mysql5/mysql-5.7.27/storage/perfschema/table_esms_by_program.cc

376 lines
8.8 KiB
C++

/* Copyright (c) 2010, 2015, 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, Suite 500, Boston, MA 02110-1335 USA */
/**
@file storage/perfschema/table_esms_by_program.cc
Table EVENTS_STATEMENTS_SUMMARY_BY_PROGRAM (implementation).
*/
#include "my_global.h"
#include "my_thread.h"
#include "pfs_instr_class.h"
#include "pfs_column_types.h"
#include "pfs_column_values.h"
#include "pfs_global.h"
#include "pfs_instr.h"
#include "pfs_timer.h"
#include "pfs_visitor.h"
#include "pfs_program.h"
#include "table_esms_by_program.h"
#include "pfs_buffer_container.h"
#include "field.h"
THR_LOCK table_esms_by_program::m_table_lock;
static const TABLE_FIELD_TYPE field_types[]=
{
{
{ C_STRING_WITH_LEN("OBJECT_TYPE") },
{ C_STRING_WITH_LEN("enum(\'EVENT\',\'FUNCTION\',\'PROCEDURE\',\'TABLE\',\'TRIGGER\')") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("OBJECT_SCHEMA") },
{ C_STRING_WITH_LEN("varchar(64)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("OBJECT_NAME") },
{ C_STRING_WITH_LEN("varchar(64)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("COUNT_STAR") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_TIMER_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MIN_TIMER_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("AVG_TIMER_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MAX_TIMER_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("COUNT_STATEMENTS") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_STATEMENTS_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MIN_STATEMENTS_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("AVG_STATEMENTS_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("MAX_STATEMENTS_WAIT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_LOCK_TIME") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_ERRORS") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_WARNINGS") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_ROWS_AFFECTED") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_ROWS_SENT") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_ROWS_EXAMINED") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_CREATED_TMP_DISK_TABLES") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_CREATED_TMP_TABLES") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_SELECT_FULL_JOIN") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_SELECT_FULL_RANGE_JOIN") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_SELECT_RANGE") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_SELECT_RANGE_CHECK") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_SELECT_SCAN") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_SORT_MERGE_PASSES") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_SORT_RANGE") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_SORT_ROWS") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_SORT_SCAN") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_NO_INDEX_USED") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
{
{ C_STRING_WITH_LEN("SUM_NO_GOOD_INDEX_USED") },
{ C_STRING_WITH_LEN("bigint(20)") },
{ NULL, 0}
},
};
TABLE_FIELD_DEF
table_esms_by_program::m_field_def=
{ 32, field_types };
PFS_engine_table_share
table_esms_by_program::m_share=
{
{ C_STRING_WITH_LEN("events_statements_summary_by_program") },
&pfs_truncatable_acl,
table_esms_by_program::create,
NULL, /* write_row */
table_esms_by_program::delete_all_rows,
table_esms_by_program::get_row_count,
sizeof(PFS_simple_index),
&m_table_lock,
&m_field_def,
false, /* checked */
false /* perpetual */
};
PFS_engine_table*
table_esms_by_program::create(void)
{
return new table_esms_by_program();
}
int
table_esms_by_program::delete_all_rows(void)
{
reset_esms_by_program();
return 0;
}
ha_rows
table_esms_by_program::get_row_count(void)
{
return global_program_container.get_row_count();
}
table_esms_by_program::table_esms_by_program()
: PFS_engine_table(&m_share, &m_pos),
m_row_exists(false), m_pos(0), m_next_pos(0)
{}
void table_esms_by_program::reset_position(void)
{
m_pos= 0;
m_next_pos= 0;
}
int table_esms_by_program::rnd_next(void)
{
PFS_program* pfs;
m_pos.set_at(&m_next_pos);
PFS_program_iterator it= global_program_container.iterate(m_pos.m_index);
pfs= it.scan_next(& m_pos.m_index);
if (pfs != NULL)
{
make_row(pfs);
m_next_pos.set_after(&m_pos);
return 0;
}
return HA_ERR_END_OF_FILE;
}
int
table_esms_by_program::rnd_pos(const void *pos)
{
PFS_program* pfs;
set_position(pos);
pfs= global_program_container.get(m_pos.m_index);
if (pfs != NULL)
{
make_row(pfs);
return 0;
}
return HA_ERR_RECORD_DELETED;
}
void table_esms_by_program::make_row(PFS_program* program)
{
pfs_optimistic_state lock;
m_row_exists= false;
program->m_lock.begin_optimistic_lock(&lock);
m_row.m_object_type= program->m_type;
m_row.m_object_name_length= program->m_object_name_length;
if(m_row.m_object_name_length > 0)
memcpy(m_row.m_object_name, program->m_object_name,
m_row.m_object_name_length);
m_row.m_schema_name_length= program->m_schema_name_length;
if(m_row.m_schema_name_length > 0)
memcpy(m_row.m_schema_name, program->m_schema_name,
m_row.m_schema_name_length);
time_normalizer *normalizer= time_normalizer::get(statement_timer);
/* Get stored program's over all stats. */
m_row.m_sp_stat.set(normalizer, &program->m_sp_stat);
/* Get sub statements' stats. */
m_row.m_stmt_stat.set(normalizer, & program->m_stmt_stat);
if (! program->m_lock.end_optimistic_lock(&lock))
return;
m_row_exists= true;
}
int table_esms_by_program
::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: /* OBJECT_TYPE */
if(m_row.m_object_type != 0)
set_field_enum(f, m_row.m_object_type);
else
f->set_null();
break;
case 1: /* OBJECT_SCHEMA */
if(m_row.m_schema_name_length > 0)
set_field_varchar_utf8(f, m_row.m_schema_name,
m_row.m_schema_name_length);
else
f->set_null();
break;
case 2: /* OBJECT_NAME */
if(m_row.m_object_name_length > 0)
set_field_varchar_utf8(f, m_row.m_object_name,
m_row.m_object_name_length);
else
f->set_null();
break;
case 3: /* COUNT_STAR */
case 4: /* SUM_TIMER_WAIT */
case 5: /* MIN_TIMER_WAIT */
case 6: /* AVG_TIMER_WAIT */
case 7: /* MAX_TIMER_WAIT */
m_row.m_sp_stat.set_field(f->field_index - 3, f);
break;
default: /* 8, ... COUNT/SUM/MIN/AVG/MAX */
m_row.m_stmt_stat.set_field(f->field_index - 8, f);
break;
}
}
}
return 0;
}