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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:07:14 +0000 |
commit | a175314c3e5827eb193872241446f2f8f5c9d33c (patch) | |
tree | cd3d60ca99ae00829c52a6ca79150a5b6e62528b /storage/perfschema/table_ets_by_thread_by_event_name.h | |
parent | Initial commit. (diff) | |
download | mariadb-10.5-upstream.tar.xz mariadb-10.5-upstream.zip |
Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/perfschema/table_ets_by_thread_by_event_name.h')
-rw-r--r-- | storage/perfschema/table_ets_by_thread_by_event_name.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/storage/perfschema/table_ets_by_thread_by_event_name.h b/storage/perfschema/table_ets_by_thread_by_event_name.h new file mode 100644 index 00000000..ad63efa3 --- /dev/null +++ b/storage/perfschema/table_ets_by_thread_by_event_name.h @@ -0,0 +1,138 @@ +/* Copyright (c) 2010, 2015, 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, 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 St, Fifth Floor, Boston, MA 02110-1301 USA */ + +#ifndef TABLE_ETS_BY_THREAD_BY_EVENT_NAME_H +#define TABLE_ETS_BY_THREAD_BY_EVENT_NAME_H + +/** + @file storage/perfschema/table_ets_by_thread_by_event_name.h + Table EVENTS_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME (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.EVENTS_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME. +*/ +struct row_ets_by_thread_by_event_name +{ + /** Column THREAD_ID. */ + ulonglong m_thread_internal_id; + /** Column EVENT_NAME. */ + PFS_event_name_row m_event_name; + /** + Columns COUNT_STAR, SUM/MIN/AVG/MAX_TIMER_WAIT, + COUNT_READ_WRITE, SUM/MIN/AVG/MAX_TIMER_READ_WRITE, + COUNT_READ_ONLY, SUM/MIN/AVG/MAX_TIMER_READ_ONLY + */ + PFS_transaction_stat_row m_stat; +}; + +/** + Position of a cursor on + PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME. + Index 1 on thread (0 based). + Index 2 on transaction class (1 based). +*/ +struct pos_ets_by_thread_by_event_name +: public PFS_double_index, public PFS_instrument_view_constants +{ + pos_ets_by_thread_by_event_name() + : PFS_double_index(0, 1) + {} + + inline void reset(void) + { + m_index_1= 0; + m_index_2= 1; + } + + inline void next_thread(void) + { + m_index_1++; + m_index_2= 1; + } + + inline void next_transaction(void) + { + m_index_2++; + } +}; + +/** Table PERFORMANCE_SCHEMA.EVENTS_TRANSACTIONS_SUMMARY_BY_THREAD_BY_EVENT_NAME. */ +class table_ets_by_thread_by_event_name : public PFS_engine_table +{ +public: + /** 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_ets_by_thread_by_event_name(); + +public: + ~table_ets_by_thread_by_event_name() + {} + +protected: + void make_row(PFS_thread *thread, PFS_transaction_class *klass); + +private: + /** Table share lock. */ + static THR_LOCK m_table_lock; + /** Fields definition. */ + static TABLE_FIELD_DEF m_field_def; + + /** Current row. */ + row_ets_by_thread_by_event_name m_row; + /** True is the current row exists. */ + bool m_row_exists; + /** Current position. */ + pos_ets_by_thread_by_event_name m_pos; + /** Next position. */ + pos_ets_by_thread_by_event_name m_next_pos; +}; + +/** @} */ +#endif |