19 #ifndef PQXX_H_SUBTRANSACTION 
   20 #define PQXX_H_SUBTRANSACTION 
   22 #include "pqxx/compiler-public.hxx" 
   23 #include "pqxx/compiler-internal-pre.hxx" 
   25 #include "pqxx/dbtransaction" 
  100   virtual void do_begin();                                              
 
  101   virtual void do_commit();                                             
 
  102   virtual void do_abort();                                              
 
  104   void check_backendsupport() 
const;
 
  112 #include "pqxx/compiler-internal-post.hxx"