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85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
/* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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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 also distributed 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 included with MySQL.
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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 Foundation,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
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#ifndef TABLE_USERS_H
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#define TABLE_USERS_H
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#include "pfs_column_types.h"
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#include "cursor_by_user.h"
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#include "table_helper.h"
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struct PFS_user;
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/**
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\addtogroup Performance_schema_tables
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@{
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*/
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/**
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A row of PERFORMANCE_SCHEMA.USERS.
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*/
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struct row_users
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{
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/** Column USER. */
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PFS_user_row m_user;
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/** Columns CURRENT_CONNECTIONS, TOTAL_CONNECTIONS. */
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PFS_connection_stat_row m_connection_stat;
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};
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/** Table PERFORMANCE_SCHEMA.USERS. */
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class table_users : public cursor_by_user
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{
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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();
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static int delete_all_rows();
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protected:
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virtual int read_row_values(TABLE *table,
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unsigned char *buf,
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Field **fields,
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bool read_all);
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protected:
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table_users();
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public:
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~table_users()
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{}
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private:
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virtual void make_row(PFS_user *pfs);
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/** Table share lock. */
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static THR_LOCK m_table_lock;
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/** Current row. */
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row_users m_row;
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/** True if the current row exists. */
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bool m_row_exists;
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};
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/** @} */
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#endif
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