~mkindahl/drizzle/remove-mem-casts : revision 212

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This program is free software; you can redistribute it and/or modify

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it under the terms of the GNU General Public License as published by

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along with this program; if not, write to the Free Software

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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */

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/*

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/*

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18

TODO: print the catalog (some USE catalog.db ????).

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Standalone program to read a MySQL binary log (or relay log);

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can read files produced by 3.23, 4.x, 5.0 servers.

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Standalone program to read a Drizzle binary log (or relay log);

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can read files produced by 3.23, 4.x, 5.0 servers.

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Can read binlogs from 3.23/4.x/5.0 and relay logs from 4.x/5.0.

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Should be able to read any file of these categories, even with

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#include <errmsg.h>

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#include <my_getopt.h>

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/* That one is necessary for defines of OPTION_NO_FOREIGN_KEY_CHECKS etc */

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#include "mysql_priv.h"

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#include "mysql_priv.h"

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#include "log_event.h"

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#include "sql_common.h"

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enum options_drizzlebinlog

47

{

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OPT_CHARSETS_DIR=256, OPT_BASE64_OUTPUT_MODE,

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OPT_DEBUG_CHECK, OPT_DEBUG_INFO, OPT_MYSQL_PROTOCOL,

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OPT_DEBUG_CHECK, OPT_DEBUG_INFO, OPT_DRIZZLE_PROTOCOL,

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OPT_SERVER_ID, OPT_SET_CHARSET, OPT_START_DATETIME,

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OPT_START_POSITION, OPT_STOP_DATETIME, OPT_STOP_POSITION,

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OPT_OPEN_FILES_LIMIT

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};

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#define BIN_LOG_HEADER_SIZE 4

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#define PROBE_HEADER_LEN (EVENT_LEN_OFFSET+4)

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#define CLIENT_CAPABILITIES (CLIENT_LONG_PASSWORD | CLIENT_LONG_FLAG | CLIENT_LOCAL_FILES)

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#define BIN_LOG_HEADER_SIZE 4

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#define PROBE_HEADER_LEN (EVENT_LEN_OFFSET+4)

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58

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#define CLIENT_CAPABILITIES (CLIENT_LONG_PASSWORD | CLIENT_LONG_FLAG | CLIENT_LOCAL_FILES)

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char server_version[SERVER_VERSION_LENGTH];

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ulong server_id = 0;

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// needed by net_serv.c

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ulong bytes_sent = 0L, bytes_received = 0L;

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ulong mysqld_net_retry_count = 10L;

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ulong drizzled_net_retry_count = 10L;

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ulong open_files_limit;

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uint test_flags = 0;

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uint test_flags = 0;

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static uint opt_protocol= 0;

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static FILE *result_file;

71

72

static const char *load_default_groups[]= { "mysqlbinlog","client",0 };

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static const char *load_default_groups[]= { "drizzlebinlog","client",0 };

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static void error(const char *format, ...) ATTRIBUTE_FORMAT(printf, 1, 2);

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static void warning(const char *format, ...) ATTRIBUTE_FORMAT(printf, 1, 2);

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static char *start_datetime_str, *stop_datetime_str;

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static my_time_t start_datetime= 0, stop_datetime= MY_TIME_T_MAX;

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static uint64_t rec_count= 0;

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static short binlog_flags = 0;

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static MYSQL* mysql = NULL;

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static short binlog_flags = 0;

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static DRIZZLE *drizzle= NULL;

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static const char* dirname_for_local_load= 0;

108

109

/**

184

/* If we have to try more than 1000 times, something is seriously wrong */

185

for (uint version= 0; version<1000; version++)

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{

187

sprintf(file_name_end,"-%x",version);

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if ((res= my_create(filename,0,

189

O_CREAT|O_EXCL|O_BINARY|O_WRONLY,MYF(0)))!=-1)

190

return res;

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sprintf(file_name_end,"-%x",version);

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if ((res= my_create(filename,0,

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O_CREAT|O_EXCL|O_BINARY|O_WRONLY,MYF(0)))!=-1)

190

return res;

191

}

192

return -1;

193

}

199

int init()

200

{

201

return init_dynamic_array(&file_names, sizeof(File_name_record),

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100,100 CALLER_INFO);

