300 lines
9.6 KiB
C++
300 lines
9.6 KiB
C++
/* Copyright (c) 2008, 2019, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License, version 2.0, for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */
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/**
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@file storage/perfschema/table_file_summary_by_event_name.cc
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Table FILE_SUMMARY_BY_EVENT_NAME(implementation).
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*/
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#include "storage/perfschema/table_file_summary_by_event_name.h"
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#include <stddef.h>
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#include "my_dbug.h"
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#include "my_thread.h"
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#include "sql/field.h"
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#include "sql/plugin_table.h"
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#include "sql/table.h"
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#include "storage/perfschema/pfs_column_types.h"
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#include "storage/perfschema/pfs_column_values.h"
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#include "storage/perfschema/pfs_global.h"
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#include "storage/perfschema/pfs_instr.h"
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#include "storage/perfschema/pfs_instr_class.h"
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#include "storage/perfschema/pfs_visitor.h"
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THR_LOCK table_file_summary_by_event_name::m_table_lock;
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Plugin_table table_file_summary_by_event_name::m_table_def(
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/* Schema name */
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"performance_schema",
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/* Name */
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"file_summary_by_event_name",
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/* Definition */
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" EVENT_NAME VARCHAR(128) not null,\n"
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" COUNT_STAR BIGINT UNSIGNED not null,\n"
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" SUM_TIMER_WAIT BIGINT UNSIGNED not null,\n"
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" MIN_TIMER_WAIT BIGINT UNSIGNED not null,\n"
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" AVG_TIMER_WAIT BIGINT UNSIGNED not null,\n"
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" MAX_TIMER_WAIT BIGINT UNSIGNED not null,\n"
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" COUNT_READ BIGINT UNSIGNED not null,\n"
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" SUM_TIMER_READ BIGINT UNSIGNED not null,\n"
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" MIN_TIMER_READ BIGINT UNSIGNED not null,\n"
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" AVG_TIMER_READ BIGINT UNSIGNED not null,\n"
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" MAX_TIMER_READ BIGINT UNSIGNED not null,\n"
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" SUM_NUMBER_OF_BYTES_READ BIGINT not null,\n"
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" COUNT_WRITE BIGINT unsigned not null,\n"
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" SUM_TIMER_WRITE BIGINT unsigned not null,\n"
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" MIN_TIMER_WRITE BIGINT unsigned not null,\n"
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" AVG_TIMER_WRITE BIGINT unsigned not null,\n"
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" MAX_TIMER_WRITE BIGINT unsigned not null,\n"
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" SUM_NUMBER_OF_BYTES_WRITE BIGINT not null,\n"
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" COUNT_MISC BIGINT unsigned not null,\n"
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" SUM_TIMER_MISC BIGINT unsigned not null,\n"
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" MIN_TIMER_MISC BIGINT unsigned not null,\n"
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" AVG_TIMER_MISC BIGINT unsigned not null,\n"
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" MAX_TIMER_MISC BIGINT unsigned not null,\n"
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" PRIMARY KEY (EVENT_NAME) USING HASH\n",
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/* Options */
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" ENGINE=PERFORMANCE_SCHEMA",
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/* Tablespace */
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nullptr);
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PFS_engine_table_share table_file_summary_by_event_name::m_share = {
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&pfs_truncatable_acl,
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table_file_summary_by_event_name::create,
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NULL, /* write_row */
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table_file_summary_by_event_name::delete_all_rows,
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table_file_summary_by_event_name::get_row_count,
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sizeof(PFS_simple_index),
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&m_table_lock,
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&m_table_def,
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false, /* perpetual */
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PFS_engine_table_proxy(),
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{0},
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false /* m_in_purgatory */
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};
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bool PFS_index_file_summary_by_event_name::match(const PFS_file_class *pfs) {
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if (m_fields >= 1) {
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if (!m_key.match(pfs)) {
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return false;
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}
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}
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return true;
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}
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PFS_engine_table *table_file_summary_by_event_name::create(
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PFS_engine_table_share *) {
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return new table_file_summary_by_event_name();
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}
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int table_file_summary_by_event_name::delete_all_rows(void) {
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reset_file_instance_io();
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reset_file_class_io();
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return 0;
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}
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ha_rows table_file_summary_by_event_name::get_row_count(void) {
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return file_class_max;
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}
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table_file_summary_by_event_name::table_file_summary_by_event_name()
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: PFS_engine_table(&m_share, &m_pos), m_pos(1), m_next_pos(1) {
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m_normalizer = time_normalizer::get_wait();
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}
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void table_file_summary_by_event_name::reset_position(void) {
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m_pos.m_index = 1;
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m_next_pos.m_index = 1;
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}
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int table_file_summary_by_event_name::rnd_next(void) {
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PFS_file_class *file_class;
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m_pos.set_at(&m_next_pos);
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file_class = find_file_class(m_pos.m_index);
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if (file_class) {
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m_next_pos.set_after(&m_pos);
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return make_row(file_class);
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}
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return HA_ERR_END_OF_FILE;
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}
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int table_file_summary_by_event_name::rnd_pos(const void *pos) {
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PFS_file_class *file_class;
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set_position(pos);
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file_class = find_file_class(m_pos.m_index);
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if (file_class) {
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make_row(file_class);
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return 0;
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}
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return HA_ERR_RECORD_DELETED;
