cursor_by_user.h

/* Copyright (c) 2011, 2023, Oracle and/or its affiliates.

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  it under the terms of the GNU General Public License, version 2.0,
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */

#ifndef CURSOR_BY_USER_H
#define CURSOR_BY_USER_H

/**
  @file storage/perfschema/cursor_by_user.h
  Cursor CURSOR_BY_USER (declarations).
*/

#include "pfs_engine_table.h"
#include "pfs_user.h"
#include "table_helper.h"

/**
  @addtogroup Performance_schema_tables
  @{
*/

/** Cursor CURSOR_BY_USER. */
class cursor_by_user : public PFS_engine_table
{
public:
  static ha_rows get_row_count();

  virtual int rnd_next();
  virtual int rnd_pos(const void *pos);
  virtual void reset_position(void);

protected:
  cursor_by_user(const PFS_engine_table_share *share);

public:
  ~cursor_by_user()
  {}

protected:
  virtual void make_row(PFS_user *user)= 0;

private:
  /** Current position. */
  PFS_simple_index m_pos;
  /** Next position. */
  PFS_simple_index m_next_pos;
};

/** @} */
#endif