tables.h

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/* Copyright (c) 2017, 2025, Oracle and/or its affiliates.
 
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.
 
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.
 
   You should have received a copy of the GNU General Public License
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   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
 
#ifndef DD_SYSTEM_VIEWS__TABLES_INCLUDED
#define DD_SYSTEM_VIEWS__TABLES_INCLUDED
 
#include "sql/dd/impl/system_views/system_view_definition_impl.h"
#include "sql/dd/impl/system_views/system_view_impl.h"
#include "sql/dd/string_type.h"
 
namespace dd {
namespace system_views {
 
/*
  The class representing INFORMATION_SCHEMA.TABLES system view definition.
*/
class Tables_base
    : public System_view_impl<System_view_select_definition_impl> {
 public:
  enum enum_fields {
    FIELD_TABLE_CATALOG,
    FIELD_TABLE_SCHEMA,
    FIELD_TABLE_NAME,
    FIELD_TABLE_TYPE,
    FIELD_ENGINE,
    FIELD_VERSION,
    FIELD_ROW_FORMAT,
    FIELD_TABLE_ROWS,
    FIELD_AVG_ROW_LENGTH,
    FIELD_DATA_LENGTH,
    FIELD_MAX_DATA_LENGTH,
    FIELD_INDEX_LENGTH,
    FIELD_DATA_FREE,
    FIELD_AUTO_INCREMENT,
    FIELD_CREATE_TIME,
    FIELD_UPDATE_TIME,
    FIELD_CHECK_TIME,
    FIELD_TABLE_COLLATION,
    FIELD_CHECKSUM,
    FIELD_CREATE_OPTIONS,
    FIELD_TABLE_COMMENT
  };
 
  Tables_base();
 
  const String_type &name() const override = 0;
};
 
/*
 The class representing INFORMATION_SCHEMA.TABLES system view definition.
*/
class Tables : public Tables_base {
 public:
  Tables();
 
  static const Tables_base &instance();
 
  static const String_type &view_name() {
    static String_type s_view_name("TABLES");
    return s_view_name;
  }
 
  const String_type &name() const override { return Tables::view_name(); }
};
 
}  // namespace system_views
}  // namespace dd
 
#endif  // DD_SYSTEM_VIEWS__TABLES_INCLUDED