1/* Copyright (c) 2010, 2013, 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 as published by
5 the Free Software Foundation; version 2 of the License.
6
7 This program is distributed in the hope that it will be useful,
8 but WITHOUT ANY WARRANTY; without even the implied warranty of
9 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10 GNU General Public License for more details.
11
12 You should have received a copy of the GNU General Public License
13 along with this program; if not, write to the Free Software
14 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */
15
16/**
17 @file storage/perfschema/table_esms_by_user_by_event_name.cc
18 Table EVENTS_STATEMENTS_SUMMARY_BY_USER_BY_EVENT_NAME (implementation).
19*/
20
21#include "my_global.h"
22#include "my_pthread.h"
23#include "pfs_instr_class.h"
24#include "pfs_column_types.h"
25#include "pfs_column_values.h"
26#include "table_esms_by_user_by_event_name.h"
27#include "pfs_global.h"
28#include "pfs_account.h"
29#include "pfs_visitor.h"
30
31THR_LOCK table_esms_by_user_by_event_name::m_table_lock;
32
33PFS_engine_table_share
34table_esms_by_user_by_event_name::m_share=
35{
36 { C_STRING_WITH_LEN("events_statements_summary_by_user_by_event_name") },
37 &pfs_truncatable_acl,
38 table_esms_by_user_by_event_name::create,
39 NULL, /* write_row */
40 table_esms_by_user_by_event_name::delete_all_rows,
41 NULL, /* get_row_count */
42 1000, /* records */
43 sizeof(pos_esms_by_user_by_event_name),
44 &m_table_lock,
45 { C_STRING_WITH_LEN("CREATE TABLE events_statements_summary_by_user_by_event_name("
46 "USER CHAR(16) collate utf8_bin default null,"
47 "EVENT_NAME VARCHAR(128) not null,"
48 "COUNT_STAR BIGINT unsigned not null,"
49 "SUM_TIMER_WAIT BIGINT unsigned not null,"
50 "MIN_TIMER_WAIT BIGINT unsigned not null,"
51 "AVG_TIMER_WAIT BIGINT unsigned not null,"
52 "MAX_TIMER_WAIT BIGINT unsigned not null,"
53 "SUM_LOCK_TIME BIGINT unsigned not null,"
54 "SUM_ERRORS BIGINT unsigned not null,"
55 "SUM_WARNINGS BIGINT unsigned not null,"
56 "SUM_ROWS_AFFECTED BIGINT unsigned not null,"
57 "SUM_ROWS_SENT BIGINT unsigned not null,"
58 "SUM_ROWS_EXAMINED BIGINT unsigned not null,"
59 "SUM_CREATED_TMP_DISK_TABLES BIGINT unsigned not null,"
60 "SUM_CREATED_TMP_TABLES BIGINT unsigned not null,"
61 "SUM_SELECT_FULL_JOIN BIGINT unsigned not null,"
62 "SUM_SELECT_FULL_RANGE_JOIN BIGINT unsigned not null,"
63 "SUM_SELECT_RANGE BIGINT unsigned not null,"
64 "SUM_SELECT_RANGE_CHECK BIGINT unsigned not null,"
65 "SUM_SELECT_SCAN BIGINT unsigned not null,"
66 "SUM_SORT_MERGE_PASSES BIGINT unsigned not null,"
67 "SUM_SORT_RANGE BIGINT unsigned not null,"
68 "SUM_SORT_ROWS BIGINT unsigned not null,"
69 "SUM_SORT_SCAN BIGINT unsigned not null,"
70 "SUM_NO_INDEX_USED BIGINT unsigned not null,"
71 "SUM_NO_GOOD_INDEX_USED BIGINT unsigned not null)") }
72};
73
74PFS_engine_table*
75table_esms_by_user_by_event_name::create(void)
76{
77 return new table_esms_by_user_by_event_name();
78}
79
80int
81table_esms_by_user_by_event_name::delete_all_rows(void)
