From 06eaf7232e9a920468c0f8d74dcf2fe8b555501c Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 14:24:36 +0200 Subject: Adding upstream version 1:10.11.6. Signed-off-by: Daniel Baumann --- storage/perfschema/table_tiws_by_table.h | 99 ++++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 storage/perfschema/table_tiws_by_table.h (limited to 'storage/perfschema/table_tiws_by_table.h') diff --git a/storage/perfschema/table_tiws_by_table.h b/storage/perfschema/table_tiws_by_table.h new file mode 100644 index 00000000..2970ee64 --- /dev/null +++ b/storage/perfschema/table_tiws_by_table.h @@ -0,0 +1,99 @@ +/* Copyright (c) 2010, 2023, 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +#ifndef TABLE_IO_WAITS_SUMMARY_BY_TABLE_H +#define TABLE_IO_WAITS_SUMMARY_BY_TABLE_H + +/** + @file storage/perfschema/table_tiws_by_table.h + Table TABLE_IO_WAITS_SUMMARY_BY_TABLE (declarations). +*/ + +#include "pfs_column_types.h" +#include "pfs_engine_table.h" +#include "pfs_instr_class.h" +#include "pfs_instr.h" +#include "table_helper.h" + +/** + @addtogroup Performance_schema_tables + @{ +*/ + +/** + A row of table + PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMARY_BY_TABLE. +*/ +struct row_tiws_by_table +{ + /** Column OBJECT_TYPE, SCHEMA_NAME, OBJECT_NAME. */ + PFS_object_row m_object; + /** Columns COUNT/SUM/MIN/AVG/MAX (+_READ, +WRITE). */ + PFS_table_io_stat_row m_stat; +}; + +/** Table PERFORMANCE_SCHEMA.TABLE_IO_WAITS_SUMMARY_BY_TABLE. */ +class table_tiws_by_table : public PFS_engine_table +{ +public: + static PFS_engine_table_share_state m_share_state; + /** Table share */ + static PFS_engine_table_share m_share; + static PFS_engine_table* create(); + static int delete_all_rows(); + static ha_rows get_row_count(); + + virtual int rnd_init(bool scan); + virtual int rnd_next(); + virtual int rnd_pos(const void *pos); + virtual void reset_position(void); + +protected: + virtual int read_row_values(TABLE *table, + unsigned char *buf, + Field **fields, + bool read_all); + + table_tiws_by_table(); + +public: + ~table_tiws_by_table() = default; + +protected: + void make_row(PFS_table_share *table_share); + +private: + /** Table share lock. */ + static THR_LOCK m_table_lock; + + /** Current row. */ + row_tiws_by_table m_row; + /** True is the current row exists. */ + bool m_row_exists; + /** Current position. */ + PFS_simple_index m_pos; + /** Next position. */ + PFS_simple_index m_next_pos; +}; + +/** @} */ +#endif -- cgit v1.2.3