Add file number/oldest referenced blob file number to {Sst,Live}FileMetaData #6011
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…a consistent picture
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siying
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…etaData (facebook#6011) Summary: The patch exposes the file numbers of the SSTs as well as the oldest blob files they contain a reference to through the GetColumnFamilyMetaData/ GetLiveFilesMetaData interface. Pull Request resolved: facebook#6011 Test Plan: Fixed and extended the existing unit tests. (The earlier ColumnFamilyMetaDataTest wasn't really testing anything because the generated memtables were never flushed, so the metadata structure was essentially empty.) Differential Revision: D18361697 Pulled By: ltamasi fbshipit-source-id: d5ed1d94ac70858b84393c48711441ddfe1251e9
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Summary:
The patch exposes the file numbers of the SSTs as well as the oldest blob
files they contain a reference to through the GetColumnFamilyMetaData/
GetLiveFilesMetaData interface.
Test Plan:
Fixed and extended the existing unit tests. (The earlier ColumnFamilyMetaDataTest
wasn't really testing anything because the generated memtables were never
flushed, so the metadata structure was essentially empty.)