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/* db.h
*
* $Id$
*
* This file is part of the OpenLink Software Virtuoso Open-Source (VOS)
* project.
*
* Copyright (C) 1998-2012 OpenLink Software
*
* This project is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; only version 2 of the License, dated June 1991.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*
*/
#ifndef DB_H
#define DB_H
#include "refcounted.h"
#include "util.h"
class RowsetPropertySet;
class EnvironmentImpl;
class ConnectionPool;
class ConnectionPoolImpl;
class ConnectionImpl;
class StatementImpl;
#define VDB_BAD_CURSOR_TYPE 0x12345678
#define VDB_BAD_CONCURRENCY 0x12345678
struct ConnectionPoolInfo
{
int cpi_conn_min;
int cpi_conn_max_soft;
int cpi_conn_max_hard;
};
struct ConnectionInfo
{
ConnectionInfo();
ConnectionInfo(const ConnectionInfo &info);
ConnectionInfo& operator=(const ConnectionInfo &info);
std::string ci_userid;
std::string ci_password;
std::string ci_datasource;
std::string ci_catalog;
std::string ci_providerstring;
HWND ci_hwnd;
int ci_prompt;
int ci_timeout;
bool ci_encrypt;
bool ci_show_systemtables;
std::string ci_pkcs12_file;
};
class Environment : public RefCounted<EnvironmentImpl>
{
public:
Environment();
~Environment();
Environment(const Environment&);
Environment& operator=(const Environment&);
HRESULT Init();
SQLHENV GetHENV() const;
void DoDiagnostics() const;
friend ConnectionPool;
};
class ConnectionPool : public RefCounted<ConnectionPoolImpl>
{
public:
ConnectionPool();
~ConnectionPool();
ConnectionPool(const ConnectionPool&);
ConnectionPool& operator=(const ConnectionPool&);
HRESULT Init
(
Environment &environment,
const ConnectionPoolInfo &pool_info,
const ConnectionInfo &conn_info
);
const ConnectionInfo& GetConnectionInfo() const;
HRESULT GetActiveSessions(LONG& value);
HRESULT GetCurrentCatalog(std::string& catalog) const;
HRESULT SetCurrentCatalog(const std::string& catalog);
HRESULT GetDBMSName(std::string& value);
HRESULT GetDBMSVer(std::string& value);
HRESULT GetIdentifierCase(LONG& value);
HRESULT GetServerName(std::string& value);
HRESULT GetUserName(std::string& value);
friend ConnectionImpl;
};
class Connection : public RefCounted<ConnectionImpl>
{
public:
Connection();
~Connection();
Connection(const Connection&);
Connection& operator=(const Connection&);
HRESULT Init(ConnectionPool& pool, bool multiple_connections);
HRESULT SetTransactionAttrs(bool auto_commit, ULONG isolation);
HRESULT EndTransaction(bool commit);
HRESULT EnlistInDTC(ITransaction* pTransaction);
SQLHDBC GetHDBC() const;
};
class Statement : public RefCounted<StatementImpl>
{
public:
Statement();
~Statement();
Statement(const Statement&);
Statement& operator=(const Statement&);
HRESULT Init(const Connection& conn);
HRESULT Init(const Connection& conn, const RowsetPropertySet* props);
HRESULT SetQueryTimeout(int tosecs);
HRESULT Execute(const ostring& query);
HRESULT Prepare(const ostring& query);
HRESULT Execute();
HRESULT CheckDataAtExec(SQLPOINTER* pNextData);
HRESULT CloseCursor();
HRESULT MoreResults();
HRESULT Cancel();
HRESULT Reexecute();
HRESULT GetRowsAffected(DBROWCOUNT* rows_affected);
bool IsPrepared() const;
bool IsExecuted() const;
bool CreatesRowset() const;
bool HasBookmark() const;
DBORDINAL GetColumnCount() const;
SQLUINTEGER GetCursorType() const;
SQLUINTEGER GetConcurrency() const;
bool GetUniqueRows() const;
SQLHSTMT GetHSTMT() const;
void DoDiagnostics() const;
bool GetSqlState(char state[6]) const;
};
#endif
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