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// file : odb/pgsql/connection.hxx
// author : Constantin Michael <constantin@codesynthesis.com>
// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
#ifndef ODB_PGSQL_CONNECTION_HXX
#define ODB_PGSQL_CONNECTION_HXX
#include <odb/pre.hxx>
#include <vector>
#include <memory> // std::auto_ptr
#include <odb/forward.hxx>
#include <odb/connection.hxx>
#include <odb/details/shared-ptr.hxx>
#include <odb/pgsql/version.hxx>
#include <odb/pgsql/forward.hxx>
#include <odb/pgsql/tracer.hxx>
#include <odb/pgsql/transaction-impl.hxx>
#include <odb/pgsql/auto-handle.hxx>
#include <odb/pgsql/pgsql-fwd.hxx> // PGconn
#include <odb/pgsql/details/export.hxx>
namespace odb
{
namespace pgsql
{
class statement;
class statement_cache;
class connection;
typedef details::shared_ptr<connection> connection_ptr;
class LIBODB_PGSQL_EXPORT connection: public odb::connection
{
public:
typedef pgsql::statement_cache statement_cache_type;
typedef pgsql::database database_type;
virtual
~connection ();
connection (database_type&);
connection (database_type&, PGconn* handle);
database_type&
database ()
{
return db_;
}
public:
virtual transaction_impl*
begin ();
public:
using odb::connection::execute;
virtual unsigned long long
execute (const char* statement, std::size_t length);
// SQL statement tracing.
//
public:
typedef pgsql::tracer tracer_type;
void
tracer (tracer_type& t)
{
odb::connection::tracer (t);
}
void
tracer (tracer_type* t)
{
odb::connection::tracer (t);
}
using odb::connection::tracer;
public:
PGconn*
handle ()
{
return handle_;
}
statement_cache_type&
statement_cache ()
{
return *statement_cache_;
}
private:
connection (const connection&);
connection& operator= (const connection&);
private:
void
init ();
private:
// Needed to break the circular connection-database dependency
// (odb::connection has the odb::database member).
//
database_type& db_;
auto_handle<PGconn> handle_;
// Keep statement_cache_ after handle_ so that it is destroyed before
// the connection is closed.
//
std::auto_ptr<statement_cache_type> statement_cache_;
};
}
}
#include <odb/post.hxx>
#endif // ODB_PGSQL_CONNECTION_HXX
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