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100,100 CALLER_INFO);

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}

204

205

void init_by_dir_name(const char *dir)

206

{

207

target_dir_name_len= (convert_dirname(target_dir_name, dir, NullS) -

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target_dir_name);

208

target_dir_name);

209

}

210

void init_by_cur_dir()

211

{

212

if (my_getwd(target_dir_name,sizeof(target_dir_name),MYF(MY_WME)))

213

exit(1);

213

exit(1);

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target_dir_name_len= strlen(target_dir_name);

215

}

216

void destroy()

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@return File handle >= 0 on success, -1 on error.

313

*/

314

File Load_log_processor::prepare_new_file_for_old_format(Load_log_event *le,

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char *filename)

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char *filename)

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{

317

uint len;

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char *tail;

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File file;

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fn_format(filename, le->fname, target_dir_name, "", MY_REPLACE_DIR);

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len= strlen(filename);

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tail= filename + len;

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if ((file= create_unique_file(filename,tail)) < 0)

326

{

327

error("Could not construct local filename %s.",filename);

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return -1;

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}

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331

le->set_fname_outside_temp_buf(filename,len+strlen(tail));

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return file;

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}

335

362

error("Failed requesting the remote dump of %s.", server_fname);

363

return ERROR_STOP;

364

}

365

366

for (;;)

367

{

368

ulong packet_len = my_net_read(net);

374

return ERROR_STOP;

375

}

376

/*

377

we just need to send something, as the server will read but

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not examine the packet - this is because mysql_load() sends

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an OK when it is done

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we just need to send something, as the server will read but

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not examine the packet - this is because drizzle_load() sends

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an OK when it is done

380

*/

381

break;

382

}

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error("Failed reading a packet during the dump of %s.", server_fname);

386

return ERROR_STOP;

387

}

388

389

if (packet_len > UINT_MAX)

390

{

391

error("Illegal length of packet read from net.");

392

return ERROR_STOP;

393

}

394

if (my_write(file, (uchar*) net->read_pos,

395

(uint) packet_len, MYF(MY_WME|MY_NABP)))

394

if (my_write(file, (uchar*) net->read_pos,

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(uint) packet_len, MYF(MY_WME|MY_NABP)))

396

return ERROR_STOP;

397

}

398

399

return OK_CONTINUE;

400

}

401

552

File file;

553

Exit_status retval= OK_CONTINUE;

554

if (((file= my_open(fname,

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O_APPEND|O_BINARY|O_WRONLY,MYF(MY_WME))) < 0))

555

O_APPEND|O_BINARY|O_WRONLY,MYF(MY_WME))) < 0))

556

{

557

error("Failed opening file %s", fname);

558

return(ERROR_STOP);

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587

/**

588

Replace windows-style backslashes by forward slashes so it can be

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consumed by the mysql client, which requires Unix path.

589

consumed by the drizzle client, which requires Unix path.

590

591

@todo This is only useful under windows, so may be ifdef'ed out on

592

other systems. /Sven

757

if (shall_skip_database(ce->db))

758

goto end; // Next event

759

/*

760

We print the event, but with a leading '#': this is just to inform

761

the user of the original command; the command we want to execute

762

will be a derivation of this original command (we will change the

763

filename and use LOCAL), prepared in the 'case EXEC_LOAD_EVENT'

764

below.

760

We print the event, but with a leading '#': this is just to inform

761

the user of the original command; the command we want to execute

762

will be a derivation of this original command (we will change the

763

filename and use LOCAL), prepared in the 'case EXEC_LOAD_EVENT'

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below.

765

*/

766

if (opt_base64_output_mode == BASE64_OUTPUT_ALWAYS)

767

{

805

Execute_load_log_event *exv= (Execute_load_log_event*)ev;

806

Create_file_log_event *ce= load_processor.grab_event(exv->file_id);

807

/*

808

if ce is 0, it probably means that we have not seen the Create_file

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event (a bad binlog, or most probably --start-position is after the

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Create_file event). Print a warning comment.

808

if ce is 0, it probably means that we have not seen the Create_file

809

event (a bad binlog, or most probably --start-position is after the

810

Create_file event). Print a warning comment.

