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-rw-r--r--src/mongo/db/commands/create_indexes.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/mongo/db/commands/create_indexes.cpp b/src/mongo/db/commands/create_indexes.cpp
index 7b27aee91bb..67cd6bdff33 100644
--- a/src/mongo/db/commands/create_indexes.cpp
+++ b/src/mongo/db/commands/create_indexes.cpp
@@ -136,6 +136,7 @@ namespace mongo {
// now we know we have to create index(es)
// Note: createIndexes command does not currently respect shard versioning.
+ ScopedTransaction transaction(txn, MODE_IX);
Lock::DBLock dbLock(txn->lockState(), ns.db(), MODE_X);
Database* db = dbHolder().get(txn, ns.db());
if (!db) {