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pass input string to WriteBatch() by const reference

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this may lead to copying less data (in case compilers don't
optimize away copying the string by themselves)
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jsteemann 2015-09-18 20:20:32 +02:00
parent 5ec129971b
commit 4704833357
1 changed files with 1 additions and 1 deletions
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include/rocksdb/write_batch.h
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@ -206,7 +206,7 @@ class WriteBatch : public WriteBatchBase {
WriteBatch* GetWriteBatch() override { return this; } WriteBatch* GetWriteBatch() override { return this; }
// Constructor with a serialized string object // Constructor with a serialized string object
explicit WriteBatch(std::string rep) : save_points_(nullptr), rep_(rep) {} explicit WriteBatch(const std::string& rep) : save_points_(nullptr), rep_(rep) {}
private: private:
friend class WriteBatchInternal; friend class WriteBatchInternal;