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rocksdb/table
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Aaron Gao f517d9dd09 Add SeekForPrev() to Iterator 
Summary:
Add new Iterator API, `SeekForPrev`: find the last key that <= target key
support prefix_extractor
support prefix_same_as_start
support upper_bound
not supported in iterators without Prev()

Also add tests in db_iter_test and db_iterator_test

Pass all tests
Cheers!

Test Plan: make all check -j64

Reviewers: andrewkr, yiwu, IslamAbdelRahman, sdong

Reviewed By: sdong

Subscribers: andrewkr, dhruba, leveldb

Differential Revision: https://reviews.facebook.net/D64149
2016-09-27 18:20:57 -07:00
..
adaptive_table_factory.cc
solve the problem of table_factory_to_write_=nullptr (#1342)
2016-09-20 10:11:51 -07:00
adaptive_table_factory.h
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
block_based_filter_block_test.cc
Add statistics field to show total size of index and filter blocks in block cache
2016-06-03 10:47:47 -07:00
block_based_filter_block.cc
BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists
2016-06-10 16:27:56 -07:00
block_based_filter_block.h
BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists
2016-06-10 16:27:56 -07:00
block_based_table_builder.cc
Support ZSTD with finalized format
2016-09-06 12:22:16 -07:00
block_based_table_builder.h
Experiments on column-aware encodings
2016-08-01 14:50:19 -07:00
block_based_table_factory.cc
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
block_based_table_factory.h
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
block_based_table_reader.cc
Temporarily revert Prev() prefix support
2016-09-08 14:45:32 -07:00
block_based_table_reader.h
Remove ImmutableCFOptions from public API
2016-09-02 14:16:31 -07:00
block_builder.cc
Miscellaneous performance improvements
2016-07-12 14:15:32 -07:00
block_builder.h
TableBuilder / TableReader support for range deletion
2016-08-19 15:10:31 -07:00
block_prefix_index.cc
Fix clang analyzer errors
2016-07-08 17:50:51 -07:00
block_prefix_index.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
block_test.cc
Avoid hard-coded sleep in EnvPosixTestWithParam.TwoPools
2016-09-16 17:45:12 -07:00
block.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
block.h
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
bloom_block.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
bloom_block.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
cuckoo_table_builder_test.cc
New Statistics to track Compression/Decompression (#1197)
2016-07-19 09:44:03 -07:00
cuckoo_table_builder.cc
Embed column family name in SST file
2016-04-06 23:10:32 -07:00
cuckoo_table_builder.h
Embed column family name in SST file
2016-04-06 23:10:32 -07:00
cuckoo_table_factory.cc
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
cuckoo_table_factory.h
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
cuckoo_table_reader_test.cc
Embed column family name in SST file
2016-04-06 23:10:32 -07:00
cuckoo_table_reader.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
cuckoo_table_reader.h
Remove ImmutableCFOptions from public API
2016-09-02 14:16:31 -07:00
filter_block.h
BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists
2016-06-10 16:27:56 -07:00
flush_block_policy.cc
Miscellaneous performance improvements
2016-07-12 14:15:32 -07:00
format.cc
Support ZSTD with finalized format
2016-09-06 12:22:16 -07:00
format.h
Remove ImmutableCFOptions from public API
2016-09-02 14:16:31 -07:00
full_filter_block_test.cc
Add statistics field to show total size of index and filter blocks in block cache
2016-06-03 10:47:47 -07:00
full_filter_block.cc
BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists
2016-06-10 16:27:56 -07:00
full_filter_block.h
BlockBasedTable::FullFilterKeyMayMatch() Should skip prefix bloom if full key bloom exists
2016-06-10 16:27:56 -07:00
get_context.cc
Introduce FullMergeV2 (eliminate memcpy from merge operators)
2016-07-20 09:49:03 -07:00
get_context.h
Introduce FullMergeV2 (eliminate memcpy from merge operators)
2016-07-20 09:49:03 -07:00
internal_iterator.h
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
iter_heap.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
iterator_wrapper.h
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
iterator.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
merger_test.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
merger.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
merger.h
Temporarily revert Prev() prefix support
2016-09-08 14:45:32 -07:00
meta_blocks.cc
store prefix_extractor_name in table
2016-08-26 11:46:32 -07:00
meta_blocks.h
New Statistics to track Compression/Decompression (#1197)
2016-07-19 09:44:03 -07:00
mock_table.cc
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
mock_table.h
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
persistent_cache_helper.cc
Added PersistentCache abstraction
2016-05-15 22:17:18 -07:00
persistent_cache_helper.h
Added PersistentCache abstraction
2016-05-15 22:17:18 -07:00
plain_table_builder.cc
store prefix_extractor_name in table
2016-08-26 11:46:32 -07:00
plain_table_builder.h
Embed column family name in SST file
2016-04-06 23:10:32 -07:00
plain_table_factory.cc
store prefix_extractor_name in table
2016-08-26 11:46:32 -07:00
plain_table_factory.h
Only cache level 0 indexes and filter when opening table reader
2016-07-20 11:23:31 -07:00
plain_table_index.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
plain_table_index.h
Remove ImmutableCFOptions from public API
2016-09-02 14:16:31 -07:00
plain_table_key_coding.cc
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
plain_table_key_coding.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
plain_table_reader.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
plain_table_reader.h
Skip bottom-level filter block caching when hit-optimized
2015-12-23 10:15:07 -08:00
scoped_arena_iterator.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00
sst_file_writer.cc
Add TableBuilderOptions::level and relevant changes (#1335)
2016-09-17 22:30:43 -07:00
table_builder.h
Add TableBuilderOptions::level and relevant changes (#1335)
2016-09-17 22:30:43 -07:00
table_properties_internal.h
TableBuilder / TableReader support for range deletion
2016-08-19 15:10:31 -07:00
table_properties.cc
store prefix_extractor_name in table
2016-08-26 11:46:32 -07:00
table_reader_bench.cc
Add TableBuilderOptions::level and relevant changes (#1335)
2016-09-17 22:30:43 -07:00
table_reader.h
TableBuilder / TableReader support for range deletion
2016-08-19 15:10:31 -07:00
table_test.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
two_level_iterator.cc
Add SeekForPrev() to Iterator
2016-09-27 18:20:57 -07:00
two_level_iterator.h
Updated all copyright headers to the new format.
2016-02-09 15:12:00 -08:00