82{
83 reset_events_statements_by_thread();
84 reset_events_statements_by_account();
85 reset_events_statements_by_user();
86 return 0;
87}
88
89table_esms_by_user_by_event_name::table_esms_by_user_by_event_name()
90 : PFS_engine_table(&m_share, &m_pos),
91 m_row_exists(false), m_pos(), m_next_pos()
92{}
93
94void table_esms_by_user_by_event_name::reset_position(void)
95{
96 m_pos.reset();
97 m_next_pos.reset();
98}
99
100int table_esms_by_user_by_event_name::rnd_init(bool scan)
101{
102 m_normalizer= time_normalizer::get(statement_timer);
103 return 0;
104}
105
106int table_esms_by_user_by_event_name::rnd_next(void)
107{
108 PFS_user *user;
109 PFS_statement_class *statement_class;
110
111 for (m_pos.set_at(&m_next_pos);
112 m_pos.has_more_user();
113 m_pos.next_user())
114 {
115 user= &user_array[m_pos.m_index_1];
116 if (user->m_lock.is_populated())
117 {
118 statement_class= find_statement_class(m_pos.m_index_2);
119 if (statement_class)
120 {
121 make_row(user, statement_class);
122 m_next_pos.set_after(&m_pos);
123 return 0;
124 }
125 }
126 }
127
128 return HA_ERR_END_OF_FILE;
129}
130
131int
132table_esms_by_user_by_event_name::rnd_pos(const void *pos)
133{
134 PFS_user *user;
135 PFS_statement_class *statement_class;
136
137 set_position(pos);
138 DBUG_ASSERT(m_pos.m_index_1 < user_max);
139
140 user= &user_array[m_pos.m_index_1];
141 if (! user->m_lock.is_populated())
142 return HA_ERR_RECORD_DELETED;
143
144 statement_class= find_statement_class(m_pos.m_index_2);
145 if (statement_class)
146 {
147 make_row(user, statement_class);
148 return 0;
149 }
150
151 return HA_ERR_RECORD_DELETED;
152}
153
154void table_esms_by_user_by_event_name
155::make_row(PFS_user *user, PFS_statement_class *klass)
156{
157 pfs_lock lock;
158 m_row_exists= false;
159
160 if (klass->is_mutable())
161 return;
162
163 user->m_lock.begin_optimistic_lock(&lock);
164
165 if (m_row.m_user.make_row(user))
166 return;
167
168 m_row.m_event_name.make_row(klass);
169
170 PFS_connection_statement_visitor visitor(klass);
171 PFS_connection_iterator::visit_user(user, true, true, & visitor);
172
173 if (! user->m_lock.end_optimistic_lock(&lock))
174 return;
175
176 m_row_exists= true;
177 m_row.m_stat.set(m_normalizer, & visitor.m_stat);
178}
179
180int table_esms_by_user_by_event_name
181::read_row_values(TABLE *table, unsigned char *buf, Field **fields,
182 bool read_all)
183{
184 Field *f;
185
186 if (unlikely(! m_row_exists))
187 return HA_ERR_RECORD_DELETED;
188
189 /* Set the null bits */
190 DBUG_ASSERT(table->s->null_bytes == 1);
191 buf[0]= 0;
192
193 for (; (f= *fields) ; fields++)
194 {
195 if (read_all || bitmap_is_set(table->read_set, f->field_index))
196 {
197 switch(f->field_index)
198 {
199 case 0: /* USER */
200 m_row.m_user.set_field(f);
201 break;
202 case 1: /* EVENT_NAME */
203 m_row.m_event_name.set_field(f);
204 break;
205 default: /* 2, ... COUNT/SUM/MIN/AVG/MAX */
206 m_row.m_stat.set_field(f->field_index - 2, f);
207 break;
208 }
209 }
210 }
211
212 return 0;
213}
214
215