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/* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
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 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, Suite 500, 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;
};
/** Table PERFORMANCE_SCHEMA.SETUP_ACTORS. */
class table_setup_actors : public PFS_engine_table
{
public:
/** Table share. */
static PFS_engine_table_share m_share;
/** Table builder. */
static PFS_engine_table* create();
static int write_row(TABLE *table, unsigned char *buf, Field **fields);
static int delete_all_rows();
static ha_rows get_row_count();
virtual int rnd_next();
virtual int rnd_pos(const void *pos);
virtual void reset_position(void);
protected:
virtual int read_row_values(TABLE *table,
unsigned char *buf,
Field **fields,
bool read_all);
virtual int update_row_values(TABLE *table,
const unsigned char *old_buf,
const unsigned char *new_buf,
Field **fields);
virtual int delete_row_values(TABLE *table,
const unsigned char *buf,
Field **fields);
table_setup_actors();
public:
~table_setup_actors()
{}
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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