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

..

utilities

Add SeekForPrev() to Iterator

2016-09-27 18:20:57 -07:00

c.h

add C api for set wal_recovery_mode (#1327)

2016-09-09 10:11:30 -07:00

cache.h

add stats to Cache::LookUp()

2016-09-01 13:50:39 -07:00

compaction_filter.h

c abi: allow compaction filter ignore snapshot (#1268)

2016-08-17 18:48:43 -07:00

compaction_job_stats.h

Single Delete Mismatch and Fallthrough statistics

2016-08-16 08:21:43 -07:00

comparator.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

convenience.h

DB::GetOptions() reflect dynamic changed options

2016-09-14 22:10:28 -07:00

db_bench_tool.h

Separeate main from bench functionality to allow cusomizations

2016-02-16 06:17:31 -08:00

db_dump_tool.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

db.h

Split DBOptions into ImmutableDBOptions and MutableDBOptions

2016-09-23 16:34:04 -07:00

env.h

Support POSIX RandomRWFile

2016-09-13 12:08:22 -07:00

experimental.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

filter_policy.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

flush_block_policy.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

iostats_context.h

IOStatsContext::ToString() add option to exclude zero counters

2016-02-23 10:26:24 -08:00

iterator.h

Add SeekForPrev() to Iterator

2016-09-27 18:20:57 -07:00

ldb_tool.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

listener.h

add cfh deletion started listener

2016-09-22 11:56:18 -07:00

memtablerep.h

Add SeekForPrev() to Iterator

2016-09-27 18:20:57 -07:00

merge_operator.h

Introduce FullMergeV2 (eliminate memcpy from merge operators)

2016-07-20 09:49:03 -07:00

metadata.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

options.h

Fix typo (#1349)

2016-09-21 20:06:56 -07:00

perf_context.h

Add SeekForPrev() to Iterator

2016-09-27 18:20:57 -07:00

perf_level.h

Move away from enum char value -1

2016-06-14 17:07:34 -07:00

persistent_cache.h

Added PersistentCache abstraction

2016-05-15 22:17:18 -07:00

rate_limiter.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

slice_transform.h

Improve documentation of SliceTransform.

2016-08-11 15:10:09 -07:00

slice.h

to/from hex refactor

2016-03-30 14:36:48 -07:00

snapshot.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

sst_dump_tool.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

sst_file_manager.h

Introduce SstFileManager::SetMaxAllowedSpaceUsage() to cap disk space usage

2016-02-17 15:20:23 -08:00

sst_file_writer.h

Remove ImmutableCFOptions from public API

2016-09-02 14:16:31 -07:00

statistics.h

Ensure Correct Behavior of StatsLevel kExceptDetailedTimers and kExceptTimeForMutex (#1308)

2016-09-01 19:57:55 -07:00

status.h

Add NoSpace subcode to IOError (#1320)

2016-09-07 12:37:45 -07:00

table_properties.h

store prefix_extractor_name in table

2016-08-26 11:46:32 -07:00

table.h

Remove ImmutableCFOptions from public API

2016-09-02 14:16:31 -07:00

thread_status.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

threadpool.h

Expose ThreadPool under include/rocksdb/threadpool.h

2016-08-26 10:41:35 -07:00

transaction_log.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

types.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

universal_compaction.h

Updated all copyright headers to the new format.

2016-02-09 15:12:00 -08:00

version.h

Increase RocksDB version

2016-08-10 13:25:31 -07:00

wal_filter.h

Avoid overloaded virtual function

2016-03-22 17:10:31 -07:00

write_batch_base.h

WriteBatch support for range deletion

2016-08-16 08:16:04 -07:00

write_batch.h

WriteBatch support for range deletion

2016-08-16 08:16:04 -07:00

write_buffer_manager.h

Avoid updating memtable allocated bytes if write_buffer_size is not set

2016-07-13 19:33:57 -07:00