/* Copyright (c) 2014, 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,
  51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA */

#ifndef PFS_PS_H
#define PFS_PS_H

/**
  @file storage/perfschema/pfs_prepared_statement.h
  Stored Program data structures (declarations).
*/

#include "pfs_stat.h"
#include "mysql/psi/psi.h"
#include "mysql/psi/mysql_ps.h"
#include "pfs_program.h"

#define PS_NAME_LENGTH NAME_LEN

struct PFS_ALIGNED PFS_prepared_stmt : public PFS_instr
{
  /** Column OBJECT_INSTANCE_BEGIN */
  const void *m_identity;

  /** STATEMENT_ID */
  ulonglong m_stmt_id;

  /** STATEMENT_NAME */
  char m_stmt_name[PS_NAME_LENGTH];
  uint m_stmt_name_length;

  /** SQL_TEXT */
  char m_sqltext[COL_INFO_SIZE];
  uint m_sqltext_length;

  /** Column OWNER_THREAD_ID */
  ulonglong m_owner_thread_id;

  /** Column OWNER_EVENT_ID. */
  ulonglong m_owner_event_id;

  /** Column OBJECT_OWNER_TYPE. */
  enum_object_type m_owner_object_type;

  /** Column OBJECT_OWNER_SCHEMA. */
  char m_owner_object_schema[COL_OBJECT_SCHEMA_SIZE];
  uint m_owner_object_schema_length;

  /** Column OBJECT_OWNER_NAME. */
  char m_owner_object_name[COL_OBJECT_NAME_SIZE];
  uint m_owner_object_name_length;

  /** COLUMN TIMER_PREPARE. Prepared stmt prepare stat. */
  PFS_single_stat m_prepare_stat;

  /** COLUMN COUNT_REPREPARE. Prepared stmt reprepare stat. */
  PFS_single_stat m_reprepare_stat;

  /** Prepared stmt execution stat. */
  PFS_statement_stat m_execute_stat;

  /** Reset data for this record. */
  void reset_data();
};

int init_prepared_stmt(const PFS_global_param *param);
void cleanup_prepared_stmt(void);

void reset_prepared_stmt_instances();

PFS_prepared_stmt*
create_prepared_stmt(void *identity,
                     PFS_thread *thread, PFS_program *pfs_program,
                     PFS_events_statements *pfs_stmt, uint stmt_id,
                     const char* stmt_name, uint stmt_name_length);
void delete_prepared_stmt(PFS_prepared_stmt *pfs_ps);
#endif