mirror of
https://github.com/MariaDB/server.git
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245 lines
7.8 KiB
C++
245 lines
7.8 KiB
C++
/* Copyright (c) 2010, 2015, 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 Street, Suite 500, Boston, MA 02110-1335 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 "my_global.h"
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#include "my_thread.h"
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#include "pfs_instr_class.h"
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#include "pfs_column_types.h"
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#include "pfs_column_values.h"
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#include "pfs_global.h"
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#include "pfs_instr.h"
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#include "pfs_timer.h"
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#include "pfs_visitor.h"
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#include "pfs_program.h"
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#include "table_esms_by_program.h"
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#include "pfs_buffer_container.h"
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#include "field.h"
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THR_LOCK table_esms_by_program::m_table_lock;
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PFS_engine_table_share
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table_esms_by_program::m_share=
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{
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{ C_STRING_WITH_LEN("events_statements_summary_by_program") },
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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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{ C_STRING_WITH_LEN("CREATE TABLE events_statements_summary_by_program ("
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"OBJECT_TYPE enum('EVENT', 'FUNCTION', 'PROCEDURE', 'TABLE', 'TRIGGER'),"
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"OBJECT_SCHEMA varchar(64) NOT NULL,"
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"OBJECT_NAME varchar(64) NOT NULL,"
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"COUNT_STAR bigint(20) unsigned NOT NULL,"
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"SUM_TIMER_WAIT bigint(20) unsigned NOT NULL,"
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"MIN_TIMER_WAIT bigint(20) unsigned NOT NULL,"
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"AVG_TIMER_WAIT bigint(20) unsigned NOT NULL,"
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"MAX_TIMER_WAIT bigint(20) unsigned NOT NULL,"
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"COUNT_STATEMENTS bigint(20) unsigned NOT NULL,"
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"SUM_STATEMENTS_WAIT bigint(20) unsigned NOT NULL,"
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"MIN_STATEMENTS_WAIT bigint(20) unsigned NOT NULL,"
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"AVG_STATEMENTS_WAIT bigint(20) unsigned NOT NULL,"
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"MAX_STATEMENTS_WAIT bigint(20) unsigned NOT NULL,"
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"SUM_LOCK_TIME bigint(20) unsigned NOT NULL,"
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"SUM_ERRORS bigint(20) unsigned NOT NULL,"
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"SUM_WARNINGS bigint(20) unsigned NOT NULL,"
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"SUM_ROWS_AFFECTED bigint(20) unsigned NOT NULL,"
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"SUM_ROWS_SENT bigint(20) unsigned NOT NULL,"
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"SUM_ROWS_EXAMINED bigint(20) unsigned NOT NULL,"
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"SUM_CREATED_TMP_DISK_TABLES bigint(20) unsigned NOT NULL,"
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"SUM_CREATED_TMP_TABLES bigint(20) unsigned NOT NULL,"
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"SUM_SELECT_FULL_JOIN bigint(20) unsigned NOT NULL,"
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"SUM_SELECT_FULL_RANGE_JOIN bigint(20) unsigned NOT NULL,"
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"SUM_SELECT_RANGE bigint(20) unsigned NOT NULL,"
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"SUM_SELECT_RANGE_CHECK bigint(20) unsigned NOT NULL,"
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"SUM_SELECT_SCAN bigint(20) unsigned NOT NULL,"
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"SUM_SORT_MERGE_PASSES bigint(20) unsigned NOT NULL,"
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"SUM_SORT_RANGE bigint(20) unsigned NOT NULL,"
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"SUM_SORT_ROWS bigint(20) unsigned NOT NULL,"
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"SUM_SORT_SCAN bigint(20) unsigned NOT NULL,"
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"SUM_NO_INDEX_USED bigint(20) unsigned NOT NULL,"
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"SUM_NO_GOOD_INDEX_USED bigint(20) unsigned NOT NULL)")},
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false /* perpetual */
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};
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PFS_engine_table*
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table_esms_by_program::create(void)
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{
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return new table_esms_by_program();
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}
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int
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table_esms_by_program::delete_all_rows(void)
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{
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reset_esms_by_program();
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return 0;
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}
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ha_rows
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table_esms_by_program::get_row_count(void)
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{
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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),
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m_row_exists(false), m_pos(0), m_next_pos(0)
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{}
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void table_esms_by_program::reset_position(void)
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{
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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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{
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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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{
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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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return HA_ERR_END_OF_FILE;
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}
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int
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table_esms_by_program::rnd_pos(const void *pos)
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{
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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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{
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make_row(pfs);
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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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void table_esms_by_program::make_row(PFS_program* program)
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{
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pfs_optimistic_state lock;
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m_row_exists= false;
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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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time_normalizer *normalizer= time_normalizer::get(statement_timer);
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/* Get stored program's over all stats. */
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m_row.m_sp_stat.set(normalizer, &program->m_sp_stat);
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/* Get sub statements' stats. */
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m_row.m_stmt_stat.set(normalizer, & program->m_stmt_stat);
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if (! program->m_lock.end_optimistic_lock(&lock))
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return;
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m_row_exists= true;
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}
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int table_esms_by_program
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::read_row_values(TABLE *table, unsigned char *buf, Field **fields,
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bool read_all)
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{
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Field *f;
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if (unlikely(! m_row_exists))
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return HA_ERR_RECORD_DELETED;
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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 == 1);
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buf[0]= 0;
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for (; (f= *fields) ; fields++)
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{
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if (read_all || bitmap_is_set(table->read_set, f->field_index))
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{
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switch(f->field_index)
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{
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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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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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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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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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