions and 1 deletions
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2
dbms/include/DB/AggregateFunctions/AggregateFunctionUniq.h
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@ -68,7 +68,7 @@ struct AggregateFunctionUniqExactData
/// При создании, хэш-таблица должна быть небольшой.
typedef HashSet<
Key,
DefaultHash<Key>,
HashCRC32<Key>,
HashTableGrower<4>,
HashTableAllocatorWithStackMemory<sizeof(Key) * (1 << 4)>
> Set;