rocksdb/utilities
sdong 4f9c0fd083 Add Aggregation Merge Operator (#9780)
Summary:
Add a merge operator that allows users to register specific aggregation function so that they can does aggregation based per key using different aggregation types.
See comments of function CreateAggMergeOperator() for actual usage.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9780

Test Plan: Add a unit test to coverage various cases.

Reviewed By: ltamasi

Differential Revision: D35267444

fbshipit-source-id: 5b02f31c4f3e17e96dd4025cdc49fca8c2868628
2022-04-15 23:24:05 -07:00
..
agg_merge Add Aggregation Merge Operator (#9780) 2022-04-15 23:24:05 -07:00
backup Fix remaining uses of "backupable" (#9792) 2022-04-05 09:52:33 -07:00
blob_db Propagate errors from UpdateBoundaries (#9851) 2022-04-15 20:25:48 -07:00
cassandra Restore Regex support for ObjectLibrary::Register, rename new APIs to allow old one to be deprecated in the future (#9362) 2022-01-11 06:33:48 -08:00
checkpoint Add Temperature info in NewSequentialFile() (#9499) 2022-02-18 18:23:07 -08:00
compaction_filters Make MergeOperator+CompactionFilter/Factory into Customizable Classes (#8481) 2021-08-06 08:27:25 -07:00
convenience Add a SystemClock class to capture the time functions of an Env (#7858) 2021-01-25 22:09:11 -08:00
leveldb_options Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
memory Make types of Immutable/Mutable Options fields match that of the underlying Option (#8176) 2021-04-22 20:43:54 -07:00
merge_operators Remove using namespace (#9369) 2022-01-12 09:31:12 -08:00
option_change_migration Fix some typos in comments and HISTORY.md (#9798) 2022-04-04 09:32:57 -07:00
options Allow WAL dir to change with db dir (#8582) 2021-07-30 12:16:44 -07:00
persistent_cache Add rate limiter priority to ReadOptions (#9424) 2022-02-16 23:18:14 -08:00
simulator_cache Update Cache::Release param from force_erase to erase_if_last_ref (#9728) 2022-03-22 10:22:18 -07:00
table_properties_collectors Restore Regex support for ObjectLibrary::Register, rename new APIs to allow old one to be deprecated in the future (#9362) 2022-01-11 06:33:48 -08:00
trace Add rate limiter priority to ReadOptions (#9424) 2022-02-16 23:18:14 -08:00
transactions Meta-internal folly integration with F14FastMap (#9546) 2022-04-13 07:34:01 -07:00
ttl Work around some new clang-analyze failures (#9515) 2022-02-07 18:24:36 -08:00
write_batch_with_index Support WBWI for keys having timestamps (#9603) 2022-02-22 14:23:01 -08:00
cache_dump_load_impl.cc New stable, fixed-length cache keys (#9126) 2021-12-16 17:15:13 -08:00
cache_dump_load_impl.h Meta-internal folly integration with F14FastMap (#9546) 2022-04-13 07:34:01 -07:00
cache_dump_load.cc Introduce a mechanism to dump out blocks from block cache and re-insert to secondary cache (#8912) 2021-10-07 11:42:31 -07:00
compaction_filters.cc Restore Regex support for ObjectLibrary::Register, rename new APIs to allow old one to be deprecated in the future (#9362) 2022-01-11 06:33:48 -08:00
counted_fs.cc Introduce a CountedFileSystem for counting file operations (#9283) 2022-02-03 15:01:23 -08:00
counted_fs.h Introduce a CountedFileSystem for counting file operations (#9283) 2022-02-03 15:01:23 -08:00
debug.cc In ParseInternalKey(), include corrupt key info in Status (#7515) 2020-10-28 10:12:58 -07:00
env_mirror_test.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
env_mirror.cc Fix clang13 build error (#9374) 2022-01-11 10:36:22 -08:00
env_timed_test.cc Make env*_test work with ASSERT_STATUS_CHECKED (#7176) 2020-07-28 22:59:48 -07:00
env_timed.cc Make FileSystem a Customizable Class (#8649) 2021-11-02 09:07:11 -07:00
env_timed.h Make FileSystem a Customizable Class (#8649) 2021-11-02 09:07:11 -07:00
fault_injection_env.cc Protect existing files in FaultInjectionTest{Env,FS}::ReopenWritableFile() (#8995) 2021-10-11 16:23:18 -07:00
fault_injection_env.h Make the Env class Customizable (#9293) 2022-01-04 16:45:49 -08:00
fault_injection_fs.cc Skip directory fsync for filesystem btrfs (#8903) 2021-11-03 12:21:27 -07:00
fault_injection_fs.h Fix a bug causing duplicate trailing entries in WritableFile (buffered IO) (#9236) 2021-12-13 09:00:36 -08:00
fault_injection_secondary_cache.cc Prevent double caching in the compressed secondary cache (#9747) 2022-04-11 13:28:33 -07:00
fault_injection_secondary_cache.h Prevent double caching in the compressed secondary cache (#9747) 2022-04-11 13:28:33 -07:00
memory_allocators.h Make MemoryAllocator into a Customizable class (#8980) 2021-12-17 04:20:47 -08:00
merge_operators.cc Restore Regex support for ObjectLibrary::Register, rename new APIs to allow old one to be deprecated in the future (#9362) 2022-01-11 06:33:48 -08:00
merge_operators.h Make MergeOperator+CompactionFilter/Factory into Customizable Classes (#8481) 2021-08-06 08:27:25 -07:00
object_registry_test.cc Plugin Registry (#7949) 2022-04-11 13:44:09 -07:00
object_registry.cc Plugin Registry (#7949) 2022-04-11 13:44:09 -07:00
util_merge_operators_test.cc Replace namespace name "rocksdb" with ROCKSDB_NAMESPACE (#6433) 2020-02-20 12:09:57 -08:00
wal_filter.cc Make WalFilter, SstPartitionerFactory, FileChecksumGenFactory, and TableProperties Customizable (#8638) 2021-09-28 05:32:02 -07:00