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}
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int table_file_summary_by_event_name::index_init(
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uint idx MY_ATTRIBUTE((unused)), bool) {
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PFS_index_file_summary_by_event_name *result = NULL;
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DBUG_ASSERT(idx == 0);
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result = PFS_NEW(PFS_index_file_summary_by_event_name);
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m_opened_index = result;
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m_index = result;
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return 0;
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}
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int table_file_summary_by_event_name::index_next(void) {
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PFS_file_class *file_class;
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m_pos.set_at(&m_next_pos);
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do {
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file_class = find_file_class(m_pos.m_index);
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if (file_class) {
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if (m_opened_index->match(file_class)) {
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if (!make_row(file_class)) {
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m_next_pos.set_after(&m_pos);
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return 0;
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}
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}
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m_pos.next();
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}
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} while (file_class != NULL);
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return HA_ERR_END_OF_FILE;
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}
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/**
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Build a row.
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@param file_class the file class the cursor is reading
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@return 0 or HA_ERR_RECORD_DELETED
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*/
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int table_file_summary_by_event_name::make_row(PFS_file_class *file_class) {
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m_row.m_event_name.make_row(file_class);
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PFS_instance_file_io_stat_visitor visitor;
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PFS_instance_iterator::visit_file_instances(file_class, &visitor);
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/* Collect timer and byte count stats */
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m_row.m_io_stat.set(m_normalizer, &visitor.m_file_io_stat);
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return 0;
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}
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int table_file_summary_by_event_name::read_row_values(TABLE *table,
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unsigned char *,
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Field **fields,
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bool read_all) {
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Field *f;
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/* Set the null bits */
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DBUG_ASSERT(table->s->null_bytes == 0);
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for (; (f = *fields); fields++) {
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if (read_all || bitmap_is_set(table->read_set, f->field_index)) {
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switch (f->field_index) {
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case 0: /* EVENT_NAME */
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m_row.m_event_name.set_field(f);
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break;
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case 1: /* COUNT_STAR */
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set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_count);
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break;
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case 2: /* SUM_TIMER_WAIT */
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set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_sum);
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break;
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case 3: /* MIN_TIMER_WAIT */
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set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_min);
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break;
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case 4: /* AVG_TIMER_WAIT */
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set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_avg);
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break;
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case 5: /* MAX_TIMER_WAIT */
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set_field_ulonglong(f, m_row.m_io_stat.m_all.m_waits.m_max);
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break;
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case 6: /* COUNT_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_count);
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break;
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case 7: /* SUM_TIMER_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_sum);
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break;
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case 8: /* MIN_TIMER_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_min);
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break;
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case 9: /* AVG_TIMER_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_avg);
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break;
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case 10: /* MAX_TIMER_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_waits.m_max);
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break;
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case 11: /* SUM_NUMBER_OF_BYTES_READ */
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set_field_ulonglong(f, m_row.m_io_stat.m_read.m_bytes);
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break;
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case 12: /* COUNT_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_count);
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break;
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case 13: /* SUM_TIMER_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_sum);
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break;
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case 14: /* MIN_TIMER_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_min);
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break;
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case 15: /* AVG_TIMER_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_avg);
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break;
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case 16: /* MAX_TIMER_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_waits.m_max);
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break;
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case 17: /* SUM_NUMBER_OF_BYTES_WRITE */
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set_field_ulonglong(f, m_row.m_io_stat.m_write.m_bytes);
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break;
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case 18: /* COUNT_MISC */
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set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_count);
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break;
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case 19: /* SUM_TIMER_MISC */
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set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_sum);
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break;
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case 20: /* MIN_TIMER_MISC */
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set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_min);
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break;
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case 21: /* AVG_TIMER_MISC */
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set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_avg);
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break;
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case 22: /* MAX_TIMER_MISC */
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set_field_ulonglong(f, m_row.m_io_stat.m_misc.m_waits.m_max);
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break;
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default:
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DBUG_ASSERT(false);
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break;
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}
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} // if
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} // for
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return 0;
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}
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