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+/* Copyright (c) 2011, 2022, 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_USERS_H
+#define TABLE_USERS_H
+
+#include "pfs_column_types.h"
+#include "cursor_by_user.h"
+#include "table_helper.h"
+
+struct PFS_user;
+
+/**
+ \addtogroup Performance_schema_tables
+ @{
+*/
+
+/**
+ A row of PERFORMANCE_SCHEMA.USERS.
+*/
+struct row_users
+{
+ /** Column USER. */
+ PFS_user_row m_user;
+ /** Columns CURRENT_CONNECTIONS, TOTAL_CONNECTIONS. */
+ PFS_connection_stat_row m_connection_stat;
+};
+
+/** Table PERFORMANCE_SCHEMA.USERS. */
+class table_users : public cursor_by_user
+{
+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 delete_all_rows();
+
+protected:
+ virtual int read_row_values(TABLE *table,
+ unsigned char *buf,
+ Field **fields,
+ bool read_all);
+
+
+protected:
+ table_users();
+
+public:
+ ~table_users()
+ {}
+
+private:
+ virtual void make_row(PFS_user *pfs);
+
+ /** Table share lock. */
+ static THR_LOCK m_table_lock;
+
+ /** Current row. */
+ row_users m_row;
+ /** True if the current row exists. */
+ bool m_row_exists;
+};
+
+/** @} */
+#endif