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Fixed errors on clang [#CLICKHOUSE-2902].

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This commit is contained in:
Alexey Milovidov 2017-04-15 07:03:12 +03:00
parent 0d2b1f6b6b
commit 676192f16e
1 changed files with 4 additions and 4 deletions
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8
dbms/src/Storages/MergeTree/MergeTreeBlockReadUtils.h
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@ -5,9 +5,9 @@
namespace DB
{
struct MergeTreeData;
class MergeTreeData;
struct MergeTreeReadTask;
class MergeTreeBlockSizePredictor;
struct MergeTreeBlockSizePredictor;
using MergeTreeReadTaskPtr = std::unique_ptr<MergeTreeReadTask>;
using MergeTreeBlockSizePredictorPtr = std::shared_ptr<MergeTreeBlockSizePredictor>;
@ -67,7 +67,7 @@ struct MergeTreeBlockSizePredictor
void startBlock();
/// Updates statistic for more accurate prediction
void update(const Block & block, double decay = DECAY);
void update(const Block & block, double decay = DECAY());
/// Return current block size (after update())
inline size_t getBlockSize() const
@ -93,7 +93,7 @@ struct MergeTreeBlockSizePredictor
/// After n=NUM_UPDATES_TO_TARGET_WEIGHT updates v_{n} = (1 - TARGET_WEIGHT) * v_{0} + TARGET_WEIGHT * v_{target}
static constexpr double TARGET_WEIGHT = 0.5;
static constexpr size_t NUM_UPDATES_TO_TARGET_WEIGHT = 8192;
static constexpr double DECAY = 1. - std::pow(TARGET_WEIGHT, 1. / NUM_UPDATES_TO_TARGET_WEIGHT);
static double DECAY() { return 1. - std::pow(TARGET_WEIGHT, 1. / NUM_UPDATES_TO_TARGET_WEIGHT); }
protected: