290 lines
9.0 KiB
C++
290 lines
9.0 KiB
C++
/* Copyright (c) 2010, 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_esms_by_program.cc
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Table EVENTS_STATEMENTS_SUMMARY_BY_PROGRAM (implementation).
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*/
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#include "storage/perfschema/table_esms_by_program.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_buffer_container.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_program.h"
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#include "storage/perfschema/pfs_timer.h"
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#include "storage/perfschema/pfs_visitor.h"
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THR_LOCK table_esms_by_program::m_table_lock;
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Plugin_table table_esms_by_program::m_table_def(
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/* Schema name */
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"performance_schema",
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/* Name */
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"events_statements_summary_by_program",
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/* Definition */
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" OBJECT_TYPE enum('EVENT', 'FUNCTION', 'PROCEDURE', 'TABLE',\n"
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" 'TRIGGER'),\n"
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" OBJECT_SCHEMA VARCHAR(64) NOT NULL,\n"
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" OBJECT_NAME VARCHAR(64) NOT NULL,\n"
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" COUNT_STAR bigint(20) unsigned NOT NULL,\n"
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" SUM_TIMER_WAIT bigint(20) unsigned NOT NULL,\n"
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" MIN_TIMER_WAIT bigint(20) unsigned NOT NULL,\n"
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" AVG_TIMER_WAIT bigint(20) unsigned NOT NULL,\n"
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" MAX_TIMER_WAIT bigint(20) unsigned NOT NULL,\n"
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" COUNT_STATEMENTS bigint(20) unsigned NOT NULL,\n"
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" SUM_STATEMENTS_WAIT bigint(20) unsigned NOT NULL,\n"
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" MIN_STATEMENTS_WAIT bigint(20) unsigned NOT NULL,\n"
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" AVG_STATEMENTS_WAIT bigint(20) unsigned NOT NULL,\n"
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" MAX_STATEMENTS_WAIT bigint(20) unsigned NOT NULL,\n"
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" SUM_LOCK_TIME bigint(20) unsigned NOT NULL,\n"
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" SUM_ERRORS bigint(20) unsigned NOT NULL,\n"
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" SUM_WARNINGS bigint(20) unsigned NOT NULL,\n"
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" SUM_ROWS_AFFECTED bigint(20) unsigned NOT NULL,\n"
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" SUM_ROWS_SENT bigint(20) unsigned NOT NULL,\n"
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" SUM_ROWS_EXAMINED bigint(20) UNSIGNED NOT NULL,\n"
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" SUM_CREATED_TMP_DISK_TABLES bigint(20) unsigned NOT NULL,\n"
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" SUM_CREATED_TMP_TABLES bigint(20) unsigned NOT NULL,\n"
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" SUM_SELECT_FULL_JOIN bigint(20) unsigned NOT NULL,\n"
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" SUM_SELECT_FULL_RANGE_JOIN bigint(20) unsigned NOT NULL,\n"
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" SUM_SELECT_RANGE bigint(20) unsigned NOT NULL,\n"
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" SUM_SELECT_RANGE_CHECK bigint(20) unsigned NOT NULL,\n"
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" SUM_SELECT_SCAN bigint(20) unsigned NOT NULL,\n"
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" SUM_SORT_MERGE_PASSES bigint(20) unsigned NOT NULL,\n"
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" SUM_SORT_RANGE bigint(20) unsigned NOT NULL,\n"
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" SUM_SORT_ROWS bigint(20) unsigned NOT NULL,\n"
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" SUM_SORT_SCAN bigint(20) unsigned NOT NULL,\n"
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" SUM_NO_INDEX_USED bigint(20) unsigned NOT NULL,\n"
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" SUM_NO_GOOD_INDEX_USED bigint(20) unsigned NOT NULL,\n"
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" PRIMARY KEY (OBJECT_TYPE, OBJECT_SCHEMA, OBJECT_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_esms_by_program::m_share = {
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&pfs_truncatable_acl,
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table_esms_by_program::create,
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NULL, /* write_row */
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table_esms_by_program::delete_all_rows,
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table_esms_by_program::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_esms_by_program::match(PFS_program *pfs) {
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if (m_fields >= 1) {
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if (!m_key_1.match(pfs->m_type)) {
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return false;
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}
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}
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if (m_fields >= 2) {
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if (!m_key_2.match(pfs)) {
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return false;
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}
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}
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if (m_fields >= 3) {
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if (!m_key_3.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_esms_by_program::create(PFS_engine_table_share *) {
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return new table_esms_by_program();
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}
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int table_esms_by_program::delete_all_rows(void) {
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reset_esms_by_program();
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return 0;
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}
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ha_rows table_esms_by_program::get_row_count(void) {
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return global_program_container.get_row_count();
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}
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table_esms_by_program::table_esms_by_program()
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: PFS_engine_table(&m_share, &m_pos), m_pos(0), m_next_pos(0) {
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m_normalizer = time_normalizer::get_statement();
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}
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void table_esms_by_program::reset_position(void) {
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m_pos = 0;
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m_next_pos = 0;
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}
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int table_esms_by_program::rnd_next(void) {
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PFS_program *pfs;
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m_pos.set_at(&m_next_pos);
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PFS_program_iterator it = global_program_container.iterate(m_pos.m_index);
