fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph

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Yu Zhang d1ae7f6c41 Add support to strip / pad timestamp when writing / reading a block (#11472) ... Summary: This patch adds support in `BlockBuilder` to strip user-defined timestamp from the `key` added via `Add(key, value)` and its equivalent APIs. The stripping logic is different when the key is either a user key or an internal key, so the `BlockBuilder` is created with a flag to indicate that. This patch also add support on the read path to APIs `NewIndexIterator`, `NewDataIterator` to support pad a min timestamp. Pull Request resolved: https://github.com/facebook/rocksdb/pull/11472 Test Plan: Three test modes are added to parameterize existing tests: UserDefinedTimestampTestMode::kNone -> UDT feature is not enabled UserDefinedTimestampTestMode::kNormal -> UDT feature enabled, write / read with min timestamp UserDefinedTimestampTestMode::kStripUserDefinedTimestamps -> UDT feature enabled, write / read with min timestamp, set `persist_user_defined_timestamps` where it applies to false. The tests read/write with min timestamp so that point read and range scan can correctly read values in all three test modes. `block_test` are parameterized to run with above three test modes and some additional parameteriazation ``` make all check ./block_test --gtest_filter="P/BlockTest*" ./block_test --gtest_filter="P/IndexBlockTest*" ``` Reviewed By: ltamasi Differential Revision: D46200539 Pulled By: jowlyzhang fbshipit-source-id: 59f5d6b584639976b69c2943eba723bd47d9b3c0		2 years ago
..
mock_time_env.cc	Add a SystemClock class to capture the time functions of an Env (#7858)	4 years ago
mock_time_env.h	Add seqno to time mapping (#10338)	2 years ago
secondary_cache_test_util.cc	HyperClockCache support for SecondaryCache, with refactoring (#11301)	2 years ago
secondary_cache_test_util.h	Add hash_seed to Caches (#11391)	2 years ago
sync_point.cc	clang format files under test_util/ (#10855)	2 years ago
sync_point.h	Document SyncPoint::LoadDependency (#11477)	2 years ago
sync_point_impl.cc	clang format files under test_util/ (#10855)	2 years ago
sync_point_impl.h	clang format files under test_util/ (#10855)	2 years ago
testharness.cc	clang format files under test_util/ (#10855)	2 years ago
testharness.h	Changes and enhancements to compression stats, thresholds (#11388)	2 years ago
testutil.cc	Add support to strip / pad timestamp when writing / reading a block (#11472)	2 years ago
testutil.h	Add support to strip / pad timestamp when writing / reading a block (#11472)	2 years ago
testutil_test.cc	More Makefile Cleanup (#7097)	4 years ago
transaction_test_util.cc	Remove RocksDB LITE (#11147)	2 years ago
transaction_test_util.h	Remove RocksDB LITE (#11147)	2 years ago