811

*/

812

if (ce)

813

{

816

my_open() in Load_log_processor::append().

817

*/

818

convert_path_to_forward_slashes((char*) ce->fname);

819

ce->print(result_file, print_event_info, true);

820

my_free((char*)ce->fname,MYF(MY_WME));

821

delete ce;

819

ce->print(result_file, print_event_info, true);

820

my_free((char*)ce->fname,MYF(MY_WME));

821

delete ce;

822

}

823

else

824

warning("Ignoring Execute_load_log_event as there is no "

843

(glob_description_event->flags & LOG_EVENT_BINLOG_IN_USE_F))

844

{

845

error("Attempting to dump binlog '%s', which was not closed properly. "

846

"Most probably, mysqld is still writing it, or it crashed. "

846

"Most probably, drizzled is still writing it, or it crashed. "

847

"Rerun with --force-if-open to ignore this problem.", logname);

848

return(ERROR_STOP);

849

}

872

}

873

874

if (fname)

875

my_free(fname, MYF(MY_WME));

875

my_free(fname, MYF(MY_WME));

876

break;

877

}

878

case TABLE_MAP_EVENT:

946

(char**) &opt_base64_output_mode_str,

947

0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},

948

/*

949

mysqlbinlog needs charsets knowledge, to be able to convert a charset

949

drizzlebinlog needs charsets knowledge, to be able to convert a charset

950

number found in binlog to a charset name (to be able to print things

951

like this:

952

SET @`a`:=_cp850 0x4DFC6C6C6572 COLLATE `cp850_general_ci`;

964

(char**) &debug_info_flag, (char**) &debug_info_flag,

965

0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},

966

{"disable-log-bin", 'D', "Disable binary log. This is useful, if you "

967

"enabled --to-last-log and are sending the output to the same MySQL server. "

967

"enabled --to-last-log and are sending the output to the same DRIZZLE server. "

968

"This way you could avoid an endless loop. You would also like to use it "

969

"when restoring after a crash to avoid duplication of the statements you "

970

"already have. NOTE: you will need a SUPER privilege to use this option.",

1001

REQUIRED_ARG, BIN_LOG_HEADER_SIZE, BIN_LOG_HEADER_SIZE,

1002

/* COM_BINLOG_DUMP accepts only 4 bytes for the position */

1003

(uint64_t)(~(uint32_t)0), 0, 0, 0},

1004

{"protocol", OPT_MYSQL_PROTOCOL,

1004

{"protocol", OPT_DRIZZLE_PROTOCOL,

1005

"The protocol of connection (tcp,socket,pipe,memory).",

1006

0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},

1007

{"read-from-remote-server", 'R', "Read binary logs from a MySQL server",

1007

{"read-from-remote-server", 'R', "Read binary logs from a Drizzle server",

1008

(char**) &remote_opt, (char**) &remote_opt, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,

1009

0, 0},

1010

{"result-file", 'r', "Direct output to a given file.", 0, 0, 0, GET_STR,

1023

(char**) &short_form, (char**) &short_form, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,

1024

0, 0},

1025

{"socket", 'S', "Socket file to use for connection.",

1026

(char**) &sock, (char**) &sock, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0,

1026

(char**) &sock, (char**) &sock, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0,

1027

0, 0},

1028

{"start-datetime", OPT_START_DATETIME,

1029

"Start reading the binlog at first event having a datetime equal or "

1030

"posterior to the argument; the argument must be a date and time "

1031

"in the local time zone, in any format accepted by the MySQL server "

1031

"in the local time zone, in any format accepted by the Drizzle server "

1032

"for DATETIME and TIMESTAMP types, for example: 2004-12-25 11:25:56 "

1033

"(you should probably use quotes for your shell to set it properly).",

1034

(char**) &start_datetime_str, (char**) &start_datetime_str,

1043

{"stop-datetime", OPT_STOP_DATETIME,

1044

"Stop reading the binlog at first event having a datetime equal or "

1045

"posterior to the argument; the argument must be a date and time "

1046

"in the local time zone, in any format accepted by the MySQL server "

1046

"in the local time zone, in any format accepted by the Drizzle server "

