mariadb/storage/perfschema/table_accounts.h

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  it under the terms of the GNU General Public License, version 2.0,
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#ifndef TABLE_ACCOUNTS_H
#define TABLE_ACCOUNTS_H

#include "pfs_column_types.h"
#include "cursor_by_account.h"
#include "table_helper.h"

struct PFS_account;

/**
  \addtogroup Performance_schema_tables
  @{
*/

/**
  A row of PERFORMANCE_SCHEMA.ACCOUNTS.
*/
struct row_accounts
{
  /** Column USER, HOST. */
  PFS_account_row m_account;
  /** Columns CURRENT_CONNECTIONS, TOTAL_CONNECTIONS. */
  PFS_connection_stat_row m_connection_stat;
};

/** Table PERFORMANCE_SCHEMA.ACCOUNTS. */
class table_accounts : public cursor_by_account
{
public:
  static PFS_engine_table_share_state m_share_state;
  /** Table share */
  static PFS_engine_table_share m_share;
  /** Table builder */
  static PFS_engine_table* create();
  static int delete_all_rows();

protected:
  virtual int read_row_values(TABLE *table,
                              unsigned char *buf,
                              Field **fields,
                              bool read_all);


protected:
  table_accounts();

public:
  ~table_accounts() = default;

private:
  virtual void make_row(PFS_account *pfs);

  /** Table share lock. */
  static THR_LOCK m_table_lock;

  /** Current row. */
  row_accounts m_row;
  /** True if the current row exists. */
  bool m_row_exists;
};

/** @} */
#endif