1 files changed, 71 insertions, 0 deletions
diff --git a/storage/perfschema/cursor_by_thread_connect_attr.cc b/storage/perfschema/cursor_by_thread_connect_attr.cc
new file mode 100644
index 00000000000..7a0dd04119d
--- /dev/null
+++ b/storage/perfschema/cursor_by_thread_connect_attr.cc
@@ -0,0 +1,71 @@
+/* Copyright (c) 2008, 2011, 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,
+  51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */
+
+#include "my_global.h"
+#include "cursor_by_thread_connect_attr.h"
+
+cursor_by_thread_connect_attr::cursor_by_thread_connect_attr(
+  const PFS_engine_table_share *share) :
+  PFS_engine_table(share, &m_pos), m_row_exists(false)
+{}
+
+int cursor_by_thread_connect_attr::rnd_next(void)
+{
+  PFS_thread *thread;
+
+  for (m_pos.set_at(&m_next_pos);
+       m_pos.has_more_thread();
+       m_pos.next_thread())
+  {
+    thread= &thread_array[m_pos.m_index_1];
+
+    if (thread->m_lock.is_populated())
+    {
+      make_row(thread, m_pos.m_index_2);
+      if (m_row_exists)
+      {
+        m_next_pos.set_after(&m_pos);
+        return 0;
+      }
+    }
+  }
+  return HA_ERR_END_OF_FILE;
+}
+
+
+int cursor_by_thread_connect_attr::rnd_pos(const void *pos)
+{
+  PFS_thread *thread;
+
+  set_position(pos);
+  DBUG_ASSERT(m_pos.m_index_1 < thread_max);
+
+  thread= &thread_array[m_pos.m_index_1];
+  if (!thread->m_lock.is_populated())
+    return HA_ERR_RECORD_DELETED;
+
+  make_row(thread, m_pos.m_index_2);
+  if (m_row_exists)
+    return 0;
+
+  return HA_ERR_RECORD_DELETED;
+}
+
+
+void cursor_by_thread_connect_attr::reset_position(void)
+{
+  m_pos.reset();
+  m_next_pos.reset();
+}