✏ 编辑: com_data.h

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 St, Fifth Floor, Boston, MA 02110-1301 USA */
#ifndef PLUGIN_PROTOCOL_INCLUDED
#define PLUGIN_PROTOCOL_INCLUDED

#ifndef MYSQL_ABI_CHECK
#include "my_global.h" /* Needed for my_bool in mysql_com.h */
#include "mysql_com.h" /* mysql_enum_shutdown_level */
#endif

/**
@file
  Definition of COM_DATA to be used with the Command service as data input
  structure.
*/

typedef struct st_com_init_db_data
{
  const char *db_name;
  unsigned long length;
} COM_INIT_DB_DATA;

typedef struct st_com_refresh_data
{
  unsigned char options;
} COM_REFRESH_DATA;

typedef struct st_com_shutdown_data
{
  enum mysql_enum_shutdown_level level;
} COM_SHUTDOWN_DATA;

typedef struct st_com_kill_data
{
  unsigned long id;
} COM_KILL_DATA;

typedef struct st_com_set_option_data
{
  unsigned int opt_command;
} COM_SET_OPTION_DATA;

typedef struct st_com_stmt_execute_data
{
  unsigned long stmt_id;
  unsigned long flags;
  unsigned char *params;
  unsigned long params_length;
} COM_STMT_EXECUTE_DATA;

typedef struct st_com_stmt_fetch_data
{
  unsigned long stmt_id;
  unsigned long num_rows;
} COM_STMT_FETCH_DATA;

typedef struct st_com_stmt_send_long_data_data
{
  unsigned long stmt_id;
  unsigned int  param_number;
  unsigned char *longdata;
  unsigned long length;
} COM_STMT_SEND_LONG_DATA_DATA;

typedef struct st_com_stmt_prepare_data
{
  const char *query;
  unsigned int length;
} COM_STMT_PREPARE_DATA;

typedef struct st_stmt_close_data
{
  unsigned int stmt_id;
} COM_STMT_CLOSE_DATA;

typedef struct st_com_stmt_reset_data
{
  unsigned int stmt_id;
} COM_STMT_RESET_DATA;

typedef struct st_com_query_data
{
  const char *query;
  unsigned int length;
} COM_QUERY_DATA;

typedef struct st_com_field_list_data
{
  unsigned char   *table_name;
  unsigned int    table_name_length;
  const unsigned char *query;
  unsigned int        query_length;
} COM_FIELD_LIST_DATA;

union COM_DATA {
  COM_INIT_DB_DATA com_init_db;
  COM_REFRESH_DATA com_refresh;
  COM_SHUTDOWN_DATA com_shutdown;
  COM_KILL_DATA com_kill;
  COM_SET_OPTION_DATA com_set_option;
  COM_STMT_EXECUTE_DATA com_stmt_execute;
  COM_STMT_FETCH_DATA com_stmt_fetch;
  COM_STMT_SEND_LONG_DATA_DATA com_stmt_send_long_data;
  COM_STMT_PREPARE_DATA com_stmt_prepare;
  COM_STMT_CLOSE_DATA com_stmt_close;
  COM_STMT_RESET_DATA com_stmt_reset;
  COM_QUERY_DATA com_query;
  COM_FIELD_LIST_DATA com_field_list;
};

#endif /* PLUGIN_PROTOCOL_INCLUDED */

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