Import ndb varsize

storage/ndb/include/util/BaseString.hpp

@@ -47,6 +47,9 @@ public:
   /** @brief Checks if the string is empty */
   bool empty() const;
 
+  /** @brief Clear a string */
+  void clear();
+
   /** @brief Convert to uppercase */
   BaseString& ndb_toupper();
 
@@ -206,6 +209,15 @@ BaseString::empty() const
   return m_len == 0;
 }
 
+inline void
+BaseString::clear()
+{
+  delete[] m_chr;
+  m_chr = new char[1];
+  m_chr[0] = 0;
+  m_len = 0;
+}
+
 inline BaseString&
 BaseString::ndb_toupper() {
   for(unsigned i = 0; i < length(); i++)