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Haobo Xu fd2044883a [RocksDB] Generalize prefix-aware iterator to be used for more than one Seek 
Summary: Added a prefix_seek flag in ReadOptions to indicate that Seek is prefix aware(might not return data with different prefix), and also not bound to a specific prefix. Multiple Seeks and range scans can be invoked on the same iterator. If a specific prefix is specified, this flag will be ignored. Just a quick prototype that works for PrefixHashRep, the new lockless memtable could be easily extended with this support too.

Test Plan: test it on Leaf

Reviewers: dhruba, kailiu, sdong, igor

Reviewed By: igor

CC: leveldb

Differential Revision: https://reviews.facebook.net/D13929
2013-11-06 20:45:49 -08:00
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arena_impl.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
arena_impl.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
arena_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
auto_roll_logger.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
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bit_set.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
blob_store.cc Implement max_size in BlobStore 2013-10-23 14:38:52 -07:00
blob_store.h Implement max_size in BlobStore 2013-10-23 14:38:52 -07:00
blob_store_test.cc Implement max_size in BlobStore 2013-10-23 14:38:52 -07:00
bloom.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
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coding.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
coding_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
comparator.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
crc32c.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
crc32c.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
crc32c_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
env.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
env_hdfs.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
env_posix.cc Implement a compressed block cache. 2013-11-01 14:31:35 -07:00
env_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
filelock_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
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hash.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
hash.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
histogram.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
histogram.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
histogram_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
ldb_cmd.cc Task #3071144 Enhance ldb (db dump tool for leveldb) to report row counters for each row type 2013-11-01 13:59:14 -07:00
ldb_cmd.h Task #3071144 Enhance ldb (db dump tool for leveldb) to report row counters for each row type 2013-11-01 13:59:14 -07:00
ldb_cmd_execute_result.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
ldb_tool.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
logging.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
logging.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
manual_compaction_test.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
murmurhash.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
murmurhash.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
mutexlock.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
options.cc WAL log retention policy based on archive size. 2013-11-06 18:46:28 -08:00
perf_context.cc [RocksDB] Add perf_context.wal_write_time to track time spent on writing the recovery log. 2013-10-23 13:38:39 -07:00
perf_context_imp.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
posix_logger.h Log flush every 0 seconds 2013-11-06 14:19:46 -08:00
random.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
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stl_wrappers.h Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00
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transformrep.cc [RocksDB] Generalize prefix-aware iterator to be used for more than one Seek 2013-11-06 20:45:49 -08:00
transformrepnolock.cc TransformRep - use array instead of unordered_map 2013-11-06 11:55:43 -08:00
vectorrep.cc Add appropriate LICENSE and Copyright message. 2013-10-16 17:48:41 -07:00