/*
 * This file is part of PowerDNS or dnsdist.
 * Copyright -- PowerDNS.COM B.V. and its contributors
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * In addition, for the avoidance of any doubt, permission is granted to
 * link this program with OpenSSL and to (re)distribute the binaries
 * produced as the result of such linking.
 *
 * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
#pragma once
#include "pdns/namespaces.hh"
#include "pdns/backends/gsql/ssql.hh"

#include <libpq-fe.h>
class SPgSQL : public SSql
{
public:
  SPgSQL(const string& database, const string& host = "", const string& port = "",
         const string& user = "", const string& password = "",
         const string& extra_connection_parameters = "", const bool use_prepared = true);

  ~SPgSQL() override;

  SSqlException sPerrorException(const string& reason) override;
  void setLog(bool state) override;
  unique_ptr<SSqlStatement> prepare(const string& query, int nparams) override;
  void execute(const string& query) override;

  void startTransaction() override;
  void rollback() override;
  void commit() override;

  bool isConnectionUsable() override;
  void reconnect() override;

  PGconn* db() { return d_db; }
  bool in_trx() const { return d_in_trx; }
  bool usePrepared() { return d_use_prepared; }

private:
  PGconn* d_db;
  string d_connectstr;
  string d_connectlogstr;
  static bool s_dolog;
  bool d_in_trx;
  bool d_use_prepared;
  unsigned int d_nstatements;
};
