Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 233 insertions, 0 deletions

diff --git a/storage/perfschema/table_esms_by_digest.cc b/storage/perfschema/table_esms_by_digest.cc
new file mode 100644
index 00000000..0dccaf1a
--- /dev/null
+++ b/storage/perfschema/table_esms_by_digest.cc
@@ -0,0 +1,233 @@
+/* Copyright (c) 2010, 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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335  USA */
+
+/**
+  @file storage/perfschema/table_esms_by_digest.cc
+  Table EVENTS_STATEMENTS_SUMMARY_GLOBAL_BY_DIGEST (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 "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"
+#include "field.h"
+
+THR_LOCK table_esms_by_digest::m_table_lock;
+
+PFS_engine_table_share_state
+table_esms_by_digest::m_share_state = {
+  false /* m_checked */
+};
+
+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,
+  table_esms_by_digest::get_row_count,
+  sizeof(PFS_simple_index),
+  &m_table_lock,
+  { C_STRING_WITH_LEN("CREATE TABLE events_statements_summary_by_digest("
+                      "SCHEMA_NAME VARCHAR(64) comment 'Database name. Records are summarised together with DIGEST.',"
+                      "DIGEST VARCHAR(32) comment 'Performance Schema digest. Records are summarised together with SCHEMA NAME.',"
+                      "DIGEST_TEXT LONGTEXT comment 'The unhashed form of the digest.',"
+                      "COUNT_STAR BIGINT unsigned not null comment 'Number of summarized events',"
+                      "SUM_TIMER_WAIT BIGINT unsigned not null comment 'Total wait time of the summarized events that are timed.',"
+                      "MIN_TIMER_WAIT BIGINT unsigned not null comment 'Minimum wait time of the summarized events that are timed.',"
+                      "AVG_TIMER_WAIT BIGINT unsigned not null comment 'Average wait time of the summarized events that are timed.',"
+                      "MAX_TIMER_WAIT BIGINT unsigned not null comment 'Maximum wait time of the summarized events that are timed.',"
+                      "SUM_LOCK_TIME BIGINT unsigned not null comment 'Sum of the LOCK_TIME column in the events_statements_current table.',"
+                      "SUM_ERRORS BIGINT unsigned not null comment 'Sum of the ERRORS column in the events_statements_current table.',"
+                      "SUM_WARNINGS BIGINT unsigned not null comment 'Sum of the WARNINGS column in the events_statements_current table.',"
+                      "SUM_ROWS_AFFECTED BIGINT unsigned not null comment 'Sum of the ROWS_AFFECTED column in the events_statements_current table.',"
+                      "SUM_ROWS_SENT BIGINT unsigned not null comment 'Sum of the ROWS_SENT column in the events_statements_current table.',"
+                      "SUM_ROWS_EXAMINED BIGINT unsigned not null comment 'Sum of the ROWS_EXAMINED column in the events_statements_current table.',"
+                      "SUM_CREATED_TMP_DISK_TABLES BIGINT unsigned not null comment 'Sum of the CREATED_TMP_DISK_TABLES column in the events_statements_current table.',"
+                      "SUM_CREATED_TMP_TABLES BIGINT unsigned not null comment 'Sum of the CREATED_TMP_TABLES column in the events_statements_current table.',"
+                      "SUM_SELECT_FULL_JOIN BIGINT unsigned not null comment 'Sum of the SELECT_FULL_JOIN column in the events_statements_current table.',"
+                      "SUM_SELECT_FULL_RANGE_JOIN BIGINT unsigned not null comment 'Sum of the SELECT_FULL_RANGE_JOIN column in the events_statements_current table.',"
+                      "SUM_SELECT_RANGE BIGINT unsigned not null comment 'Sum of the SELECT_RANGE column in the events_statements_current table.',"
+                      "SUM_SELECT_RANGE_CHECK BIGINT unsigned not null comment 'Sum of the SELECT_RANGE_CHECK column in the events_statements_current table.',"
+                      "SUM_SELECT_SCAN BIGINT unsigned not null comment 'Sum of the SELECT_SCAN column in the events_statements_current table.',"
+                      "SUM_SORT_MERGE_PASSES BIGINT unsigned not null comment 'Sum of the SORT_MERGE_PASSES column in the events_statements_current table.',"
+                      "SUM_SORT_RANGE BIGINT unsigned not null comment 'Sum of the SORT_RANGE column in the events_statements_current table.',"
+                      "SUM_SORT_ROWS BIGINT unsigned not null comment 'Sum of the SORT_ROWS column in the events_statements_current table.',"
+                      "SUM_SORT_SCAN BIGINT unsigned not null comment 'Sum of the SORT_SCAN column in the events_statements_current table.',"
+                      "SUM_NO_INDEX_USED BIGINT unsigned not null comment 'Sum of the NO_INDEX_USED column in the events_statements_current table.',"
+                      "SUM_NO_GOOD_INDEX_USED BIGINT unsigned not null comment 'Sum of the NO_GOOD_INDEX_USED column in the events_statements_current table.',"
+                      "FIRST_SEEN TIMESTAMP(0) NOT NULL default 0 comment 'Time at which the digest was first seen.',"
+                      "LAST_SEEN TIMESTAMP(0) NOT NULL default 0 comment 'Time at which the digest was most recently seen.')") },
+  false, /* m_perpetual */
+  false, /* m_optional */
+  &m_share_state
+};
+
+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;
+}
+
+ha_rows
+table_esms_by_digest::get_row_count(void)
+{
+  return digest_max;
+}
+
+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.
+  */
+  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;
+}
+