1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
/* Copyright (c) 2010, 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
/**
@file storage/perfschema/table_esms_by_digest.cc
Table EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_DIGEST (implementation).
*/
#include "my_global.h"
#include "my_thread.h"
#include "pfs_instr_class.h"
#include "pfs_column_types.h"
#include "pfs_column_values.h"
#include "table_esms_by_digest.h"
#include "pfs_global.h"
#include "pfs_instr.h"
#include "pfs_timer.h"
#include "pfs_visitor.h"
#include "table_esms_by_digest.h"
#include "pfs_digest.h"
#include "field.h"
THR_LOCK table_esms_by_digest::m_table_lock;
PFS_engine_table_share_state
table_esms_by_digest::m_share_state = {
false /* m_checked */
};
PFS_engine_table_share
table_esms_by_digest::m_share=
{
{ C_STRING_WITH_LEN("events_statements_summary_by_digest") },
&pfs_truncatable_acl,
table_esms_by_digest::create,
NULL, /* write_row */
table_esms_by_digest::delete_all_rows,
table_esms_by_digest::get_row_count,
sizeof(PFS_simple_index),
&m_table_lock,
{ C_STRING_WITH_LEN("CREATE TABLE events_statements_summary_by_digest("
"SCHEMA_NAME VARCHAR(64) comment 'Database name. Records are summarised together with DIGEST.',"
"DIGEST VARCHAR(32) comment 'Performance Schema digest. Records are summarised together with SCHEMA NAME.',"
"DIGEST_TEXT LONGTEXT comment 'The unhashed form of the digest.',"
"COUNT_STAR BIGINT unsigned not null comment 'Number of summarized events',"
"SUM_TIMER_WAIT BIGINT unsigned not null comment 'Total wait time of the summarized events that are timed.',"
"MIN_TIMER_WAIT BIGINT unsigned not null comment 'Minimum wait time of the summarized events that are timed.',"
"AVG_TIMER_WAIT BIGINT unsigned not null comment 'Average wait time of the summarized events that are timed.',"
"MAX_TIMER_WAIT BIGINT unsigned not null comment 'Maximum wait time of the summarized events that are timed.',"
"SUM_LOCK_TIME BIGINT unsigned not null comment 'Sum of the LOCK_TIME column in the events_statements_current table.',"
"SUM_ERRORS BIGINT unsigned not null comment 'Sum of the ERRORS column in the events_statements_current table.',"
"SUM_WARNINGS BIGINT unsigned not null comment 'Sum of the WARNINGS column in the events_statements_current table.',"
"SUM_ROWS_AFFECTED BIGINT unsigned not null comment 'Sum of the ROWS_AFFECTED column in the events_statements_current table.',"
"SUM_ROWS_SENT BIGINT unsigned not null comment 'Sum of the ROWS_SENT column in the events_statements_current table.',"
"SUM_ROWS_EXAMINED BIGINT unsigned not null comment 'Sum of the ROWS_EXAMINED column in the events_statements_current table.',"
"SUM_CREATED_TMP_DISK_TABLES BIGINT unsigned not null comment 'Sum of the CREATED_TMP_DISK_TABLES column in the events_statements_current table.',"
"SUM_CREATED_TMP_TABLES BIGINT unsigned not null comment 'Sum of the CREATED_TMP_TABLES column in the events_statements_current table.',"
"SUM_SELECT_FULL_JOIN BIGINT unsigned not null comment 'Sum of the SELECT_FULL_JOIN column in the events_statements_current table.',"
"SUM_SELECT_FULL_RANGE_JOIN BIGINT unsigned not null comment 'Sum of the SELECT_FULL_RANGE_JOIN column in the events_statements_current table.',"
"SUM_SELECT_RANGE BIGINT unsigned not null comment 'Sum of the SELECT_RANGE column in the events_statements_current table.',"
"SUM_SELECT_RANGE_CHECK BIGINT unsigned not null comment 'Sum of the SELECT_RANGE_CHECK column in the events_statements_current table.',"
"SUM_SELECT_SCAN BIGINT unsigned not null comment 'Sum of the SELECT_SCAN column in the events_statements_current table.',"
