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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:04:16 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:04:16 +0000 |
commit | a68fb2d8219f6bccc573009600e9f23e89226a5e (patch) | |
tree | d742d35d14ae816e99293d2b01face30e9f3a46b /storage/perfschema/table_setup_instruments.h | |
parent | Initial commit. (diff) | |
download | mariadb-10.6-upstream.tar.xz mariadb-10.6-upstream.zip |
Adding upstream version 1:10.6.11.upstream/1%10.6.11upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/perfschema/table_setup_instruments.h')
-rw-r--r-- | storage/perfschema/table_setup_instruments.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/storage/perfschema/table_setup_instruments.h b/storage/perfschema/table_setup_instruments.h new file mode 100644 index 00000000..4b6ad9b4 --- /dev/null +++ b/storage/perfschema/table_setup_instruments.h @@ -0,0 +1,136 @@ +/* Copyright (c) 2008, 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_SETUP_INSTRUMENTS_H +#define TABLE_SETUP_INSTRUMENTS_H + +/** + @file storage/perfschema/table_setup_instruments.h + Table SETUP_INSTRUMENTS (declarations). +*/ + +#include "pfs_instr_class.h" +#include "pfs_engine_table.h" + +/** + @addtogroup Performance_schema_tables + @{ +*/ + +/** A row of PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */ +struct row_setup_instruments +{ + /** Columns NAME, ENABLED, TIMED. */ + PFS_instr_class *m_instr_class; + /** True if column ENABLED can be updated. */ + bool m_update_enabled; + /** True if column TIMED can be updated. */ + bool m_update_timed; +}; + +/** Position of a cursor on PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */ +struct pos_setup_instruments : public PFS_double_index +{ + static const uint FIRST_VIEW= 1; + static const uint VIEW_MUTEX= 1; + static const uint VIEW_RWLOCK= 2; + static const uint VIEW_COND= 3; + static const uint VIEW_THREAD= 4; + static const uint VIEW_FILE= 5; + static const uint VIEW_TABLE= 6; + static const uint VIEW_STAGE= 7; + static const uint VIEW_STATEMENT= 8; + static const uint VIEW_TRANSACTION=9; + static const uint VIEW_SOCKET= 10; + static const uint VIEW_IDLE= 11; + static const uint VIEW_BUILTIN_MEMORY= 12; + static const uint VIEW_MEMORY= 13; + static const uint VIEW_METADATA= 14; + static const uint LAST_VIEW= 14; + + pos_setup_instruments() + : PFS_double_index(FIRST_VIEW, 1) + {} + + inline void reset(void) + { + m_index_1= FIRST_VIEW; + m_index_2= 1; + } + + inline bool has_more_view(void) + { return (m_index_1 <= LAST_VIEW); } + + inline void next_view(void) + { + m_index_1++; + m_index_2= 1; + } +}; + +/** Table PERFORMANCE_SCHEMA.SETUP_INSTRUMENTS. */ +class table_setup_instruments : 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 ha_rows get_row_count(); + + 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); + + virtual int update_row_values(TABLE *table, + const unsigned char *old_buf, + const unsigned char *new_buf, + Field **fields); + + table_setup_instruments(); + +public: + ~table_setup_instruments() + {} + +private: + void make_row(PFS_instr_class *klass, bool update_enabled, bool update_timed); + + /** Table share lock. */ + static THR_LOCK m_table_lock; + + /** Current row. */ + row_setup_instruments m_row; + /** Current position. */ + pos_setup_instruments m_pos; + /** Next position. */ + pos_setup_instruments m_next_pos; +}; + +/** @} */ +#endif |