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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-04 18:00:34 +0000
commit3f619478f796eddbba6e39502fe941b285dd97b1 (patch)
treee2c7b5777f728320e5b5542b6213fd3591ba51e2 /storage/perfschema/table_setup_timers.cc
parentInitial commit. (diff)
downloadmariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz
mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/perfschema/table_setup_timers.cc')
-rw-r--r--storage/perfschema/table_setup_timers.cc212
1 files changed, 212 insertions, 0 deletions
diff --git a/storage/perfschema/table_setup_timers.cc b/storage/perfschema/table_setup_timers.cc
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+/* Copyright (c) 2008, 2023, Oracle and/or its affiliates.
+
+ 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,
+ as published by the Free Software Foundation.
+
+ This program is also distributed with certain software (including
+ but not limited to OpenSSL) that is licensed under separate terms,
+ as designated in a particular file or component or in included license
+ documentation. The authors of MySQL hereby grant you an additional
+ permission to link the program and your derivative works with the
+ separately licensed software that they have included with MySQL.
+
+ 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, version 2.0, 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,
+ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
+
+/**
+ @file storage/perfschema/table_setup_timers.cc
+ Table SETUP_TIMERS (implementation).
+*/
+
+#include "my_global.h"
+#include "my_thread.h"
+#include "table_setup_timers.h"
+#include "pfs_column_values.h"
+#include "pfs_timer.h"
+#include "field.h"
+#include "derror.h" /* ER_THD */
+
+#define COUNT_SETUP_TIMERS 5
+
+static row_setup_timers all_setup_timers_data[COUNT_SETUP_TIMERS]=
+{
+ {
+ { C_STRING_WITH_LEN("idle") },
+ &idle_timer
+ },
+ {
+ { C_STRING_WITH_LEN("wait") },
+ &wait_timer
+ },
+ {
+ { C_STRING_WITH_LEN("stage") },
+ &stage_timer
+ },
+ {
+ { C_STRING_WITH_LEN("statement") },
+ &statement_timer
+ },
+ {
+ { C_STRING_WITH_LEN("transaction") },
+ &transaction_timer
+ }
+};
+
+THR_LOCK table_setup_timers::m_table_lock;
+
+PFS_engine_table_share_state
+table_setup_timers::m_share_state = {
+ false /* m_checked */
+};
+
+PFS_engine_table_share
+table_setup_timers::m_share=
+{
+ { C_STRING_WITH_LEN("setup_timers") },
+ &pfs_updatable_acl,
+ table_setup_timers::create,
+ NULL, /* write_row */
+ NULL, /* delete_all_rows */
+ table_setup_timers::get_row_count,
+ sizeof(PFS_simple_index),
+ &m_table_lock,
+ { C_STRING_WITH_LEN("CREATE TABLE setup_timers("
+ "NAME VARCHAR(64) not null comment 'Type of instrument the timer is used for.',"
+ "TIMER_NAME ENUM ('CYCLE', 'NANOSECOND', 'MICROSECOND', 'MILLISECOND', 'TICK') not null comment 'Timer applying to the instrument type. Can be modified.')") },
+ false, /* m_perpetual */
+ false, /* m_optional */
+ &m_share_state
+};
+
+PFS_engine_table* table_setup_timers::create(void)
+{
+ THD *thd = current_thd;
+ push_warning_printf(thd,
+ Sql_condition::WARN_LEVEL_WARN,
+ ER_WARN_DEPRECATED_SYNTAX_NO_REPLACEMENT,
+ ER_THD(thd, ER_WARN_DEPRECATED_SYNTAX_NO_REPLACEMENT),
+ "performance_schema.setup_timers");
+
+ return new table_setup_timers();
+}
+
+ha_rows
+table_setup_timers::get_row_count(void)
+{
+ return COUNT_SETUP_TIMERS;
+}
+
+table_setup_timers::table_setup_timers()
+ : PFS_engine_table(&m_share, &m_pos),
+ m_row(NULL), m_pos(0), m_next_pos(0)
+{}
+
+void table_setup_timers::reset_position(void)
+{
+ m_pos.m_index= 0;
+ m_next_pos.m_index= 0;
+}
+
+int table_setup_timers::rnd_next(void)
+{
+ int result;
+
+ m_pos.set_at(&m_next_pos);
+
+ if (m_pos.m_index < COUNT_SETUP_TIMERS)
+ {
+ m_row= &all_setup_timers_data[m_pos.m_index];
+ m_next_pos.set_after(&m_pos);
+ result= 0;
+ }
+ else
+ {
+ m_row= NULL;
+ result= HA_ERR_END_OF_FILE;
+ }
+
+ return result;
+}
+
+int table_setup_timers::rnd_pos(const void *pos)
+{
+ set_position(pos);
+ assert(m_pos.m_index < COUNT_SETUP_TIMERS);
+ m_row= &all_setup_timers_data[m_pos.m_index];
+ return 0;
+}
+
+int table_setup_timers::read_row_values(TABLE *table,
+ unsigned char *,
+ Field **fields,
+ bool read_all)
+{
+ Field *f;
+
+ assert(m_row);
+
+ /* Set the null bits */
+ assert(table->s->null_bytes == 0);
+
+ for (; (f= *fields) ; fields++)
+ {
+ if (read_all || bitmap_is_set(table->read_set, f->field_index))
+ {
+ switch(f->field_index)
+ {
+ case 0: /* NAME */
+ set_field_varchar_utf8(f, m_row->m_name.str,(uint) m_row->m_name.length);
+ break;
+ case 1: /* TIMER_NAME */
+ set_field_enum(f, *(m_row->m_timer_name_ptr));
+ break;
+ default:
+ assert(false);
+ }
+ }
+ }
+
+ return 0;
+}
+
+int table_setup_timers::update_row_values(TABLE *table,
+ const unsigned char *,
+ const unsigned char *,
+ Field **fields)
+{
+ Field *f;
+ longlong value;
+
+ assert(m_row);
+
+ for (; (f= *fields) ; fields++)
+ {
+ if (bitmap_is_set(table->write_set, f->field_index))
+ {
+ switch(f->field_index)
+ {
+ case 0: /* NAME */
+ return HA_ERR_WRONG_COMMAND;
+ case 1: /* TIMER_NAME */
+ value= get_field_enum(f);
+ if ((value >= FIRST_TIMER_NAME) && (value <= LAST_TIMER_NAME))
+ *(m_row->m_timer_name_ptr)= (enum_timer_name) value;
+ else
+ return HA_ERR_WRONG_COMMAND;
+ break;
+ default:
+ assert(false);
+ }
+ }
+ }
+
+ return 0;
+}
+