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Diffstat (limited to 'storage/perfschema/table_users.h')
-rw-r--r-- | storage/perfschema/table_users.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/storage/perfschema/table_users.h b/storage/perfschema/table_users.h new file mode 100644 index 00000000000..94ea44832d1 --- /dev/null +++ b/storage/perfschema/table_users.h @@ -0,0 +1,80 @@ +/* Copyright (c) 2011, 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_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: + /** 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; + /** Fields definition. */ + static TABLE_FIELD_DEF m_field_def; + + /** Current row. */ + row_users m_row; + /** True if the current row exists. */ + bool m_row_exists; +}; + +/** @} */ +#endif |