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mysqldump.c
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mysqldump.c
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/*
Copyright (c) 2000, 2013, Oracle and/or its affiliates.
Copyright (c) 2010, 2016, MariaDB
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, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/* mysqldump.c - Dump a tables contents and format to an ASCII file
**
** The author's original notes follow :-
**
** AUTHOR: Igor Romanenko (igor@frog.kiev.ua)
** DATE: December 3, 1994
** WARRANTY: None, expressed, impressed, implied
** or other
** STATUS: Public domain
** Adapted and optimized for MySQL by
** Michael Widenius, Sinisa Milivojevic, Jani Tolonen
** -w --where added 9/10/98 by Jim Faucette
** slave code by David Saez Padros <david@ols.es>
** master/autocommit code by Brian Aker <brian@tangent.org>
** SSL by
** Andrei Errapart <andreie@no.spam.ee>
** Tõnu Samuel <tonu@please.do.not.remove.this.spam.ee>
** XML by Gary Huntress <ghuntress@mediaone.net> 10/10/01, cleaned up
** and adapted to mysqldump 05/11/01 by Jani Tolonen
** Added --single-transaction option 06/06/2002 by Peter Zaitsev
** 10 Jun 2003: SET NAMES and --no-set-names by Alexander Barkov
*/
#define DUMP_VERSION "10.16"
#include <my_global.h>
#include <my_sys.h>
#include <my_user.h>
#include <m_string.h>
#include <m_ctype.h>
#include <hash.h>
#include <stdarg.h>
#include "client_priv.h"
#include "mysql.h"
#include "mysql_version.h"
#include "mysqld_error.h"
#include <welcome_copyright_notice.h> /* ORACLE_WELCOME_COPYRIGHT_NOTICE */
/* Exit codes */
#define EX_USAGE 1
#define EX_MYSQLERR 2
#define EX_CONSCHECK 3
#define EX_EOM 4
#define EX_EOF 5 /* ferror for output file was got */
#define EX_ILLEGAL_TABLE 6
/* index into 'show fields from table' */
#define SHOW_FIELDNAME 0
#define SHOW_TYPE 1
#define SHOW_NULL 2
#define SHOW_DEFAULT 4
#define SHOW_EXTRA 5
/* Size of buffer for dump's select query */
#define QUERY_LENGTH 1536
/* Size of comment buffer. */
#define COMMENT_LENGTH 2048
/* ignore table flags */
#define IGNORE_NONE 0x00 /* no ignore */
#define IGNORE_DATA 0x01 /* don't dump data for this table */
#define IGNORE_INSERT_DELAYED 0x02 /* table doesn't support INSERT DELAYED */
/* Chars needed to store LONGLONG, excluding trailing '\0'. */
#define LONGLONG_LEN 20
/* Max length GTID position that we will output. */
#define MAX_GTID_LENGTH 1024
static void add_load_option(DYNAMIC_STRING *str, const char *option,
const char *option_value);
static ulong find_set(TYPELIB *lib, const char *x, size_t length,
char **err_pos, uint *err_len);
static char *alloc_query_str(ulong size);
static void field_escape(DYNAMIC_STRING* in, const char *from);
static my_bool verbose= 0, opt_no_create_info= 0, opt_no_data= 0, opt_no_data_med= 1,
quick= 1, extended_insert= 1,
lock_tables=1,ignore_errors=0,flush_logs=0,flush_privileges=0,
opt_drop=1,opt_keywords=0,opt_lock=1,opt_compress=0,
opt_delayed=0,create_options=1,opt_quoted=0,opt_databases=0,
opt_alldbs=0,opt_create_db=0,opt_lock_all_tables=0,
opt_set_charset=0, opt_dump_date=1,
opt_autocommit=0,opt_disable_keys=1,opt_xml=0,
opt_delete_master_logs=0, tty_password=0,
opt_single_transaction=0, opt_comments= 0, opt_compact= 0,
opt_hex_blob=0, opt_order_by_primary=0, opt_ignore=0,
opt_complete_insert= 0, opt_drop_database= 0,
opt_replace_into= 0,
opt_dump_triggers= 0, opt_routines=0, opt_tz_utc=1,
opt_slave_apply= 0,
opt_include_master_host_port= 0,
opt_events= 0, opt_comments_used= 0,
opt_alltspcs=0, opt_notspcs= 0, opt_logging;
static my_bool insert_pat_inited= 0, debug_info_flag= 0, debug_check_flag= 0;
static ulong opt_max_allowed_packet, opt_net_buffer_length;
static MYSQL mysql_connection,*mysql=0;
static DYNAMIC_STRING insert_pat;
static char *opt_password=0,*current_user=0,
*current_host=0,*path=0,*fields_terminated=0,
*lines_terminated=0, *enclosed=0, *opt_enclosed=0, *escaped=0,
*where=0, *order_by=0,
*opt_compatible_mode_str= 0,
*err_ptr= 0,
*log_error_file= NULL;
static char **defaults_argv= 0;
static char compatible_mode_normal_str[255];
/* Server supports character_set_results session variable? */
static my_bool server_supports_switching_charsets= TRUE;
static ulong opt_compatible_mode= 0;
#define MYSQL_OPT_MASTER_DATA_EFFECTIVE_SQL 1
#define MYSQL_OPT_MASTER_DATA_COMMENTED_SQL 2
#define MYSQL_OPT_SLAVE_DATA_EFFECTIVE_SQL 1
#define MYSQL_OPT_SLAVE_DATA_COMMENTED_SQL 2
static uint opt_mysql_port= 0, opt_master_data;
static uint opt_slave_data;
static uint opt_use_gtid;
static uint my_end_arg;
static char * opt_mysql_unix_port=0;
static int first_error=0;
/*
multi_source is 0 if old server or 2 if server that support multi source
This is choosen this was as multi_source has 2 extra columns first in
SHOW ALL SLAVES STATUS.
