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sdong f10f135938 Fix regression bug of hash index with iterator total order seek (#6328) 
Summary:
https://github.com/facebook/rocksdb/pull/6028 introduces a bug for hash index in SST files. If a table reader is created when total order seek is used, prefix_extractor might be passed into table reader as null. While later when prefix seek is used, the same table reader used, hash index is checked but prefix extractor is null and the program would crash.
Fix the issue by fixing http://github.com/facebook/rocksdb/pull/6028 in the way that prefix_extractor is preserved but ReadOptions.total_order_seek is checked

Also, a null pointer check is added so that a bug like this won't cause segfault in the future.
Pull Request resolved: https://github.com/facebook/rocksdb/pull/6328

Test Plan: Add a unit test that would fail without the fix. Stress test that reproduces the crash would pass.

Differential Revision: D19586751

fbshipit-source-id: 8de77690167ddf5a77a01e167cf89430b1bfba42
2020-01-27 15:44:54 -08:00
..
adaptive Organizing rocksdb/table directory by format 2019-05-30 14:51:11 -07:00
block_based Fix regression bug of hash index with iterator total order seek (#6328) 2020-01-27 15:44:54 -08:00
cuckoo Introduce a new storage specific Env API (#5761) 2019-12-13 14:48:41 -08:00
plain Remove a few unnecessary includes 2019-11-19 08:20:42 -08:00
block_fetcher.cc Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
block_fetcher.h Combine the read-ahead logic for user reads and compaction reads (#5431) 2019-06-19 14:10:46 -07:00
cleanable_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
format.cc Add new persistent 64-bit hash (#5984) 2019-10-31 16:36:35 -07:00
format.h New Bloom filter implementation for full and partitioned filters (#6007) 2019-11-13 16:44:01 -08:00
get_context.cc New API to get all merge operands for a Key (#5604) 2019-08-06 14:26:44 -07:00
get_context.h Fix local includes 2019-08-22 16:21:47 -07:00
internal_iterator.h Revert "Merging iterator to avoid child iterator reseek for some cases (#5286)" (#5871) 2019-10-01 11:22:41 -07:00
iter_heap.h Make InternalKeyComparator final and directly use it in merging iterator 2017-09-11 12:04:21 -07:00
iterator_wrapper.h Revert "Merging iterator to avoid child iterator reseek for some cases (#5286)" (#5871) 2019-10-01 11:22:41 -07:00
iterator.cc Add an option to put first key of each sst block in the index (#5289) 2019-06-24 20:54:04 -07:00
merger_test.cc Move test related files under util/ to test_util/ (#5377) 2019-05-30 11:25:51 -07:00
merging_iterator.cc Fix a timer bug in MergingIterator::Seek() caused by #5871 (#5874) 2019-10-01 19:26:18 -07:00
merging_iterator.h Index value delta encoding (#3983) 2018-08-09 16:58:40 -07:00
meta_blocks.cc Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
meta_blocks.h Fix comment of function NotifyCollectTableCollectorsOnFinish (#5738) 2019-08-29 10:57:01 -07:00
mock_table.cc Introduce a new storage specific Env API (#5761) 2019-12-13 14:48:41 -08:00
mock_table.h Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
multiget_context.h Batched MultiGet API for multiple column families (#5816) 2019-11-12 13:52:55 -08:00
persistent_cache_helper.cc Organizing rocksdb/table directory by format 2019-05-30 14:51:11 -07:00
persistent_cache_helper.h Change RocksDB License 2017-07-15 16:11:23 -07:00
persistent_cache_options.h Change RocksDB License 2017-07-15 16:11:23 -07:00
scoped_arena_iterator.h Change RocksDB License 2017-07-15 16:11:23 -07:00
sst_file_reader_test.cc simplify include directive involving inttypes (#5402) 2019-06-06 13:56:07 -07:00
sst_file_reader.cc Introduce a new storage specific Env API (#5761) 2019-12-13 14:48:41 -08:00
sst_file_writer_collectors.h Fix SstFileReader not able to open ingested file (#5097) 2019-03-26 10:25:18 -07:00
sst_file_writer.cc Improve error msg for SstFileWriter Merge (#6261) 2020-01-06 10:57:22 -08:00
table_builder.h Divide file_reader_writer.h and .cc (#5803) 2019-09-16 10:33:51 -07:00
table_properties_internal.h Index value delta encoding (#3983) 2018-08-09 16:58:40 -07:00
table_properties.cc Organizing rocksdb/table directory by format 2019-05-30 14:51:11 -07:00
table_reader_bench.cc Introduce a new storage specific Env API (#5761) 2019-12-13 14:48:41 -08:00
table_reader_caller.h Add more callers for table reader. (#5454) 2019-06-20 14:31:48 -07:00
table_reader.h Apply formatter to recent 200+ commits. (#5830) 2019-09-20 12:04:26 -07:00
table_test.cc Fix kHashSearch bug with SeekForPrev (#6297) 2020-01-15 14:28:39 -08:00
two_level_iterator.cc Add an option to put first key of each sst block in the index (#5289) 2019-06-24 20:54:04 -07:00
two_level_iterator.h Add an option to put first key of each sst block in the index (#5289) 2019-06-24 20:54:04 -07:00