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Levi Tamasi 9794acb597 Add a new MultiGetEntity API (#11222) 
Summary:
The new `MultiGetEntity` API can be used to get a consistent view of
a batch of keys, with the results presented as wide-column entities.
Similarly to `GetEntity` and the iterator's `columns` API, if the entry
corresponding to the key is a wide-column entity to start with, it is
returned as-is, and if it is a plain key-value, it is wrapped into an entity
with a single default column.

Implementation-wise, the new API shares the logic of the batched `MultiGet`
API (via the `MultiGetCommon` methods). Both single-CF and multi-CF
`MultiGetEntity` APIs are provided, and blobs are also supported.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/11222

Test Plan: `make check`

Reviewed By: akankshamahajan15

Differential Revision: D43256950

Pulled By: ltamasi

fbshipit-source-id: 47fb2cb7e2d0470e3580f43fdb2fe9e51f0e7005
 		2023-02-15 09:34:17 -08:00
..
blob_constants.h Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_contents.cc Major Cache refactoring, CPU efficiency improvement (#10975) 2023-01-11 14:20:40 -08:00
blob_contents.h Put Cache and CacheWrapper in new public header (#11192) 2023-02-09 12:12:02 -08:00
blob_counting_iterator.h Revert #10802 Consider range tombstone in compaction output file cutting (#11089) 2023-01-13 12:28:21 -08:00
blob_counting_iterator_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_fetcher.cc Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
blob_fetcher.h Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
blob_file_addition.cc Print blob file checksums as hex (#8437) 2021-06-22 09:49:44 -07:00
blob_file_addition.h Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_file_addition_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_file_builder.cc Major Cache refactoring, CPU efficiency improvement (#10975) 2023-01-11 14:20:40 -08:00
blob_file_builder.h Support prepopulating/warming the blob cache (#10298) 2022-07-17 07:13:59 -07:00
blob_file_builder_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_file_cache.cc Major Cache refactoring, CPU efficiency improvement (#10975) 2023-01-11 14:20:40 -08:00
blob_file_cache.h Major Cache refactoring, CPU efficiency improvement (#10975) 2023-01-11 14:20:40 -08:00
blob_file_cache_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_file_completion_callback.h Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
blob_file_garbage.cc Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_file_garbage.h Move BlobDB related files under db/ to db/blob/ (#6519) 2020-03-12 11:00:56 -07:00
blob_file_garbage_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_file_meta.cc Add BlobMetaData retrieval methods (#8273) 2021-06-28 08:13:29 -07:00
blob_file_meta.h Add BlobMetaData retrieval methods (#8273) 2021-06-28 08:13:29 -07:00
blob_file_reader.cc Major Cache refactoring, CPU efficiency improvement (#10975) 2023-01-11 14:20:40 -08:00
blob_file_reader.h Eliminate some allocations/copies around the blob cache (#10647) 2022-09-08 12:40:18 -07:00
blob_file_reader_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_garbage_meter.cc Add a class for measuring the amount of garbage generated during compaction (#8426) 2021-06-21 22:25:30 -07:00
blob_garbage_meter.h Add a class for measuring the amount of garbage generated during compaction (#8426) 2021-06-21 22:25:30 -07:00
blob_garbage_meter_test.cc Print stack traces on frozen tests in CI (#10828) 2022-10-18 00:35:35 -07:00
blob_index.h Remove local static string (#8103) 2022-08-05 23:03:51 -07:00
blob_log_format.cc Remove local static string (#8103) 2022-08-05 23:03:51 -07:00
blob_log_format.h Run clang-format on db/blob/ (#10856) 2022-10-24 16:00:32 -07:00
blob_log_sequential_reader.cc Add rate limiter priority to ReadOptions (#9424) 2022-02-16 23:18:14 -08:00
blob_log_sequential_reader.h Fix a issue with initializing blob header buffer (#8537) 2021-08-02 17:15:06 -07:00
blob_log_writer.cc WritableFileWriter tries to skip operations after failure (#10489) 2022-08-10 10:19:20 -07:00
blob_log_writer.h Use SystemClock* instead of std::shared_ptr<SystemClock> in lower level routines (#8033) 2021-03-15 04:34:11 -07:00
blob_read_request.h Enable blob caching for MultiGetBlob in RocksDB (#10272) 2022-06-30 13:24:35 -07:00
blob_source.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
blob_source.h Major Cache refactoring, CPU efficiency improvement (#10975) 2023-01-11 14:20:40 -08:00
blob_source_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
db_blob_basic_test.cc Add a new MultiGetEntity API (#11222) 2023-02-15 09:34:17 -08:00
db_blob_compaction_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
db_blob_corruption_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
db_blob_index_test.cc Remove RocksDB LITE (#11147) 2023-01-27 13:14:19 -08:00
prefetch_buffer_collection.cc Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00
prefetch_buffer_collection.h Support readahead during compaction for blob files (#9187) 2021-11-19 17:53:47 -08:00