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pfs = it.scan_next(&m_pos.m_index);
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if (pfs != NULL) {
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m_next_pos.set_after(&m_pos);
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return make_row(pfs);
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}
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return HA_ERR_END_OF_FILE;
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}
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int table_esms_by_program::rnd_pos(const void *pos) {
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PFS_program *pfs;
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set_position(pos);
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pfs = global_program_container.get(m_pos.m_index);
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if (pfs != NULL) {
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return make_row(pfs);
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}
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return HA_ERR_RECORD_DELETED;
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}
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int table_esms_by_program::index_init(uint idx MY_ATTRIBUTE((unused)), bool) {
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PFS_index_esms_by_program *result = NULL;
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DBUG_ASSERT(idx == 0);
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result = PFS_NEW(PFS_index_esms_by_program);
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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_esms_by_program::index_next(void) {
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PFS_program *pfs;
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bool has_more_program = true;
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for (m_pos.set_at(&m_next_pos); has_more_program; m_pos.next()) {
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pfs = global_program_container.get(m_pos.m_index, &has_more_program);
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if (pfs != NULL) {
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if (m_opened_index->match(pfs)) {
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if (!make_row(pfs)) {
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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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}
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}
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return HA_ERR_END_OF_FILE;
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}
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int table_esms_by_program::make_row(PFS_program *program) {
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pfs_optimistic_state lock;
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program->m_lock.begin_optimistic_lock(&lock);
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m_row.m_object_type = program->m_type;
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m_row.m_object_name_length = program->m_object_name_length;
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if (m_row.m_object_name_length > 0)
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memcpy(m_row.m_object_name, program->m_object_name,
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m_row.m_object_name_length);
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m_row.m_schema_name_length = program->m_schema_name_length;
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if (m_row.m_schema_name_length > 0)
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memcpy(m_row.m_schema_name, program->m_schema_name,
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m_row.m_schema_name_length);
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/* Get stored program's over all stats. */
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m_row.m_sp_stat.set(m_normalizer, &program->m_sp_stat);
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/* Get sub statements' stats. */
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m_row.m_stmt_stat.set(m_normalizer, &program->m_stmt_stat);
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if (!program->m_lock.end_optimistic_lock(&lock)) {
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return HA_ERR_RECORD_DELETED;
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}
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return 0;
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}
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int table_esms_by_program::read_row_values(TABLE *table, unsigned char *buf,
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Field **fields, bool read_all) {
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Field *f;
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/*
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Set the null bits. It indicates how many fields could be null
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in the table.
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*/
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DBUG_ASSERT(table->s->null_bytes == 0);
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buf[0] = 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: /* OBJECT_TYPE */
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if (m_row.m_object_type != 0) {
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set_field_enum(f, m_row.m_object_type);
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} else {
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f->set_null();
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}
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break;
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case 1: /* OBJECT_SCHEMA */
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if (m_row.m_schema_name_length > 0)
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set_field_varchar_utf8(f, m_row.m_schema_name,
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m_row.m_schema_name_length);
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else {
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f->set_null();
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}
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break;
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case 2: /* OBJECT_NAME */
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if (m_row.m_object_name_length > 0)
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set_field_varchar_utf8(f, m_row.m_object_name,
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m_row.m_object_name_length);
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else {
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f->set_null();
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}
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break;
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case 3: /* COUNT_STAR */
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case 4: /* SUM_TIMER_WAIT */
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case 5: /* MIN_TIMER_WAIT */
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case 6: /* AVG_TIMER_WAIT */
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case 7: /* MAX_TIMER_WAIT */
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m_row.m_sp_stat.set_field(f->field_index - 3, f);
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break;
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default: /* 8, ... COUNT/SUM/MIN/AVG/MAX */
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m_row.m_stmt_stat.set_field(f->field_index - 8, f);
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break;
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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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