/* Copyright (c) 2008, 2023, 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 .
This program is also distributed with certain software ( including
but not limited to OpenSSL ) that is licensed under separate terms ,
as designated in a particular file or component or in included license
documentation . The authors of MySQL hereby grant you an additional
permission to link the program and your derivative works with the
separately licensed software that they have included with MySQL .
This program is distributed in the hope that it will be useful ,
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
along with this program ; if not , write to the Free Software Foundation ,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
#ifndef TABLE_SETUP_ACTORS_H
#define TABLE_SETUP_ACTORS_H
/**
@ file storage / perfschema / table_setup_actors . h
Table SETUP_ACTORS ( declarations ) .
*/
#include "pfs_engine_table.h"
struct PFS_setup_actor;
/**
@ addtogroup Performance_schema_tables
@ {
*/
/** A row of PERFORMANCE_SCHEMA.SETUP_ACTORS. */
struct row_setup_actors
{
/** Column HOST. */
char m_hostname[HOSTNAME_LENGTH];
/** Length in bytes of @c m_hostname. */
uint m_hostname_length;
/** Column USER. */
char m_username[USERNAME_LENGTH];
/** Length in bytes of @c m_username. */
uint m_username_length;
/** Column ROLE. */
char m_rolename[16 ];
/** Length in bytes of @c m_rolename. */
uint m_rolename_length;
/** Column ENABLED. */
bool *m_enabled_ptr;
/** Column HISTORY. */
bool *m_history_ptr;
};
/** Table PERFORMANCE_SCHEMA.SETUP_ACTORS. */
class table_setup_actors : public PFS_engine_table
{
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 write_row(TABLE *table, const unsigned char *buf, Field **fields);
static int delete_all_rows();
static ha_rows get_row_count();
int rnd_next() override;
int rnd_pos(const void *pos) override;
void reset_position(void ) override;
protected :
int read_row_values(TABLE *table,
unsigned char *buf,
Field **fields,
bool read_all) override;
int update_row_values(TABLE *table,
const unsigned char *old_buf,
const unsigned char *new_buf,
Field **fields) override;
int delete_row_values(TABLE *table,
const unsigned char *buf,
Field **fields) override;
table_setup_actors();
public :
~table_setup_actors() = default ;
private :
void make_row(PFS_setup_actor *actor);
/** Table share lock. */
static THR_LOCK m_table_lock;
/** Current row. */
row_setup_actors m_row;
/** True if the current row exists. */
bool m_row_exists;
/** Current position. */
PFS_simple_index m_pos;
/** Next position. */
PFS_simple_index m_next_pos;
};
/** @} */
#endif
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