diff options
Diffstat (limited to 'src/mongo/db/catalog/coll_mod.cpp')
| -rw-r--r-- | src/mongo/db/catalog/coll_mod.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/mongo/db/catalog/coll_mod.cpp b/src/mongo/db/catalog/coll_mod.cpp index dc02c016862..8ae88794bb7 100644 --- a/src/mongo/db/catalog/coll_mod.cpp +++ b/src/mongo/db/catalog/coll_mod.cpp @@ -639,8 +639,9 @@ Status _collModInternal(OperationContext* opCtx, opCtx, coll.getWritableCollection(), desc); } - // TODO SERVER-60911: When kLatest is 5.3, only check when upgrading from kLastLTS (5.0). - // TODO SERVER-60912: When kLastLTS is 6.0, remove this FCV-gated upgrade code. + // TODO SERVER-60911: When kLatest is 5.3, only check when upgrading from or downgrading to + // kLastLTS (5.0). + // TODO SERVER-60912: When kLastLTS is 6.0, remove this FCV-gated upgrade/downgrade code. if (coll->getTimeseriesOptions() && !coll->getTimeseriesBucketsMayHaveMixedSchemaData() && serverGlobalParams.featureCompatibility.isFCVUpgradingToOrAlreadyLatest()) { // While upgrading the FCV to 5.2+, collMod is called as part of the upgrade process to @@ -649,6 +650,14 @@ Status _collModInternal(OperationContext* opCtx, // time-series collection existed in earlier server versions and may have mixed-schema // data. coll.getWritableCollection()->setTimeseriesBucketsMayHaveMixedSchemaData(opCtx, true); + } else if (coll->getTimeseriesBucketsMayHaveMixedSchemaData() && + serverGlobalParams.featureCompatibility + .isFCVDowngradingOrAlreadyDowngradedFromLatest()) { + // While downgrading the FCV from 5.2, collMod is called as part of the downgrade + // process to remove the 'timeseriesBucketsMayHaveMixedSchemaData' catalog entry + // flag for time-series collections that have the flag. + coll.getWritableCollection()->setTimeseriesBucketsMayHaveMixedSchemaData(opCtx, + boost::none); } // Only observe non-view collMods, as view operations are observed as operations on the |