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diff --git a/storage/perfschema/table_socket_summary_by_instance.h b/storage/perfschema/table_socket_summary_by_instance.h
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+++ b/storage/perfschema/table_socket_summary_by_instance.h
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+/* 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 */
+
+#ifndef TABLE_SOCKET_SUMMARY_BY_INSTANCE_H
+#define TABLE_SOCKET_SUMMARY_BY_INSTANCE_H
+
+/**
+  @file storage/perfschema/table_socket_summary_by_instance.h
+  Table SOCKET_SUMMARY_BY_INSTANCE (declarations).
+*/
+
+#include "pfs_column_types.h"
+#include "pfs_engine_table.h"
+#include "pfs_instr_class.h"
+#include "pfs_instr.h"
+#include "table_helper.h"
+
+/**
+  @addtogroup Performance_schema_tables
+  @{
+*/
+
+/**
+  A row of table
+  PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_INSTANCE.
+*/
+struct row_socket_summary_by_instance
+{
+  /** Column EVENT_NAME. */
+  PFS_event_name_row m_event_name;
+
+  /** Column OBJECT_INSTANCE_BEGIN */
+  const void *m_identity;
+
+  /** Columns COUNT_STAR, SUM/MIN/AVG/MAX TIMER and NUMBER_OF_BYTES for each operation. */
+  PFS_socket_io_stat_row m_io_stat;
+};
+
+/** Table PERFORMANCE_SCHEMA.SOCKET_SUMMARY_BY_INSTANCE. */
+class table_socket_summary_by_instance : public PFS_engine_table
+{
+public:
+  /** Table share */
+  static PFS_engine_table_share m_share;
+  static PFS_engine_table* create();
+  static int delete_all_rows();
+
+  virtual int rnd_next();
+  virtual int rnd_pos(const void *pos);
+  virtual void reset_position(void);
+
+private:
+  virtual int read_row_values(TABLE *table,
+                              unsigned char *buf,
+                              Field **fields,
+                              bool read_all);
+
+  table_socket_summary_by_instance();
+
+public:
+  ~table_socket_summary_by_instance()
+  {}
+
+private:
+  void make_row(PFS_socket *pfs);
+
+  /** Table share lock. */
+  static THR_LOCK m_table_lock;
+  /** Fields definition. */
+  static TABLE_FIELD_DEF m_field_def;
+
+  /** Current row. */
+  row_socket_summary_by_instance m_row;
+  /** True if the current row exists. */
+  bool m_row_exists;
+  /** Current position. */
+  PFS_simple_index m_pos;
+  /** Next position. */
+  PFS_simple_index m_next_pos;
+};
+
+/** @} */
+#endif