os/KeyValueDB: Add raw_key() interface for IteratorImpl

raw_key() is useful to split out the prefix.

Signed-off-by: Xiaoxi Chen <xiaoxi.chen@intel.com>

diff --git a/src/os/KeyValueDB.h b/src/os/KeyValueDB.h
index 028243667dbb1c5665d662784383bfeec0bcccd0..e82151d53e7aa8a1a8d37dab7b51b3cde3d8d353 100644 (file)
--- a/src/os/KeyValueDB.h
+++ b/src/os/KeyValueDB.h
@@ -160,6 +160,9 @@ public:
     string key() {
       return generic_iter->key();
     }
+    pair<string, string> raw_key() {
+      return generic_iter->raw_key();
+    }
     bufferlist value() {
       return generic_iter->value();
     }