Yanqin Jin ce52274640 Replace 'string' with 'const string&' in FileOperationInfo (#4491) ... Summary: Using const string& can avoid one extra string copy. This PR addresses a recent comment made by siying on #3933. Pull Request resolved: https://github.com/facebook/rocksdb/pull/4491 Differential Revision: D10381211 Pulled By: riversand963 fbshipit-source-id: 27fc2d65d84bc7cd07833c77cdc47f06dcfaeb31		2018-10-15 13:46:01 -07:00
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rocksdb	Replace 'string' with 'const string&' in FileOperationInfo (#4491)	2018-10-15 13:46:01 -07:00