1 /* Copyright (c) 2010, 2021, Oracle and/or its affiliates. 2 3 This program is free software; you can redistribute it and/or modify 4 it under the terms of the GNU General Public License, version 2.0, 5 as published by the Free Software Foundation. 6 7 This program is also distributed with certain software (including 8 but not limited to OpenSSL) that is licensed under separate terms, 9 as designated in a particular file or component or in included license 10 documentation. The authors of MySQL hereby grant you an additional 11 permission to link the program and your derivative works with the 12 separately licensed software that they have included with MySQL. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License, version 2.0, for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; if not, write to the Free Software 21 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ 22 23 #ifndef TABLE_ESMS_BY_USER_BY_EVENT_NAME_H 24 #define TABLE_ESMS_BY_USER_BY_EVENT_NAME_H 25 26 /** 27 @file storage/perfschema/table_esms_by_user_by_event_name.h 28 Table EVENTS_STATEMENTS_SUMMARY_BY_USER_BY_EVENT_NAME (declarations). 29 */ 30 31 #include "pfs_column_types.h" 32 #include "pfs_engine_table.h" 33 #include "pfs_instr_class.h" 34 #include "pfs_instr.h" 35 #include "pfs_user.h" 36 #include "table_helper.h" 37 38 /** 39 @addtogroup Performance_schema_tables 40 @{ 41 */ 42 43 /** 44 A row of table 45 PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_USER_BY_EVENT_NAME. 46 */ 47 struct row_esms_by_user_by_event_name 48 { 49 /** Column USER. */ 50 PFS_user_row m_user; 51 /** Column EVENT_NAME. */ 52 PFS_event_name_row m_event_name; 53 /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER_WAIT. */ 54 PFS_statement_stat_row m_stat; 55 }; 56 57 /** 58 Position of a cursor on 59 PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_USER_BY_EVENT_NAME. 60 Index 1 on user (0 based) 61 Index 2 on statement class (1 based) 62 */ 63 struct pos_esms_by_user_by_event_name 64 : public PFS_double_index 65 { pos_esms_by_user_by_event_namepos_esms_by_user_by_event_name66 pos_esms_by_user_by_event_name() 67 : PFS_double_index(0, 1) 68 {} 69 resetpos_esms_by_user_by_event_name70 inline void reset(void) 71 { 72 m_index_1= 0; 73 m_index_2= 1; 74 } 75 next_userpos_esms_by_user_by_event_name76 inline void next_user(void) 77 { 78 m_index_1++; 79 m_index_2= 1; 80 } 81 }; 82 83 /** Table PERFORMANCE_SCHEMA.EVENTS_STATEMENTS_SUMMARY_BY_USER_BY_EVENT_NAME. */ 84 class table_esms_by_user_by_event_name : public PFS_engine_table 85 { 86 public: 87 /** Table share */ 88 static PFS_engine_table_share m_share; 89 static PFS_engine_table* create(); 90 static int delete_all_rows(); 91 static ha_rows get_row_count(); 92 93 virtual int rnd_init(bool scan); 94 virtual int rnd_next(); 95 virtual int rnd_pos(const void *pos); 96 virtual void reset_position(void); 97 98 protected: 99 virtual int read_row_values(TABLE *table, 100 unsigned char *buf, 101 Field **fields, 102 bool read_all); 103 104 table_esms_by_user_by_event_name(); 105 106 public: ~table_esms_by_user_by_event_name()107 ~table_esms_by_user_by_event_name() 108 {} 109 110 protected: 111 void make_row(PFS_user *user, PFS_statement_class *klass); 112 113 private: 114 /** Table share lock. */ 115 static THR_LOCK m_table_lock; 116 /** Fields definition. */ 117 static TABLE_FIELD_DEF m_field_def; 118 119 /** Current row. */ 120 row_esms_by_user_by_event_name m_row; 121 /** True is the current row exists. */ 122 bool m_row_exists; 123 /** Current position. */ 124 pos_esms_by_user_by_event_name m_pos; 125 /** Next position. */ 126 pos_esms_by_user_by_event_name m_next_pos; 127 }; 128 129 /** @} */ 130 #endif 131