276 lines
7.5 KiB
C++
276 lines
7.5 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_setup_consumers.cc
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Table SETUP_CONSUMERS (implementation).
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*/
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#include "storage/perfschema/table_setup_consumers.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_digest.h"
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#include "storage/perfschema/pfs_events_transactions.h"
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#include "storage/perfschema/pfs_events_waits.h"
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#include "storage/perfschema/pfs_instr.h"
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#define COUNT_SETUP_CONSUMERS 15
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static row_setup_consumers all_setup_consumers_data[COUNT_SETUP_CONSUMERS] = {
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{{STRING_WITH_LEN("events_stages_current")},
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&flag_events_stages_current,
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false,
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false},
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{{STRING_WITH_LEN("events_stages_history")},
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&flag_events_stages_history,
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false,
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true},
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{{STRING_WITH_LEN("events_stages_history_long")},
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&flag_events_stages_history_long,
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false,
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true},
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{{STRING_WITH_LEN("events_statements_current")},
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&flag_events_statements_current,
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false,
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false},
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{{STRING_WITH_LEN("events_statements_history")},
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&flag_events_statements_history,
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false,
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true},
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{{STRING_WITH_LEN("events_statements_history_long")},
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&flag_events_statements_history_long,
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false,
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true},
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{{STRING_WITH_LEN("events_transactions_current")},
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&flag_events_transactions_current,
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false,
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false},
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{{STRING_WITH_LEN("events_transactions_history")},
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&flag_events_transactions_history,
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false,
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true},
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{{STRING_WITH_LEN("events_transactions_history_long")},
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&flag_events_transactions_history_long,
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false,
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true},
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{{STRING_WITH_LEN("events_waits_current")},
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&flag_events_waits_current,
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false,
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false},
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{{STRING_WITH_LEN("events_waits_history")},
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&flag_events_waits_history,
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false,
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true},
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{{STRING_WITH_LEN("events_waits_history_long")},
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&flag_events_waits_history_long,
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false,
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true},
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{{STRING_WITH_LEN("global_instrumentation")},
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&flag_global_instrumentation,
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true,
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true},
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{{STRING_WITH_LEN("thread_instrumentation")},
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&flag_thread_instrumentation,
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false,
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true},
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{{STRING_WITH_LEN("statements_digest")},
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&flag_statements_digest,
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false,
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false}};
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THR_LOCK table_setup_consumers::m_table_lock;
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Plugin_table table_setup_consumers::m_table_def(
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/* Schema name */
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"performance_schema",
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/* Name */
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"setup_consumers",
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/* Definition */
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" NAME VARCHAR(64) not null,\n"
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" ENABLED ENUM ('YES', 'NO') not null,\n"
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" PRIMARY KEY (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_setup_consumers::m_share = {
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&pfs_updatable_acl,
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table_setup_consumers::create,
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NULL, /* write_row */
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NULL, /* delete_all_rows */
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table_setup_consumers::get_row_count,
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sizeof(PFS_simple_index), /* ref length */
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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_setup_consumers::match(row_setup_consumers *row) {
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if (m_fields >= 1) {
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if (!m_key.match(&row->m_name)) {
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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_setup_consumers::create(PFS_engine_table_share *) {
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return new table_setup_consumers();
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}
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ha_rows table_setup_consumers::get_row_count(void) {
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return COUNT_SETUP_CONSUMERS;
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}
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table_setup_consumers::table_setup_consumers()
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: PFS_engine_table(&m_share, &m_pos),
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m_row(NULL),
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m_pos(0),
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m_next_pos(0) {}
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void table_setup_consumers::reset_position(void) {
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m_pos.m_index = 0;
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m_next_pos.m_index = 0;
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}
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int table_setup_consumers::rnd_next(void) {
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int result;
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m_pos.set_at(&m_next_pos);
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if (m_pos.m_index < COUNT_SETUP_CONSUMERS) {
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m_row = &all_setup_consumers_data[m_pos.m_index];
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m_next_pos.set_after(&m_pos);
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result = 0;
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} else {
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m_row = NULL;
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result = HA_ERR_END_OF_FILE;
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}
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return result;
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}
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int table_setup_consumers::rnd_pos(const void *pos) {
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set_position(pos);
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DBUG_ASSERT(m_pos.m_index < COUNT_SETUP_CONSUMERS);
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m_row = &all_setup_consumers_data[m_pos.m_index];
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return 0;
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}
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int table_setup_consumers::index_init(uint idx MY_ATTRIBUTE((unused)), bool) {
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PFS_index_setup_consumers *result = NULL;
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DBUG_ASSERT(idx == 0);
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result = PFS_NEW(PFS_index_setup_consumers);
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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_setup_consumers::index_next(void) {
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for (m_pos.set_at(&m_next_pos); m_pos.m_index < COUNT_SETUP_CONSUMERS;
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m_pos.next()) {
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m_row = &all_setup_consumers_data[m_pos.m_index];
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if (m_opened_index->match(m_row)) {
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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_row = NULL;
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return HA_ERR_END_OF_FILE;
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}
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int table_setup_consumers::read_row_values(TABLE *table, unsigned char *,
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Field **fields, bool read_all) {
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Field *f;
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DBUG_ASSERT(m_row);
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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: /* NAME */
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set_field_varchar_utf8(f, m_row->m_name.str, m_row->m_name.length);
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break;
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case 1: /* ENABLED */
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set_field_enum(f, (*m_row->m_enabled_ptr) ? ENUM_YES : ENUM_NO);
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break;
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default:
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DBUG_ASSERT(false);
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}
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}
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}
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return 0;
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}
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int table_setup_consumers::update_row_values(TABLE *table,
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const unsigned char *,
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unsigned char *, Field **fields) {
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Field *f;
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enum_yes_no value;
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DBUG_ASSERT(m_row);
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for (; (f = *fields); fields++) {
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if (bitmap_is_set(table->write_set, f->field_index)) {
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switch (f->field_index) {
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case 0: /* NAME */
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return HA_ERR_WRONG_COMMAND;
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case 1: /* ENABLED */
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{
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value = (enum_yes_no)get_field_enum(f);
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*m_row->m_enabled_ptr = (value == ENUM_YES) ? true : false;
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break;
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}
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default:
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DBUG_ASSERT(false);
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}
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}
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}
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if (m_row->m_instrument_refresh) {
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update_instruments_derived_flags();
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}
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if (m_row->m_thread_refresh) {
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update_thread_derived_flags();
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}
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return 0;
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}
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