SERVER-34617 Make NamespaceString::db() return whole ns() when it has no dots

2 files changed, 2 insertions, 2 deletions

diff --git a/src/mongo/db/namespace_string.h b/src/mongo/db/namespace_string.h
index f9ee71c2637..a5e9f15bd39 100644
--- a/src/mongo/db/namespace_string.h
+++ b/src/mongo/db/namespace_string.h
@@ -175,7 +175,7 @@ public:
     };
 
     StringData db() const {
-        return _dotIndex == std::string::npos ? StringData() : StringData(_ns.c_str(), _dotIndex);
+        return _dotIndex == std::string::npos ? _ns : StringData(_ns.data(), _dotIndex);
     }
 
     StringData coll() const {
diff --git a/src/mongo/db/namespace_string_test.cpp b/src/mongo/db/namespace_string_test.cpp
index 1b8a396776c..24610b8b493 100644
--- a/src/mongo/db/namespace_string_test.cpp
+++ b/src/mongo/db/namespace_string_test.cpp
@@ -335,7 +335,7 @@ TEST(NamespaceStringTest, NamespaceStringParse2) {
 
 TEST(NamespaceStringTest, NamespaceStringParse3) {
     NamespaceString ns("abc");
-    ASSERT_EQUALS(std::string(""), ns.db());
+    ASSERT_EQUALS(std::string("abc"), ns.db());
     ASSERT_EQUALS(std::string(""), ns.coll());
 }