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Diffstat (limited to 'src/mongo/db/catalog/index_key_validate.cpp')
| -rw-r--r-- | src/mongo/db/catalog/index_key_validate.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mongo/db/catalog/index_key_validate.cpp b/src/mongo/db/catalog/index_key_validate.cpp index 8433b958894..20dd9f37fc0 100644 --- a/src/mongo/db/catalog/index_key_validate.cpp +++ b/src/mongo/db/catalog/index_key_validate.cpp @@ -497,6 +497,9 @@ StatusWith<BSONObj> validateIndexSpec(OperationContext* opCtx, const BSONObj& in << "' is only allowed when '" << IndexDescriptor::kKeyPatternFieldName << "' is {\"$**\": ±1}"}; } + if (key.nFields() != 1) { + return {ErrorCodes::CannotCreateIndex, "wildcard indexes do not allow compounding"}; + } if (indexSpecElem.embeddedObject().isEmpty()) { return {ErrorCodes::FailedToParse, |