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rocksdb/db.h: GetDbIdentity comment: ID comes from MANIFEST #13193

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rocksdb/db.h: GetDbIdentity comment: ID comes from MANIFEST #13193

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8 changes: 4 additions & 4 deletions include/rocksdb/db.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1989,15 +1989,15 @@ class DB {

virtual Status VerifyChecksum() { return VerifyChecksum(ReadOptions()); }

// Returns the unique ID which is read from IDENTITY file during the opening
// of database by setting in the identity variable
// Returns Status::OK if identity could be set properly
// Copies the database's unique ID into identity. The ID is read from the
// MANIFEST file when opening the database. See the write_dbid_to_manifest
// option for details. Returns Status::OK if identity was set.
virtual Status GetDbIdentity(std::string& identity) const = 0;

// Return a unique identifier for each DB object that is opened
// This DB session ID should be unique among all open DB instances on all
// hosts, and should be unique among re-openings of the same or other DBs.
// (Two open DBs have the same identity from other function GetDbIdentity when
// (Two open DBs have the same identity from GetDbIdentity when
// one is physically copied from the other.)
virtual Status GetDbSessionId(std::string& session_id) const = 0;

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