1047

"for DATETIME and TIMESTAMP types, for example: 2004-12-25 11:25:56 "

1048

"(you should probably use quotes for your shell to set it properly).",

1049

(char**) &stop_datetime_str, (char**) &stop_datetime_str,

1056

(uint64_t)(~(my_off_t)0), 0, 0, 0},

1057

{"to-last-log", 't', "Requires -R. Will not stop at the end of the \

1058

requested binlog but rather continue printing until the end of the last \

1059

binlog of the MySQL server. If you send the output to the same MySQL server, \

1059

binlog of the DRIZZLE server. If you send the output to the same DRIZZLE server, \

1060

that may lead to an endless loop.",

1061

(char**) &to_last_remote_log, (char**) &to_last_remote_log, 0, GET_BOOL,

1062

NO_ARG, 0, 0, 0, 0, 0, 0},

1147

my_free((char*) dirname_for_local_load, MYF(MY_ALLOW_ZERO_PTR));

1148

1149

delete glob_description_event;

1150

if (mysql)

1151

mysql_close(mysql);

1150

if (drizzle)

1151

drizzle_close(drizzle);

1152

}

1153

1154

static void print_version()

1164

and you are welcome to modify and redistribute it under the GPL license\n");

1165

1166

printf("\

1167

Dumps a MySQL binary log in a format usable for viewing or for piping to\n\

1168

the mysql command line client\n\n");

1167

Dumps a DRIZZLE binary log in a format usable for viewing or for piping to\n\

1168

the Drizzle command line client\n\n");

1169

printf("Usage: %s [options] log-files\n", my_progname);

1170

my_print_help(my_long_options);

1171

my_print_variables(my_long_options);

1187

}

1188

/*

1189

Note that Feb 30th, Apr 31st cause no error messages and are mapped to

1190

the next existing day, like in mysqld. Maybe this could be changed when

1191

mysqld is changed too (with its "strict" mode?).

1190

the next existing day, like in drizzled. Maybe this could be changed when

1191

drizzled is changed too (with its "strict" mode?).

1192

*/

1193

return

1194

my_system_gmt_sec(&l_time, &dummy_my_timezone, &dummy_in_dst_time_gap);

1196

1197

extern "C" bool

1198

get_one_option(int optid, const struct my_option *opt __attribute__((unused)),

1199

char *argument)

1199

char *argument)

1200

{

1201

bool tty_password=0;

1202

switch (optid) {

1209

my_free(pass,MYF(MY_ALLOW_ZERO_PTR));

1210

char *start=argument;

1211

pass= my_strdup(argument,MYF(MY_FAE));

1212

while (*argument) *argument++= 'x'; /* Destroy argument */

1212

while (*argument) *argument++= 'x'; /* Destroy argument */

1213

if (*start)

1214

start[1]=0; /* Cut length of argument */

1214

start[1]=0; /* Cut length of argument */

1215

}

1216

else

1217

tty_password=1;

1223

case 'R':

1224

remote_opt= 1;

1225

break;

1226

case OPT_MYSQL_PROTOCOL:

1226

case OPT_DRIZZLE_PROTOCOL:

1227

opt_protocol= find_type_or_exit(argument, &sql_protocol_typelib,

1228

opt->name);

1229

break;

1273

1274

1275

/**

1276

Create and initialize the global mysql object, and connect to the

1276

Create and initialize the global drizzle object, and connect to the

1277

server.

1278

1279

@retval ERROR_STOP An error occurred - the program should terminate.

1281

*/

1282

static Exit_status safe_connect()

1283

{

1284

mysql= mysql_init(NULL);

1284

drizzle= drizzle_create(NULL);

1285

1286

if (!mysql)

1286

if (!drizzle)

1287

{

1288

error("Failed on mysql_init.");

1288

error("Failed on drizzle_create.");

1289

return ERROR_STOP;

1290

}

1291

1292

if (opt_protocol)

1293

mysql_options(mysql, MYSQL_OPT_PROTOCOL, (char*) &opt_protocol);

1294

if (!mysql_real_connect(mysql, host, user, pass, 0, port, sock, 0))

1293

drizzle_options(drizzle, DRIZZLE_OPT_PROTOCOL, (char*) &opt_protocol);

1294

if (!drizzle_connect(drizzle, host, user, pass, 0, port, sock, 0))

1295

{

1296

error("Failed on connect: %s", mysql_error(mysql));

1296

error("Failed on connect: %s", drizzle_error(drizzle));

1297

return ERROR_STOP;

1298

}

1299

mysql->reconnect= 1;

1299

drizzle->reconnect= 1;

1300

return OK_CONTINUE;

1301

}

1302

1341

/**

1342

When reading a remote binlog, this function is used to grab the

1343

Format_description_log_event in the beginning of the stream.

