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sdong 8f2bee6747 Add ReadOptions.auto_prefix_mode (#6314) 
Summary:
Add a new option ReadOptions.auto_prefix_mode. When set to true, iterator should return the same result as total order seek, but may choose to do prefix seek internally, based on iterator upper bounds. Also fix two previous bugs when handling prefix extrator changes: (1) reverse iterator should not rely on upper bound to determine prefix. Fix it with skipping prefix check. (2) block-based filter is not handled properly.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6314

Test Plan: (1) add a unit test; (2) add the check to stress test and run see whether it can pass at least one run.

Differential Revision: D19458717

fbshipit-source-id: 51c1bcc5cdd826c2469af201979a39600e779bce
2020-01-28 14:44:05 -08:00
..
adaptive Organizing rocksdb/table directory by format 2019-05-30 14:51:11 -07:00
block_based Add ReadOptions.auto_prefix_mode (#6314) 2020-01-28 14:44:05 -08:00
cuckoo Introduce a new storage specific Env API (#5761) 2019-12-13 14:48:41 -08:00
plain Add ReadOptions.auto_prefix_mode (#6314) 2020-01-28 14:44:05 -08:00
block_fetcher.cc Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
block_fetcher.h Combine the read-ahead logic for user reads and compaction reads (#5431) 2019-06-19 14:10:46 -07:00
cleanable_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
format.cc Add new persistent 64-bit hash (#5984) 2019-10-31 16:36:35 -07:00
format.h New Bloom filter implementation for full and partitioned filters (#6007) 2019-11-13 16:44:01 -08:00
get_context.cc New API to get all merge operands for a Key (#5604) 2019-08-06 14:26:44 -07:00
get_context.h Fix local includes 2019-08-22 16:21:47 -07:00
internal_iterator.h Revert "Merging iterator to avoid child iterator reseek for some cases (#5286)" (#5871) 2019-10-01 11:22:41 -07:00
iter_heap.h Make InternalKeyComparator final and directly use it in merging iterator 2017-09-11 12:04:21 -07:00
iterator_wrapper.h Revert "Merging iterator to avoid child iterator reseek for some cases (#5286)" (#5871) 2019-10-01 11:22:41 -07:00
iterator.cc Add an option to put first key of each sst block in the index (#5289) 2019-06-24 20:54:04 -07:00
merger_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
merging_iterator.cc Fix a timer bug in MergingIterator::Seek() caused by #5871 (#5874) 2019-10-01 19:26:18 -07:00
merging_iterator.h Index value delta encoding (#3983) 2018-08-09 16:58:40 -07:00
meta_blocks.cc Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
meta_blocks.h Fix comment of function NotifyCollectTableCollectorsOnFinish (#5738) 2019-08-29 10:57:01 -07:00
mock_table.cc Introduce a new storage specific Env API (#5761) 2019-12-13 14:48:41 -08:00
mock_table.h Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
multiget_context.h Batched MultiGet API for multiple column families (#5816) 2019-11-12 13:52:55 -08:00
persistent_cache_helper.cc Organizing rocksdb/table directory by format 2019-05-30 14:51:11 -07:00
persistent_cache_helper.h Change RocksDB License 2017-07-15 16:11:23 -07:00
persistent_cache_options.h Change RocksDB License 2017-07-15 16:11:23 -07:00
scoped_arena_iterator.h Change RocksDB License 2017-07-15 16:11:23 -07:00
sst_file_reader_test.cc simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
sst_file_reader.cc Introduce a new storage specific Env API (#5761) 2019-12-13 14:48:41 -08:00
sst_file_writer_collectors.h Fix SstFileReader not able to open ingested file (#5097) 2019-03-26 10:25:18 -07:00
sst_file_writer.cc Improve error msg for SstFileWriter Merge (#6261) 2020-01-06 10:57:22 -08:00
table_builder.h Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
table_properties_internal.h Index value delta encoding (#3983) 2018-08-09 16:58:40 -07:00
table_properties.cc Organizing rocksdb/table directory by format 2019-05-30 14:51:11 -07:00
table_reader_bench.cc Introduce a new storage specific Env API (#5761) 2019-12-13 14:48:41 -08:00
table_reader_caller.h Add more callers for table reader. (#5454) 2019-06-20 14:31:48 -07:00
table_reader.h Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
table_test.cc Fix kHashSearch bug with SeekForPrev (#6297) 2020-01-15 14:28:39 -08:00
two_level_iterator.cc Add an option to put first key of each sst block in the index (#5289) 2019-06-24 20:54:04 -07:00
two_level_iterator.h Add an option to put first key of each sst block in the index (#5289) 2019-06-24 20:54:04 -07:00