parameter_metadata.h 2.4 KB

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  1. /*
  2. * Copyright (c) 2008, 2018, Oracle and/or its affiliates. All rights reserved.
  3. *
  4. * This program is free software; you can redistribute it and/or modify
  5. * it under the terms of the GNU General Public License, version 2.0, as
  6. * published by the Free Software Foundation.
  7. *
  8. * This program is also distributed with certain software (including
  9. * but not limited to OpenSSL) that is licensed under separate terms,
  10. * as designated in a particular file or component or in included license
  11. * documentation. The authors of MySQL hereby grant you an
  12. * additional permission to link the program and your derivative works
  13. * with the separately licensed software that they have included with
  14. * MySQL.
  15. *
  16. * Without limiting anything contained in the foregoing, this file,
  17. * which is part of MySQL Connector/C++, is also subject to the
  18. * Universal FOSS Exception, version 1.0, a copy of which can be found at
  19. * http://oss.oracle.com/licenses/universal-foss-exception.
  20. *
  21. * This program is distributed in the hope that it will be useful, but
  22. * WITHOUT ANY WARRANTY; without even the implied warranty of
  23. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  24. * See the GNU General Public License, version 2.0, for more details.
  25. *
  26. * You should have received a copy of the GNU General Public License
  27. * along with this program; if not, write to the Free Software Foundation, Inc.,
  28. * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  29. */
  30. #ifndef _SQL_PARAMETER_METADATA_H_
  31. #define _SQL_PARAMETER_METADATA_H_
  32. #include "sqlstring.h"
  33. namespace sql
  34. {
  35. class ParameterMetaData
  36. {
  37. public:
  38. enum
  39. {
  40. parameterModeIn,
  41. parameterModeInOut,
  42. parameterModeOut,
  43. parameterModeUnknown
  44. };
  45. enum
  46. {
  47. parameterNoNulls,
  48. parameterNullable,
  49. parameterNullableUnknown
  50. };
  51. virtual sql::SQLString getParameterClassName(unsigned int param) = 0;
  52. virtual int getParameterCount() = 0;
  53. virtual int getParameterMode(unsigned int param) = 0;
  54. virtual int getParameterType(unsigned int param) = 0;
  55. virtual sql::SQLString getParameterTypeName(unsigned int param) = 0;
  56. virtual int getPrecision(unsigned int param) = 0;
  57. virtual int getScale(unsigned int param) = 0;
  58. virtual int isNullable(unsigned int param) = 0;
  59. virtual bool isSigned(unsigned int param) = 0;
  60. protected:
  61. virtual ~ParameterMetaData() {}
  62. };
  63. } /* namespace sql */
  64. #endif /* _SQL_PARAMETER_METADATA_H_ */