1344

1345

This is not as smart as check_header() (used for local log); it will

1346

not work for a binlog which mixes format. TODO: fix this.

1347

1350

*/

1351

static Exit_status check_master_version()

1352

{

1353

MYSQL_RES* res = 0;

1354

MYSQL_ROW row;

1353

DRIZZLE_RES* res = 0;

1354

DRIZZLE_ROW row;

1355

const char* version;

1356

1357

if (mysql_query(mysql, "SELECT VERSION()") ||

1358

!(res = mysql_store_result(mysql)))

1357

if (drizzle_query(drizzle, "SELECT VERSION()") ||

1358

!(res = drizzle_store_result(drizzle)))

1359

{

1360

error("Could not find server version: "

1361

"Query failed when checking master version: %s", mysql_error(mysql));

1361

"Query failed when checking master version: %s", drizzle_error(drizzle));

1362

return ERROR_STOP;

1363

}

1364

if (!(row = mysql_fetch_row(res)))

1364

if (!(row = drizzle_fetch_row(res)))

1365

{

1366

error("Could not find server version: "

1367

"Master returned no rows for SELECT VERSION().");

1396

default:

1397

glob_description_event= NULL;

1398

error("Could not find server version: "

1399

"Master reported unrecognized MySQL version '%s'.", version);

1399

"Master reported unrecognized Drizzle version '%s'.", version);

1400

goto err;

1401

}

1402

if (!glob_description_event || !glob_description_event->is_valid())

1405

goto err;

1406

}

1407

1408

mysql_free_result(res);

1408

drizzle_free_result(res);

1409

return OK_CONTINUE;

1410

1411

err:

1412

mysql_free_result(res);

1412

drizzle_free_result(res);

1413

return ERROR_STOP;

1414

}

1415

1447

*/

1448

if ((retval= safe_connect()) != OK_CONTINUE)

1449

return(retval);

1450

net= &mysql->net;

1450

net= &drizzle->net;

1451

1452

if ((retval= check_master_version()) != OK_CONTINUE)

1453

return(retval);

1460

int2store(buf + BIN_LOG_HEADER_SIZE, binlog_flags);

1461

1462

size_t tlen = strlen(logname);

1463

if (tlen > UINT_MAX)

1463

if (tlen > UINT_MAX)

1464

{

1465

error("Log name too long.");

1466

return(ERROR_STOP);

1468

logname_len = (uint) tlen;

1469

int4store(buf + 6, 0);

1470

memcpy(buf + 10, logname, logname_len);

1471

if (simple_command(mysql, COM_BINLOG_DUMP, buf, logname_len + 10, 1))

1471

if (simple_command(drizzle, COM_BINLOG_DUMP, buf, logname_len + 10, 1))

1472

{

1473

error("Got fatal error sending the log dump command.");

1474

return(ERROR_STOP);

1479

const char *error_msg;

1480

Log_event *ev;

1481

1482

len= cli_safe_read(mysql);

1482

len= cli_safe_read(drizzle);

1483

if (len == packet_error)

1484

{

1485

error("Got error reading packet from server: %s", mysql_error(mysql));

1485

error("Got error reading packet from server: %s", drizzle_error(drizzle));

1486

return(ERROR_STOP);

1487

}

1488

if (len < 8 && net->read_pos[0] == 254)

1493

{

1494

error("Could not construct log event object: %s", error_msg);

1495

return(ERROR_STOP);

1496

}

1496

}

1497

/*

1498

If reading from a remote host, ensure the temp_buf for the

1499

Log_event class is pointing to the incoming stream.

