diff options
Diffstat (limited to 'storage/perfschema/table_file_summary_by_event_name.h')
-rw-r--r-- | storage/perfschema/table_file_summary_by_event_name.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/storage/perfschema/table_file_summary_by_event_name.h b/storage/perfschema/table_file_summary_by_event_name.h new file mode 100644 index 00000000..ae2124fe --- /dev/null +++ b/storage/perfschema/table_file_summary_by_event_name.h @@ -0,0 +1,97 @@ +/* Copyright (c) 2008, 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, + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */ + +#ifndef TABLE_FILE_SUMMARY_H +#define TABLE_FILE_SUMMARY_H + +/** + @file storage/perfschema/table_file_summary_by_event_name.h + Table FILE_SUMMARY_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 PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_EVENT_NAME. */ +struct row_file_summary_by_event_name +{ + /** Column EVENT_NAME. */ + PFS_event_name_row m_event_name; + + /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES + for READ, WRITE and MISC operation types. + */ + PFS_file_io_stat_row m_io_stat; +}; + +/** Table PERFORMANCE_SCHEMA.FILE_SUMMARY_BY_EVENT_NAME. */ +class table_file_summary_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_next(); + virtual int rnd_pos(const void *pos); + virtual void reset_position(void); + +private: + virtual int read_row_values(TABLE *table, + unsigned char *buf, + Field **fields, + bool read_all); + + table_file_summary_by_event_name(); + +public: + ~table_file_summary_by_event_name() + {} + +private: + void make_row(PFS_file_class *klass); + + /** Table share lock. */ + static THR_LOCK m_table_lock; + + /** Current row. */ + row_file_summary_by_event_name m_row; + /** True if the current row exists. */ + bool m_row_exists; + /** Current position. */ + PFS_simple_index m_pos; + /** Next position. */ + PFS_simple_index m_next_pos; +}; + +/** @} */ +#endif |