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| author | Lingzhi Deng <lingzhi.deng@mongodb.com> | 2020-07-06 14:36:42 -0400 |
|---|---|---|
| committer | Evergreen Agent <no-reply@evergreen.mongodb.com> | 2020-07-15 20:07:53 +0000 |
| commit | 5446d926d8d21f3dd583b26980308519a2b67708 (patch) | |
| tree | 9c9c05dcc1b669a587db47e57ba9aa47d84b0c10 /src/mongo/db/server_options.h | |
| parent | c26b0c167e8db6506e547e1daaa51f09a6e6c1bd (diff) | |
| download | mongo-5446d926d8d21f3dd583b26980308519a2b67708.tar.gz | |
SERVER-49269: Add 'previousVersion' field to FCV document when in downgrading states
Diffstat (limited to 'src/mongo/db/server_options.h')
| -rw-r--r-- | src/mongo/db/server_options.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/mongo/db/server_options.h b/src/mongo/db/server_options.h index 6577d946c32..05130d67482 100644 --- a/src/mongo/db/server_options.h +++ b/src/mongo/db/server_options.h @@ -204,6 +204,16 @@ struct ServerGlobalParams { static constexpr Version kLastContinuous = Version::kFullyDowngradedTo44; static constexpr Version kLastLTS = Version::kFullyDowngradedTo44; + // These constants should only be used for generic FCV references. Generic references are + // FCV references that are expected to exist across LTS binary versions. + // NOTE: DO NOT USE THEM FOR REGULAR FCV CHECKS. + static constexpr Version kUpgradingFromLastLTSToLatest = Version::kUpgradingFrom44To451; + static constexpr Version kUpgradingFromLastContinuousToLatest = + Version::kUpgradingFrom44To451; + static constexpr Version kDowngradingFromLatestToLastLTS = Version::kDowngradingFrom451To44; + static constexpr Version kDowngradingFromLatestToLastContinuous = + Version::kDowngradingFrom451To44; + /** * On startup, the featureCompatibilityVersion may not have been explicitly set yet. This * exposes the actual state of the featureCompatibilityVersion if it is uninitialized. |