Adding upstream version 1:10.5.12.upstream/1%10.5.12upstream

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

1 files changed, 303 insertions, 0 deletions

diff --git a/storage/perfschema/table_os_global_by_type.cc b/storage/perfschema/table_os_global_by_type.cc
new file mode 100644
index 00000000..f693a0f1
--- /dev/null
+++ b/storage/perfschema/table_os_global_by_type.cc
@@ -0,0 +1,303 @@
+/* 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, 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_os_global_by_type.cc
+  Table OBJECTS_SUMMARY_GLOBAL_BY_TYPE (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_os_global_by_type.h"
+#include "pfs_global.h"
+#include "pfs_buffer_container.h"
+#include "field.h"
+
+THR_LOCK table_os_global_by_type::m_table_lock;
+
+PFS_engine_table_share
+table_os_global_by_type::m_share=
+{
+  { C_STRING_WITH_LEN("objects_summary_global_by_type") },
+  &pfs_truncatable_acl,
+  table_os_global_by_type::create,
+  NULL, /* write_row */
+  table_os_global_by_type::delete_all_rows,
+  table_os_global_by_type::get_row_count,
+  sizeof(pos_os_global_by_type),
+  &m_table_lock,
+  { C_STRING_WITH_LEN("CREATE TABLE objects_summary_global_by_type("
+                      "OBJECT_TYPE VARCHAR(64),"
+                      "OBJECT_SCHEMA VARCHAR(64),"
+                      "OBJECT_NAME VARCHAR(64),"
+                      "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)") },
+  false  /* perpetual */
+};
+
+PFS_engine_table*
+table_os_global_by_type::create(void)
+{
+  return new table_os_global_by_type();
+}
+
+int
+table_os_global_by_type::delete_all_rows(void)
+{
+  reset_table_waits_by_table_handle();
+  reset_table_waits_by_table();
+  return 0;
+}
+
+ha_rows
+table_os_global_by_type::get_row_count(void)
+{
+  return global_table_share_container.get_row_count() +
+    global_program_container.get_row_count();
+}
+
+table_os_global_by_type::table_os_global_by_type()
+  : PFS_engine_table(&m_share, &m_pos),
+    m_row_exists(false), m_pos(), m_next_pos()
+{}
+
+void table_os_global_by_type::reset_position(void)
+{
+  m_pos.reset();
+  m_next_pos.reset();
+}
+
+int table_os_global_by_type::rnd_next(void)
+{
+  for (m_pos.set_at(&m_next_pos);
+       m_pos.has_more_view();
+       m_pos.next_view())
+  {
+    switch (m_pos.m_index_1) {
+    case pos_os_global_by_type::VIEW_TABLE:
+      {
+        PFS_table_share *table_share;
+        bool has_more_share= true;
+
+        for (;
+             has_more_share;
+             m_pos.m_index_2++)
+        {
+          table_share= global_table_share_container.get(m_pos.m_index_2, & has_more_share);
+          if (table_share != NULL)
+          {
+            make_table_row(table_share);
+            m_next_pos.set_after(&m_pos);
+            return 0;
+          }
+        }
+      }
+      break;
+    case pos_os_global_by_type::VIEW_PROGRAM:
+      {
+        PFS_program *pfs_program;
+        bool has_more_program= true;
+
+        for (;
+             has_more_program;
+             m_pos.m_index_2++)
+        {
+          pfs_program= global_program_container.get(m_pos.m_index_2, & has_more_program);
+          if (pfs_program != NULL)
+          {
+            make_program_row(pfs_program);
+            m_next_pos.set_after(&m_pos);
+            return 0;
+          }
+        }
+      }
+      break;
+    default:
+      break;
+    }
+  }
+
+  return HA_ERR_END_OF_FILE;
+}
+
+int
+table_os_global_by_type::rnd_pos(const void *pos)
+{
+  set_position(pos);
+
