1 files changed, 10 insertions, 5 deletions
diff --git a/sql/vers_string.h b/sql/vers_string.h
index d792a60b8fc..e242036b53c 100644
--- a/sql/vers_string.h
+++ b/sql/vers_string.h
@@ -53,11 +53,6 @@ class Lex_cstring : public LEX_CSTRING
     str= NULL;
     length= 0;
   }
-  Lex_cstring(const char *_str)
-  {
-    str= _str;
-    length= strlen(_str);
-  }
   Lex_cstring(const char *_str, size_t _len)
   {
     str= _str;
@@ -76,6 +71,16 @@ class Lex_cstring : public LEX_CSTRING
   }
 };
 
+
+class Lex_cstring_strlen: public Lex_cstring
+{
+public:
+  Lex_cstring_strlen(const char *from)
+   :Lex_cstring(from, from ? strlen(from) : 0)
+  { }
+};
+
+
 template <class Compare>
 struct Lex_cstring_with_compare : public Lex_cstring
 {