database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-08-08 11:22:35 +03:00
Code Activity

P_S 5.7.28

Browse Source
This commit is contained in:
Sergei Golubchik
2019-12-10 15:35:00 +01:00
parent dfe6e914e5
commit 0ea717f51a
942 changed files with 174739 additions and 20780 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
storage/perfschema/table_file_instances.cc
View File

@@ -1,4 +1,4 @@
/* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
/* Copyright (c) 2008, 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, version 2.0,
@@ -26,12 +26,14 @@
*/
#include "my_global.h"
#include "my_pthread.h"
#include "my_thread.h"
#include "pfs_instr.h"
#include "pfs_column_types.h"
#include "pfs_column_values.h"
#include "table_file_instances.h"
#include "pfs_global.h"
#include "pfs_buffer_container.h"
#include "field.h"
THR_LOCK table_file_instances::m_table_lock;
@@ -40,17 +42,17 @@ table_file_instances::m_share=
{
{ C_STRING_WITH_LEN("file_instances") },
&pfs_readonly_acl,
&table_file_instances::create,
table_file_instances::create,
NULL, /* write_row */
NULL, /* delete_all_rows */
NULL, /* get_row_count */
1000, /* records */
table_file_instances::get_row_count,
sizeof(PFS_simple_index),
&m_table_lock,
{ C_STRING_WITH_LEN("CREATE TABLE file_instances("
"FILE_NAME VARCHAR(512) not null,"
"EVENT_NAME VARCHAR(128) not null,"
"OPEN_COUNT INTEGER unsigned not null)") }
"OPEN_COUNT INTEGER unsigned not null)") },
false /* perpetual */
};
PFS_engine_table* table_file_instances::create(void)
@@ -58,6 +60,12 @@ PFS_engine_table* table_file_instances::create(void)
return new table_file_instances();
}
ha_rows
table_file_instances::get_row_count(void)
{
return global_file_container.get_row_count();
}
table_file_instances::table_file_instances()
: PFS_engine_table(&m_share, &m_pos),
m_row_exists(false), m_pos(0), m_next_pos(0)
@@ -73,17 +81,14 @@ int table_file_instances::rnd_next(void)
{
PFS_file *pfs;
for (m_pos.set_at(&m_next_pos);
m_pos.m_index < file_max;
m_pos.next())
m_pos.set_at(&m_next_pos);
PFS_file_iterator it= global_file_container.iterate(m_pos.m_index);
pfs= it.scan_next(& m_pos.m_index);
if (pfs != NULL)
{
pfs= &file_array[m_pos.m_index];
if (pfs->m_lock.is_populated())
{
make_row(pfs);
m_next_pos.set_after(&m_pos);
return 0;
}
make_row(pfs);
m_next_pos.set_after(&m_pos);
return 0;
}
return HA_ERR_END_OF_FILE;
@@ -94,19 +99,20 @@ int table_file_instances::rnd_pos(const void *pos)
PFS_file *pfs;
set_position(pos);
DBUG_ASSERT(m_pos.m_index < file_max);
pfs= &file_array[m_pos.m_index];
if (! pfs->m_lock.is_populated())
return HA_ERR_RECORD_DELETED;
pfs= global_file_container.get(m_pos.m_index);
if (pfs != NULL)
{
make_row(pfs);
return 0;
}
make_row(pfs);
return 0;
return HA_ERR_RECORD_DELETED;
}
void table_file_instances::make_row(PFS_file *pfs)
{
pfs_lock lock;
pfs_optimistic_state lock;
PFS_file_class *safe_class;
m_row_exists= false;