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/* Copyright (c) 2010, 2016, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
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 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 02110-1301, USA */
/**
@file storage/perfschema/table_esms_by_digest.cc
Table EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_DIGEST (implementation).
*/
#include "my_global.h"
#include "my_pthread.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"
THR_LOCK table_esms_by_digest::m_table_lock;
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,
NULL, /* get_row_count */
1000, /* records */
sizeof(PFS_simple_index),
&m_table_lock,
{ C_STRING_WITH_LEN("CREATE TABLE events_statements_summary_by_digest("
"SCHEMA_NAME VARCHAR(64),"
"DIGEST VARCHAR(32),"
"DIGEST_TEXT LONGTEXT,"
"COUNT_STAR BIGINT unsigned not null,"
"SUM_TIMER_WAIT BIGINT unsigned not null,"
"MIN_TIMER_WAIT BIGINT unsigned not null,"
"AVG_TIMER_WAIT BIGINT unsigned not null,"
"MAX_TIMER_WAIT BIGINT unsigned not null,"
"SUM_LOCK_TIME BIGINT unsigned not null,"
"SUM_ERRORS BIGINT unsigned not null,"
"SUM_WARNINGS BIGINT unsigned not null,"
"SUM_ROWS_AFFECTED BIGINT unsigned not null,"
"SUM_ROWS_SENT BIGINT unsigned not null,"
"SUM_ROWS_EXAMINED BIGINT unsigned not null,"
"SUM_CREATED_TMP_DISK_TABLES BIGINT unsigned not null,"
"SUM_CREATED_TMP_TABLES BIGINT unsigned not null,"
"SUM_SELECT_FULL_JOIN BIGINT unsigned not null,"
"SUM_SELECT_FULL_RANGE_JOIN BIGINT unsigned not null,"
"SUM_SELECT_RANGE BIGINT unsigned not null,"
"SUM_SELECT_RANGE_CHECK BIGINT unsigned not null,"
"SUM_SELECT_SCAN BIGINT unsigned not null,"
"SUM_SORT_MERGE_PASSES BIGINT unsigned not null,"
"SUM_SORT_RANGE BIGINT unsigned not null,"
"SUM_SORT_ROWS BIGINT unsigned not null,"
"SUM_SORT_SCAN BIGINT unsigned not null,"
"SUM_NO_INDEX_USED BIGINT unsigned not null,"
"SUM_NO_GOOD_INDEX_USED BIGINT unsigned not null,"
"FIRST_SEEN TIMESTAMP(0) NOT NULL default 0,"
"LAST_SEEN TIMESTAMP(0) NOT NULL default 0)") }
};
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;
}
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.
*/
DBUG_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;
}
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