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Diffstat (limited to 'src/mongo/s/query/cluster_find.cpp')
-rw-r--r-- | src/mongo/s/query/cluster_find.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mongo/s/query/cluster_find.cpp b/src/mongo/s/query/cluster_find.cpp index 5db9e202564..7441a613124 100644 --- a/src/mongo/s/query/cluster_find.cpp +++ b/src/mongo/s/query/cluster_find.cpp @@ -141,6 +141,14 @@ StatusWith<CursorId> runQueryWithoutRetrying(OperationContext* txn, params.remotes.resize(shards.size()); for (size_t i = 0; i < shards.size(); ++i) { const auto& shard = shards[i]; + + // The find command cannot be used to query config server content with legacy 3-host config + // servers, because the new targeting logic only works for config server replica sets. + if (shard->isConfig() && shard->getConnString().type() == ConnectionString::SYNC) { + return Status(ErrorCodes::CommandNotSupported, + "find command not supported without config server as a replica set"); + } + auto targeter = shard->getTargeter(); auto hostAndPort = targeter->findHost(readPref); if (!hostAndPort.isOK()) { |