isolation.hxx

Go to the documentation of this file.
00001 /*-------------------------------------------------------------------------
00002  *
00003  *   FILE
00004  *      pqxx/isolation.hxx
00005  *
00006  *   DESCRIPTION
00007  *      definitions of transaction isolation levels
00008  *   Policies and traits describing SQL transaction isolation levels
00009  *   DO NOT INCLUDE THIS FILE DIRECTLY; include pqxx/isolation instead.
00010  *
00011  * Copyright (c) 2003-2008, Jeroen T. Vermeulen <jtv@xs4all.nl>
00012  *
00013  * See COPYING for copyright license.  If you did not receive a file called
00014  * COPYING with this source code, please notify the distributor of this mistake,
00015  * or contact the author.
00016  *
00017  *-------------------------------------------------------------------------
00018  */
00019 #ifndef PQXX_H_ISOLATION
00020 #define PQXX_H_ISOLATION
00021 
00022 #include "pqxx/compiler-public.hxx"
00023 #include "pqxx/compiler-internal-pre.hxx"
00024 
00025 #include "pqxx/util"
00026 
00027 namespace pqxx
00028 {
00029 
00031 
00039 enum isolation_level
00040 {
00041   // read_uncommitted,
00042   read_committed,
00043   // repeatable_read,
00044   serializable
00045 };
00046 
00048 template<isolation_level LEVEL> struct isolation_traits
00049 {
00050   static isolation_level level() throw () { return LEVEL; }
00051   static const char *name() throw ();
00052 };
00053 
00054 
00055 template<> inline const char *isolation_traits<read_committed>::name() throw ()
00056         { return "READ COMMITTED"; }
00057 template<> inline const char *isolation_traits<serializable>::name() throw ()
00058         { return "SERIALIZABLE"; }
00059 
00060 }
00061 
00062 
00063 #include "pqxx/compiler-internal-post.hxx"
00064 
00065 #endif
00066 

Generated on Sun Nov 2 08:25:40 2008 for libpqxx by  doxygen 1.5.5