1500

*/

1501

if (remote_opt)

1502

ev->register_temp_buf((char*) net->read_pos + 1);

1502

ev->register_temp_buf((char*) net->read_pos + 1);

1503

1504

Log_event_type type= ev->get_type_code();

1505

if (glob_description_event->binlog_version >= 3 ||

1693

if (buf[EVENT_TYPE_OFFSET] == START_EVENT_V3)

1694

{

1695

/* This is 3.23 or 4.x */

1696

if (uint4korr(buf + EVENT_LEN_OFFSET) <

1696

if (uint4korr(buf + EVENT_LEN_OFFSET) <

1697

(LOG_EVENT_MINIMAL_HEADER_LEN + START_V3_HEADER_LEN))

1698

{

1699

/* This is 3.23 (format 1) */

1714

/* This is 5.0 */

1715

Format_description_log_event *new_description_event;

1716

my_b_seek(file, tmp_pos); /* seek back to event's start */

1717

if (!(new_description_event= (Format_description_log_event*)

1717

if (!(new_description_event= (Format_description_log_event*)

1718

Log_event::read_log_event(file, glob_description_event)))

1719

/* EOF can't be hit here normally, so it's a real error */

1720

{

1794

if ((fd = my_open(logname, O_RDONLY | O_BINARY, MYF(MY_WME))) < 0)

1795

return ERROR_STOP;

1796

if (init_io_cache(file, fd, 0, READ_CACHE, start_position_mot, 0,

1797

MYF(MY_WME | MY_NABP)))

1797

MYF(MY_WME | MY_NABP)))

1798

{

1799

my_close(fd, MYF(MY_WME));

1800

return ERROR_STOP;

1805

else

1806

{

1807

if (init_io_cache(file, fileno(stdin), 0, READ_CACHE, (my_off_t) 0,

1808

0, MYF(MY_WME | MY_NABP | MY_DONT_CHECK_FILESIZE)))

1808

0, MYF(MY_WME | MY_NABP | MY_DONT_CHECK_FILESIZE)))

1809

{

1810

error("Failed to init IO cache.");

1811

return ERROR_STOP;

1819

my_off_t length,tmp;

1820

for (length= start_position_mot ; length > 0 ; length-=tmp)

1821

{

1822

tmp=min(length,sizeof(buff));

1823

if (my_b_read(file, buff, (uint) tmp))

1822

tmp=min(length,sizeof(buff));

1823

if (my_b_read(file, buff, (uint) tmp))

1824

{

1825

error("Failed reading from file.");

1826

goto err;

1923

load_processor.init_by_cur_dir();

1924

1925

fprintf(result_file,

1926

"/*!40019 SET @@session.max_insert_delayed_threads=0*/;\n");

1926

"/*!40019 SET @@session.max_insert_delayed_threads=0*/;\n");

1927

1928

if (disable_log_bin)

1929

fprintf(result_file,

1930

"/*!32316 SET @OLD_SQL_LOG_BIN=@@SQL_LOG_BIN, SQL_LOG_BIN=0*/;\n");

1931

1932

/*

1933

In mysqlbinlog|mysql, don't want mysql to be disconnected after each

1933

In drizzlebinlog|drizzle, don't want Drizzle to be disconnected after each

1934

transaction (which would be the case with GLOBAL.COMPLETION_TYPE==2).

1935

*/

1936

fprintf(result_file,

1941

fprintf(result_file,

1942

"\n/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;"

1943

"\n/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;"

1944

"\n/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;"

1944

"\n/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;"

1945

"\n/*!40101 SET NAMES %s */;\n", charset);

1946

1947

for (save_stop_position= stop_position, stop_position= ~(my_off_t)0 ;

1961

of transaction.

1962

*/

1963

fprintf(result_file,

1964

"# End of log file\nROLLBACK /* added by mysqlbinlog */;\n"

1964

"# End of log file\nROLLBACK /* added by drizzlebinlog */;\n"

1965

"/*!50003 SET COMPLETION_TYPE=@OLD_COMPLETION_TYPE*/;\n");

1966

if (disable_log_bin)

1967

fprintf(result_file, "/*!32316 SET SQL_LOG_BIN=@OLD_SQL_LOG_BIN*/;\n");