+  switch (m_pos.m_index_1) {
+  case pos_os_global_by_type::VIEW_TABLE:
+    {
+      PFS_table_share *table_share;
+      table_share= global_table_share_container.get(m_pos.m_index_2);
+      if (table_share != NULL)
+      {
+        make_table_row(table_share);
+        return 0;
+      }
+    }
+    break;
+  case pos_os_global_by_type::VIEW_PROGRAM:
+    {
+      PFS_program *pfs_program;
+      pfs_program= global_program_container.get(m_pos.m_index_2);
+      if (pfs_program != NULL)
+      {
+        make_program_row(pfs_program);
+        return 0;
+      }
+    }
+    break;
+  default:
+    break;
+  }
+
+  return HA_ERR_RECORD_DELETED;
+}
+
+void table_os_global_by_type::make_program_row(PFS_program *pfs_program)
+{
+  pfs_optimistic_state lock;
+  PFS_single_stat cumulated_stat;
+
+  m_row_exists= false;
+
+  pfs_program->m_lock.begin_optimistic_lock(&lock);
+
+  m_row.m_object.make_row(pfs_program);
+
+  time_normalizer *normalizer= time_normalizer::get(wait_timer);
+  m_row.m_stat.set(normalizer, &pfs_program->m_sp_stat.m_timer1_stat);
+
+  if (! pfs_program->m_lock.end_optimistic_lock(&lock))
+    return;
+
+  m_row_exists= true;
+}
+
+void table_os_global_by_type::make_table_row(PFS_table_share *share)
+{
+  pfs_optimistic_state lock;
+  PFS_single_stat cumulated_stat;
+  uint safe_key_count;
+
+  m_row_exists= false;
+
+  share->m_lock.begin_optimistic_lock(&lock);
+
+  m_row.m_object.make_row(share);
+
+  /* This is a dirty read, some thread can write data while we are reading it */
+  safe_key_count= sanitize_index_count(share->m_key_count);
+
+  share->sum(& cumulated_stat, safe_key_count);
+
+  if (! share->m_lock.end_optimistic_lock(&lock))
+    return;
+
+  m_row_exists= true;
+
+  if (share->get_refcount() > 0)
+  {
+    /* For all the table handles still opened ... */
+    PFS_table_iterator it= global_table_container.iterate();
+    PFS_table *table= it.scan_next();
+
+    while (table != NULL)
+    {
+      if (table->m_share == share)
+      {
+        /*
+          If the opened table handle is for this table share,
+          aggregate the table handle statistics.
+        */
+        table->m_table_stat.sum(& cumulated_stat, safe_key_count);
+      }
+      table= it.scan_next();
+    }
+  }
+
+  time_normalizer *normalizer= time_normalizer::get(wait_timer);
+  m_row.m_stat.set(normalizer, &cumulated_stat);
+}
+
+int table_os_global_by_type::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 */
+  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 */
+        set_field_object_type(f, m_row.m_object.m_object_type);
+        break;
+      case 1: /* SCHEMA_NAME */
+        set_field_varchar_utf8(f, m_row.m_object.m_schema_name,
+                               m_row.m_object.m_schema_name_length);
+        break;
+      case 2: /* OBJECT_NAME */
+        set_field_varchar_utf8(f, m_row.m_object.m_object_name,
+                               m_row.m_object.m_object_name_length);
+        break;
+      case 3: /* COUNT */
+        set_field_ulonglong(f, m_row.m_stat.m_count);
+        break;
+      case 4: /* SUM */
+        set_field_ulonglong(f, m_row.m_stat.m_sum);
+        break;
+      case 5: /* MIN */
+        set_field_ulonglong(f, m_row.m_stat.m_min);
+        break;
+      case 6: /* AVG */
+        set_field_ulonglong(f, m_row.m_stat.m_avg);
+        break;
+      case 7: /* MAX */
+        set_field_ulonglong(f, m_row.m_stat.m_max);
+        break;
+      default:
+        DBUG_ASSERT(false);
+      }
+    }
+  }
+
+  return 0;
+}
+