Summary:
The `std::pair(const T1& x, const T2& y);` constructor is `constexpr`
only starting from C++14; relying on this breaks compilation on certain
compilers/platforms we need to support.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/7519
Test Plan: `make check`
Reviewed By: ajkr
Differential Revision: D24195747
Pulled By: ltamasi
fbshipit-source-id: 665e8fbc9747675bb49c5d895aad3dcf2714750f
RocksDB: A Persistent Key-Value Store for Flash and RAM Storage
RocksDB is developed and maintained by Facebook Database Engineering Team.
It is built on earlier work on LevelDB by Sanjay Ghemawat (sanjay@google.com)
and Jeff Dean (jeff@google.com)
This code is a library that forms the core building block for a fast
key-value server, especially suited for storing data on flash drives.
It has a Log-Structured-Merge-Database (LSM) design with flexible tradeoffs
between Write-Amplification-Factor (WAF), Read-Amplification-Factor (RAF)
and Space-Amplification-Factor (SAF). It has multi-threaded compactions,
making it especially suitable for storing multiple terabytes of data in a
single database.
The public interface is in include/. Callers should not include or
rely on the details of any other header files in this package. Those
internal APIs may be changed without warning.
RocksDB is dual-licensed under both the GPLv2 (found in the COPYING file in the root directory) and Apache 2.0 License (found in the LICENSE.Apache file in the root directory). You may select, at your option, one of the above-listed licenses.
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