include/SqlQuery.h

   1 /* LICENSE NOTICE
   2         This file is part of Jerboa.
   3
   4         Jerboa is free software: you can redistribute it and/or modify
   5         it under the terms of the GNU General Public License as published by
   6         the Free Software Foundation, either version 2 of the License, or
   7         (at your option), version 3 of the license.
   8
   9         Jerboa is distributed in the hope that it will be useful,
  10         but WITHOUT ANY WARRANTY; without even the implied warranty of
  11         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12         GNU General Public License for more details.
  13
  14         You should have received a copy of the GNU General Public License
  15         along with Jerboa.  If not, see <http://www.gnu.org/licenses/>.
  16 */
  17 #ifndef _JERBOA_SQLQUERY_H
  18 #define _JERBOA_SQLQUERY_H
  19
  20 #include <QSqlDatabase>
  21 #include <QSqlQuery>
  22
  23 namespace Jerboa
  24 {
  25         /** A subclass of QSqlQuery with added debugging features.
  26          * When one of the \ref exec members is called, if an error
  27          * occurs, information is printed to the debug stream.
  28          *
  29          * On non-Windows platforms, a backtrace is also printed.
  30          *
  31          * This class may later gain some automatic error-recovery
  32          * features.
  33          */
  34         class SqlQuery : public QSqlQuery
  35         {
  36                 public:
  37                         /// Contruct an SqlQuery on the default database.
  38                         SqlQuery();
  39                         /// Construct an SQL query on a specified database.
  40                         SqlQuery(QSqlDatabase db);
  41                         /// Execute the current query.
  42                         bool exec();
  43                         /// Execute the specified query.
  44                         bool exec(const QString& query);
  45                 private:
  46                         void printError();
  47         };
  48 }
  49
  50 #endif