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rocksdb/utilities
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Yu Zhang 552bc01669 Surface timestamp from db to the transaction iterator (#11847) 
Summary:
Provide an override implementation of `Iterator::timestamp` API for `BaseDeltaIterator` so that timestamp read from DB can be surfaced by an iterator created from inside of a transaction.

The behavior of the API follows this rule:
1) If the entry is read from within the transaction, an empty `Slice` is returned as the timestamp, regardless of whether `Transaction::SetCommitTimestamp` is called.
2) If the entry is read from the DB, the corresponding `DBIter::timestamp()` API's result is returned.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11847

Test Plan:
make all check
add some unit test

Reviewed By: ltamasi

Differential Revision: D49377359

Pulled By: jowlyzhang

fbshipit-source-id: 1511ead262ce3515ee6c6e0f829f1b69a10fe994
 		2023-09-22 17:28:36 -07:00
..
agg_merge Change internal headers with duplicate names (#11408) 2023-05-17 11:27:09 -07:00
backup Add missing status check when compiling with `ASSERT_STATUS_CHECKED=1` (#11686) 2023-08-09 15:46:44 -07:00
blob_db Track full_history_ts_low per SuperVersion (#11784) 2023-09-13 16:34:18 -07:00
cassandra Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
checkpoint Add missing status check when compiling with `ASSERT_STATUS_CHECKED=1` (#11686) 2023-08-09 15:46:44 -07:00
compaction_filters Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
convenience Run clang-format on utilities/ (except utilities/transactions/) (#10853) 2022-10-24 16:38:09 -07:00
leveldb_options Put Cache and CacheWrapper in new public header (#11192) 2023-02-09 12:12:02 -08:00
memory Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
merge_operators Remove FactoryFunc from LoadXXXObject (#11203) 2023-02-17 12:54:07 -08:00
option_change_migration Add missing status check when compiling with `ASSERT_STATUS_CHECKED=1` (#11686) 2023-08-09 15:46:44 -07:00
options Initial add UDT in memtable only option (#11362) 2023-04-11 17:50:34 -07:00
persistent_cache Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00
simulator_cache Support compressed and local flash secondary cache stacking (#11812) 2023-09-21 20:30:53 -07:00
table_properties_collectors Remove FactoryFunc from LoadXXXObject (#11203) 2023-02-17 12:54:07 -08:00
trace Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00
transactions Surface timestamp from db to the transaction iterator (#11847) 2023-09-22 17:28:36 -07:00
ttl Add missing status check when compiling with `ASSERT_STATUS_CHECKED=1` (#11686) 2023-08-09 15:46:44 -07:00
write_batch_with_index Surface timestamp from db to the transaction iterator (#11847) 2023-09-22 17:28:36 -07:00
cache_dump_load.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
cache_dump_load_impl.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
cache_dump_load_impl.h Group rocksdb.sst.read.micros stat by different user read IOActivity + misc (#11444) 2023-08-08 17:26:50 -07:00
compaction_filters.cc Remove FactoryFunc from LoadXXXObject (#11203) 2023-02-17 12:54:07 -08:00
counted_fs.cc Fix serious FSDirectory use-after-Close bug (missing fsync) (#10460) 2022-08-02 10:54:32 -07:00
counted_fs.h Explicitly closing all directory file descriptors (#10049) 2022-06-01 18:03:34 -07:00
debug.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
env_mirror.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
env_mirror_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
env_timed.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
env_timed.h Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
env_timed_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
fault_injection_env.cc Explicitly closing all directory file descriptors (#10049) 2022-06-01 18:03:34 -07:00
fault_injection_env.h Run clang-format on utilities/ (except utilities/transactions/) (#10853) 2022-10-24 16:38:09 -07:00
fault_injection_fs.cc Inject retryable write IOError when writing to SST files in stress test (#11829) 2023-09-18 16:23:26 -07:00
fault_injection_fs.h Inject retryable write IOError when writing to SST files in stress test (#11829) 2023-09-18 16:23:26 -07:00
fault_injection_secondary_cache.cc Implement a allow cache hits admission policy for the compressed secondary cache (#11713) 2023-08-18 11:19:48 -07:00
fault_injection_secondary_cache.h Support compressed and local flash secondary cache stacking (#11812) 2023-09-21 20:30:53 -07:00
memory_allocators.h Major Cache refactoring, CPU efficiency improvement (#10975) 2023-01-11 14:20:40 -08:00
merge_operators.cc Remove FactoryFunc from LoadXXXObject (#11203) 2023-02-17 12:54:07 -08:00
merge_operators.h Run clang-format on utilities/ (except utilities/transactions/) (#10853) 2022-10-24 16:38:09 -07:00
object_registry.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
object_registry_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
util_merge_operators_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
wal_filter.cc Remove FactoryFunc from LoadXXXObject (#11203) 2023-02-17 12:54:07 -08:00