isolation.hxx

Go to the documentation of this file.

/* Definitions for transaction isolation levels, and such.
 *
 * DO NOT INCLUDE THIS FILE DIRECTLY; include pqxx/isolation instead.
 *
 * Copyright (c) 2000-2025, Jeroen T. Vermeulen.
 *
 * See COPYING for copyright license.  If you did not receive a file called
 * COPYING with this source code, please notify the distributor of this
 * mistake, or contact the author.
 */
#ifndef PQXX_H_ISOLATION
#define PQXX_H_ISOLATION
 
#if !defined(PQXX_HEADER_PRE)
#  error "Include libpqxx headers as <pqxx/header>, not <pqxx/header.hxx>."
#endif
 
#include "pqxx/util.hxx"
 
namespace pqxx
{

enum class write_policy
{
  read_only,
  read_write
};
 


enum isolation_level
{
  // PostgreSQL only has the better isolation levels.
  // read_uncommitted,
 
  read_committed,
  repeatable_read,
  serializable,
};
} // namespace pqxx
#endif