From e5e066a1daf41b2bcb414e4a4729e4fd3b0c1a32 Mon Sep 17 00:00:00 2001 From: Jordi Serra Torrens Date: Tue, 1 Dec 2020 14:27:57 +0000 Subject: SERVER-52588 Making the upgrade/downgrade process work for the Epoch to ClusterTime migration (PART-2) --- src/mongo/db/s/shard_metadata_util.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/mongo/db/s/shard_metadata_util.h') diff --git a/src/mongo/db/s/shard_metadata_util.h b/src/mongo/db/s/shard_metadata_util.h index f863e406941..376b29eca56 100644 --- a/src/mongo/db/s/shard_metadata_util.h +++ b/src/mongo/db/s/shard_metadata_util.h @@ -221,6 +221,12 @@ void dropChunks(OperationContext* opCtx, const NamespaceString& nss); */ Status deleteDatabasesEntry(OperationContext* opCtx, StringData dbName); +/** + * Downgrades the config.cache.databases entries to prior 4.9 version. More specifically, it removes + * the 'version.timestamp' field from all the documents in config.cache.databases. + * + */ +void downgradeShardConfigDatabasesEntriesToPre49(OperationContext* opCtx); /** * Downgrades the config.cache.collections entries to prior 4.9 version. More specifically, it -- cgit v1.2.1