rocksdb/db/compaction
satyajanga 036bbab6f7 Use the comparator from the sst file table properties in sst_dump_tool (#9491)
Summary:
We introduced a new Comparator for timestamp in user keys. In the sst_dump_tool by default we use BytewiseComparator to read sst files. This change allows us to read comparator_name from table properties in meta data block and use it to read.

Pull Request resolved: https://github.com/facebook/rocksdb/pull/9491

Test Plan:
added unittests for new functionality.
make check
![image](https://user-images.githubusercontent.com/4923556/152915444-28b88a1f-7b4e-47d0-815f-7011552bd9a2.png)
![image](https://user-images.githubusercontent.com/4923556/152916196-bea3d2a1-a3d5-4362-b911-036131b83e8d.png)

Reviewed By: riversand963

Differential Revision: D33993614

Pulled By: satyajanga

fbshipit-source-id: 4b5cf938e6d2cb3931d763bef5baccc900b8c536
2022-02-08 12:15:35 -08:00
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