1 /* Copyright (c) 2010, 2015, Oracle and/or its affiliates. All rights reserved. 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 St, Fifth Floor, Boston, MA 02110-1335 USA */ 22 23 #ifndef PFS_EVENTS_STATEMENTS_H 24 #define PFS_EVENTS_STATEMENTS_H 25 26 /** 27 @file storage/perfschema/pfs_events_statements.h 28 Events statements data structures (declarations). 29 */ 30 31 #include "pfs_column_types.h" 32 #include "pfs_events.h" 33 #include "pfs_digest.h" 34 35 struct PFS_thread; 36 struct PFS_account; 37 struct PFS_user; 38 struct PFS_host; 39 40 /** A statement record. */ 41 struct PFS_events_statements : public PFS_events 42 { 43 /** Database name. */ 44 char m_current_schema_name[NAME_LEN]; 45 /** Length of @c m_current_schema_name. */ 46 uint m_current_schema_name_length; 47 /** SQL_TEXT */ 48 char m_sqltext[COL_INFO_SIZE]; 49 /** Length of @ m_info. */ 50 uint m_sqltext_length; 51 52 /** Locked time. */ 53 ulonglong m_lock_time; 54 55 /** Diagnostics area, message text. */ 56 char m_message_text[MYSQL_ERRMSG_SIZE+1]; 57 /** Diagnostics area, error number. */ 58 uint m_sql_errno; 59 /** Diagnostics area, SQLSTATE. */ 60 char m_sqlstate[SQLSTATE_LENGTH]; 61 /** Diagnostics area, error count. */ 62 uint m_error_count; 63 /** Diagnostics area, warning count. */ 64 uint m_warning_count; 65 /** Diagnostics area, rows affected. */ 66 ulonglong m_rows_affected; 67 68 /** Optimizer metric, number of rows sent. */ 69 ulonglong m_rows_sent; 70 /** Optimizer metric, number of rows examined. */ 71 ulonglong m_rows_examined; 72 /** Optimizer metric, number of temporary tables created on disk. */ 73 ulonglong m_created_tmp_disk_tables; 74 /** Optimizer metric, number of temporary tables created. */ 75 ulonglong m_created_tmp_tables; 76 /** Optimizer metric, number of full join. */ 77 ulonglong m_select_full_join; 78 /** Optimizer metric, number of full range join. */ 79 ulonglong m_select_full_range_join; 80 /** Optimizer metric, number of select range. */ 81 ulonglong m_select_range; 82 /** Optimizer metric, number of select range checks. */ 83 ulonglong m_select_range_check; 84 /** Optimizer metric, number of select scans. */ 85 ulonglong m_select_scan; 86 /** Optimizer metric, number of sort merge passes. */ 87 ulonglong m_sort_merge_passes; 88 /** Optimizer metric, number of sort ranges. */ 89 ulonglong m_sort_range; 90 /** Optimizer metric, number of sort rows. */ 91 ulonglong m_sort_rows; 92 /** Optimizer metric, number of sort scans. */ 93 ulonglong m_sort_scan; 94 /** Optimizer metric, number of 'no index used'. */ 95 ulonglong m_no_index_used; 96 /** Optimizer metric, number of 'no good index used'. */ 97 ulonglong m_no_good_index_used; 98 99 /** True if sqltext was truncated. */ 100 bool m_sqltext_truncated; 101 /** Statement character set number. */ 102 uint m_sqltext_cs_number; 103 104 /** 105 Statement digest. 106 This underlying token array storage pointer is immutable, 107 and always point to pre allocated memory. 108 */ 109 sql_digest_storage m_digest_storage; 110 }; 111 112 void insert_events_statements_history(PFS_thread *thread, PFS_events_statements *statement); 113 void insert_events_statements_history_long(PFS_events_statements *statement); 114 115 extern bool flag_events_statements_current; 116 extern bool flag_events_statements_history; 117 extern bool flag_events_statements_history_long; 118 119 extern bool events_statements_history_long_full; 120 extern volatile uint32 events_statements_history_long_index; 121 extern PFS_events_statements *events_statements_history_long_array; 122 extern size_t events_statements_history_long_size; 123 124 int init_events_statements_history_long(size_t events_statements_history_long_sizing); 125 void cleanup_events_statements_history_long(); 126 127 void reset_events_statements_current(); 128 void reset_events_statements_history(); 129 void reset_events_statements_history_long(); 130 void reset_events_statements_by_thread(); 131 void reset_events_statements_by_account(); 132 void reset_events_statements_by_user(); 133 void reset_events_statements_by_host(); 134 void reset_events_statements_global(); 135 void aggregate_account_statements(PFS_account *account); 136 void aggregate_user_statements(PFS_user *user); 137 void aggregate_host_statements(PFS_host *host); 138 139 #endif 140 141