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Temporarily disable precalculated bias estimations for precisions other than 17.

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This commit is contained in:
Ivan Lezhankin 2018-10-23 17:59:24 +03:00
parent 2a53716043
commit 9296ef5008
2 changed files with 11 additions and 3 deletions
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2
dbms/scripts/gen-bias-data.py
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@ -1,4 +1,4 @@
#!/usr/bin/python3.4
#!/usr/bin/python3
# -*- coding: utf-8 -*-
import sys

12
dbms/src/AggregateFunctions/AggregateFunctionUniqCombined.h
View File

@ -68,12 +68,20 @@ namespace detail
template <typename Key, UInt8 K>
struct AggregateFunctionUniqCombinedDataWithKey
{
using Set = CombinedCardinalityEstimator<Key, HashSet<Key, TrivialHash, HashTableGrower<>>, 16, K - 3, K, TrivialHash, Key>;
Set set;
};
template <typename Key>
struct AggregateFunctionUniqCombinedDataWithKey<Key, 17>
{
using Set = CombinedCardinalityEstimator<Key,
HashSet<Key, TrivialHash, HashTableGrower<>>,
16,
K - 3,
K,
14,
17,
TrivialHash,
Key,
HyperLogLogBiasEstimator<UniqCombinedBiasData>,