fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Danny Guo b47812fba6 [rocksdb] new CompactionFilterV2 API ... Summary: This diff adds a new CompactionFilterV2 API that roll up the decisions of kv pairs during compactions. These kv pairs must share the same key prefix. They are buffered inside the db. typedef std::vector<Slice> SliceVector; virtual std::vector<bool> Filter(int level, const SliceVector& keys, const SliceVector& existing_values, std::vector<std::string>* new_values, std::vector<bool>* values_changed ) const = 0; Application can override the Filter() function to operate on the buffered kv pairs. More details in the inline documentation. Test Plan: make check. Added unit tests to make sure Keep, Delete, Change all works. Reviewers: haobo CCs: leveldb Differential Revision: https://reviews.facebook.net/D15087		11 years ago
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db_ttl.cc	Make DBWithTTL more like StackableDB	11 years ago
db_ttl.h	[rocksdb] new CompactionFilterV2 API	11 years ago
ttl_test.cc	[rocksdb] new CompactionFilterV2 API	11 years ago