"SUM_SORT_MERGE_PASSES BIGINT unsigned not null comment 'Sum of the SORT_MERGE_PASSES column in the events_statements_current table.',"
"SUM_SORT_RANGE BIGINT unsigned not null comment 'Sum of the SORT_RANGE column in the events_statements_current table.',"
"SUM_SORT_ROWS BIGINT unsigned not null comment 'Sum of the SORT_ROWS column in the events_statements_current table.',"
"SUM_SORT_SCAN BIGINT unsigned not null comment 'Sum of the SORT_SCAN column in the events_statements_current table.',"
"SUM_NO_INDEX_USED BIGINT unsigned not null comment 'Sum of the NO_INDEX_USED column in the events_statements_current table.',"
"SUM_NO_GOOD_INDEX_USED BIGINT unsigned not null comment 'Sum of the NO_GOOD_INDEX_USED column in the events_statements_current table.',"
"FIRST_SEEN TIMESTAMP(0) NOT NULL default 0 comment 'Time at which the digest was first seen.',"
"LAST_SEEN TIMESTAMP(0) NOT NULL default 0 comment 'Time at which the digest was most recently seen.')") },
false, /* m_perpetual */
false, /* m_optional */
&m_share_state
};
PFS_engine_table*
table_esms_by_digest::create(void)
{
return new table_esms_by_digest();
}
int
table_esms_by_digest::delete_all_rows(void)
{
reset_esms_by_digest();
return 0;
}
ha_rows
table_esms_by_digest::get_row_count(void)
{
return digest_max;
}
table_esms_by_digest::table_esms_by_digest()
: PFS_engine_table(&m_share, &m_pos),
m_row_exists(false), m_pos(0), m_next_pos(0)
{}
void table_esms_by_digest::reset_position(void)
{
m_pos= 0;
m_next_pos= 0;
}
int table_esms_by_digest::rnd_next(void)
{
PFS_statements_digest_stat* digest_stat;
if (statements_digest_stat_array == NULL)
return HA_ERR_END_OF_FILE;
for (m_pos.set_at(&m_next_pos);
m_pos.m_index < digest_max;
m_pos.next())
{
digest_stat= &statements_digest_stat_array[m_pos.m_index];
if (digest_stat->m_lock.is_populated())
{
if (digest_stat->m_first_seen != 0)
{
make_row(digest_stat);
m_next_pos.set_after(&m_pos);
return 0;
}
}
}
return HA_ERR_END_OF_FILE;
}
int
table_esms_by_digest::rnd_pos(const void *pos)
{
PFS_statements_digest_stat* digest_stat;
if (statements_digest_stat_array == NULL)
return HA_ERR_END_OF_FILE;
set_position(pos);
digest_stat= &statements_digest_stat_array[m_pos.m_index];
if (digest_stat->m_lock.is_populated())
{
if (digest_stat->m_first_seen != 0)
{
make_row(digest_stat);
return 0;
}
}
return HA_ERR_RECORD_DELETED;
}
void table_esms_by_digest::make_row(PFS_statements_digest_stat* digest_stat)
{
m_row_exists= false;
m_row.m_first_seen= digest_stat->m_first_seen;
m_row.m_last_seen= digest_stat->m_last_seen;
m_row.m_digest.make_row(digest_stat);
/*
Get statements stats.
*/
time_normalizer *normalizer= time_normalizer::get(statement_timer);
m_row.m_stat.set(normalizer, & digest_stat->m_stat);
m_row_exists= true;
}
int table_esms_by_digest
::read_row_values(TABLE *table, unsigned char *buf, Field **fields,
bool read_all)
{
Field *f;
if (unlikely(! m_row_exists))
return HA_ERR_RECORD_DELETED;
/*
Set the null bits. It indicates how many fields could be null
in the table.
*/
assert(table->s->null_bytes == 1);
buf[0]= 0;
for (; (f= *fields) ; fields++)
{
if (read_all || bitmap_is_set(table->read_set, f->field_index))
{
switch(f->field_index)
{
case 0: /* SCHEMA_NAME */
case 1: /* DIGEST */
case 2: /* DIGEST_TEXT */
m_row.m_digest.set_field(f->field_index, f);
break;
case 27: /* FIRST_SEEN */
set_field_timestamp(f, m_row.m_first_seen);
break;
case 28: /* LAST_SEEN */
set_field_timestamp(f, m_row.m_last_seen);
break;
default: /* 3, ... COUNT/SUM/MIN/AVG/MAX */
m_row.m_stat.set_field(f->field_index - 3, f);
break;
}
}
}
return 0;
}
|
