124 lines
3.5 KiB
C++
124 lines
3.5 KiB
C++
/* Copyright (c) 2017, 2019, 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, 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
|
|
|
|
#ifndef TABLE_PLUGIN_TABLE_H
|
|
#define TABLE_PLUGIN_TABLE_H
|
|
|
|
/**
|
|
@file storage/perfschema/table_plugin_table.h
|
|
plugins/components tables (declarations).
|
|
*/
|
|
|
|
#include <mysql/components/services/pfs_plugin_table_service.h>
|
|
|
|
#include "storage/perfschema/pfs_engine_table.h"
|
|
|
|
/**
|
|
@addtogroup Performance_schema_tables
|
|
@{
|
|
*/
|
|
|
|
class PFS_plugin_table_index;
|
|
|
|
class table_plugin_table : public PFS_engine_table {
|
|
public:
|
|
/** Table share */
|
|
PFS_engine_table_share *m_share;
|
|
PFS_engine_table_proxy *m_st_table;
|
|
PSI_table_handle *plugin_table_handle;
|
|
|
|
static PFS_engine_table *create(PFS_engine_table_share *share);
|
|
int delete_all_rows();
|
|
/*
|
|
PFS_engine_table* open(void);
|
|
ha_rows get_row_count();
|
|
*/
|
|
|
|
virtual void reset_position(void);
|
|
|
|
virtual int rnd_init(bool scan);
|
|
virtual int rnd_next();
|
|
virtual int rnd_pos(const void *pos);
|
|
|
|
virtual int index_init(uint idx, bool sorted);
|
|
virtual int index_next();
|
|
|
|
int write_row(PSI_field *field, uint index, bool finished);
|
|
|
|
table_plugin_table(PFS_engine_table_share *share);
|
|
|
|
void deinitialize_table_share();
|
|
|
|
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 *,
|
|
unsigned char *, Field **fields);
|
|
|
|
virtual int delete_row_values(TABLE *table, const unsigned char *buf,
|
|
Field **fields);
|
|
|
|
public:
|
|
~table_plugin_table() {
|
|
delete m_index;
|
|
m_st_table->close_table(this->plugin_table_handle);
|
|
}
|
|
|
|
private:
|
|
/** Table share lock. */
|
|
THR_LOCK *m_table_lock;
|
|
|
|
/** True is the current row exists. */
|
|
bool m_row_exists;
|
|
|
|
/** Current position. */
|
|
PSI_pos *m_pos;
|
|
/** Next position. */
|
|
PSI_pos *m_next_pos;
|
|
|
|
PFS_plugin_table_index *m_opened_index;
|
|
};
|
|
|
|
class PFS_plugin_table_index : public PFS_engine_index_abstract {
|
|
public:
|
|
PFS_plugin_table_index(PFS_engine_table_proxy *st_table)
|
|
: m_st_table(st_table), m_idx(0), m_plugin_index(NULL) {}
|
|
|
|
~PFS_plugin_table_index() {}
|
|
|
|
int init(PSI_table_handle *table, uint idx, bool sorted);
|
|
|
|
int index_next(PSI_table_handle *table);
|
|
|
|
virtual void read_key(const uchar *key, uint key_len,
|
|
enum ha_rkey_function find_flag);
|
|
|
|
private:
|
|
PFS_engine_table_proxy *m_st_table;
|
|
uint m_idx;
|
|
PSI_index_handle *m_plugin_index;
|
|
};
|
|
|
|
/** @} */
|
|
#endif
|