137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
/* Copyright (c) 2008, 2024, Oracle and/or its affiliates.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is designed to work with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have either included with
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the program or referenced in the documentation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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#ifndef TABLE_SETUP_ACTORS_H
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#define TABLE_SETUP_ACTORS_H
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/**
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@file storage/perfschema/table_setup_actors.h
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Table SETUP_ACTORS (declarations).
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*/
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#include <sys/types.h>
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#include "my_base.h"
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#include "mysql_com.h"
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#include "storage/perfschema/pfs_engine_table.h"
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#include "storage/perfschema/table_helper.h"
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class Field;
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class Plugin_table;
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struct PFS_setup_actor;
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struct TABLE;
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struct THR_LOCK;
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/**
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@addtogroup performance_schema_tables
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@{
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*/
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/** A row of PERFORMANCE_SCHEMA.SETUP_ACTORS. */
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struct row_setup_actors {
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/** Column HOST. */
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PFS_host_name m_host_name;
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/** Column USER. */
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PFS_user_name m_user_name;
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/** Column ROLE. */
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PFS_role_name m_role_name;
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/** Column ENABLED. */
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bool *m_enabled_ptr;
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/** Column HISTORY. */
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bool *m_history_ptr;
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};
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class PFS_index_setup_actors : public PFS_engine_index {
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public:
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PFS_index_setup_actors()
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: PFS_engine_index(&m_key_1, &m_key_2, &m_key_3),
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m_key_1("HOST"),
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m_key_2("USER"),
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m_key_3("ROLE") {}
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~PFS_index_setup_actors() override = default;
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virtual bool match(PFS_setup_actor *pfs);
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private:
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PFS_key_host m_key_1;
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PFS_key_user m_key_2;
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PFS_key_role m_key_3;
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};
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/** Table PERFORMANCE_SCHEMA.SETUP_ACTORS. */
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class table_setup_actors : public PFS_engine_table {
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public:
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/** Table share. */
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static PFS_engine_table_share m_share;
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/** Table builder. */
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static PFS_engine_table *create(PFS_engine_table_share *);
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static int write_row(PFS_engine_table *pfs_table, TABLE *table,
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unsigned char *buf, Field **fields);
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static int delete_all_rows();
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static ha_rows get_row_count();
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void reset_position() override;
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int rnd_next() override;
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int rnd_pos(const void *pos) override;
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int index_init(uint idx, bool sorted) override;
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int index_next() override;
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protected:
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int read_row_values(TABLE *table, unsigned char *buf, Field **fields,
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bool read_all) override;
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int update_row_values(TABLE *table, const unsigned char *old_buf,
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unsigned char *new_buf, Field **fields) override;
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int delete_row_values(TABLE *table, const unsigned char *buf,
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Field **fields) override;
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table_setup_actors();
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public:
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~table_setup_actors() override = default;
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private:
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int make_row(PFS_setup_actor *pfs);
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/** Table share lock. */
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static THR_LOCK m_table_lock;
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/** Table definition. */
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static Plugin_table m_table_def;
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/** Current row. */
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row_setup_actors m_row;
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/** Current position. */
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PFS_simple_index m_pos;
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/** Next position. */
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PFS_simple_index m_next_pos;
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protected:
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PFS_index_setup_actors *m_opened_index;
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};
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/** @} */
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#endif
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