*/
static uint multi_source= 0;
static DYNAMIC_STRING extended_row;
static DYNAMIC_STRING dynamic_where;
static MYSQL_RES *get_table_name_result= NULL;
static MEM_ROOT glob_root;
static MYSQL_RES *routine_res, *routine_list_res;
#include <sslopt-vars.h>
FILE *md_result_file= 0;
FILE *stderror_file=0;
#ifdef HAVE_SMEM
static char *shared_memory_base_name=0;
#endif
static uint opt_protocol= 0;
static char *opt_plugin_dir= 0, *opt_default_auth= 0;
/*
Dynamic_string wrapper functions. In this file use these
wrappers, they will terminate the process if there is
an allocation failure.
*/
static void init_dynamic_string_checked(DYNAMIC_STRING *str, const char *init_str,
uint init_alloc, uint alloc_increment);
static void dynstr_append_checked(DYNAMIC_STRING* dest, const char* src);
static void dynstr_set_checked(DYNAMIC_STRING *str, const char *init_str);
static void dynstr_append_mem_checked(DYNAMIC_STRING *str, const char *append,
uint length);
static void dynstr_realloc_checked(DYNAMIC_STRING *str, ulong additional_size);
static int do_start_slave_sql(MYSQL *mysql_con);
/*
Constant for detection of default value of default_charset.
If default_charset is equal to mysql_universal_client_charset, then
it is the default value which assigned at the very beginning of main().
*/
static const char *mysql_universal_client_charset=
MYSQL_UNIVERSAL_CLIENT_CHARSET;
static char *default_charset;
static CHARSET_INFO *charset_info= &my_charset_latin1;
const char *default_dbug_option="d:t:o,/tmp/mysqldump.trace";
/* have we seen any VIEWs during table scanning? */
my_bool seen_views= 0;
const char *compatible_mode_names[]=
{
"MYSQL323", "MYSQL40", "POSTGRESQL", "ORACLE", "MSSQL", "DB2",
"MAXDB", "NO_KEY_OPTIONS", "NO_TABLE_OPTIONS", "NO_FIELD_OPTIONS",
"ANSI",
NullS
};
#define MASK_ANSI_QUOTES \
(\
(1<<2) | /* POSTGRESQL */\
(1<<3) | /* ORACLE */\
(1<<4) | /* MSSQL */\
(1<<5) | /* DB2 */\
(1<<6) | /* MAXDB */\
(1<<10) /* ANSI */\
)
TYPELIB compatible_mode_typelib= {array_elements(compatible_mode_names) - 1,
"", compatible_mode_names, NULL};
#define MED_ENGINES "MRG_MyISAM, MRG_ISAM, CONNECT, OQGRAPH, SPIDER, VP, FEDERATED"
HASH ignore_table;
static struct my_option my_long_options[] =
{
{"all-databases", 'A',
"Dump all the databases. This will be same as --databases with all databases selected.",
&opt_alldbs, &opt_alldbs, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"all-tablespaces", 'Y',
"Dump all the tablespaces.",
&opt_alltspcs, &opt_alltspcs, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"no-tablespaces", 'y',
"Do not dump any tablespace information.",
&opt_notspcs, &opt_notspcs, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"add-drop-database", OPT_DROP_DATABASE, "Add a DROP DATABASE before each create.",
&opt_drop_database, &opt_drop_database, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0,
0},
{"add-drop-table", OPT_DROP, "Add a DROP TABLE before each create.",
&opt_drop, &opt_drop, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0,
0},
{"add-locks", OPT_LOCKS, "Add locks around INSERT statements.",
&opt_lock, &opt_lock, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0,
0},
{"allow-keywords", OPT_KEYWORDS,
"Allow creation of column names that are keywords.", &opt_keywords,
&opt_keywords, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"apply-slave-statements", OPT_MYSQLDUMP_SLAVE_APPLY,
"Adds 'STOP SLAVE' prior to 'CHANGE MASTER' and 'START SLAVE' to bottom of dump.",
&opt_slave_apply, &opt_slave_apply, 0, GET_BOOL, NO_ARG,
0, 0, 0, 0, 0, 0},
{"character-sets-dir", OPT_CHARSETS_DIR,
"Directory for character set files.", &charsets_dir,
&charsets_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"comments", 'i', "Write additional information.",
&opt_comments, &opt_comments, 0, GET_BOOL, NO_ARG,
1, 0, 0, 0, 0, 0},
{"compatible", OPT_COMPATIBLE,
"Change the dump to be compatible with a given mode. By default tables "
"are dumped in a format optimized for MySQL. Legal modes are: ansi, "
"mysql323, mysql40, postgresql, oracle, mssql, db2, maxdb, no_key_options, "
"no_table_options, no_field_options. One can use several modes separated "
"by commas. Note: Requires MySQL server version 4.1.0 or higher. "
"This option is ignored with earlier server versions.",
&opt_compatible_mode_str, &opt_compatible_mode_str, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"compact", OPT_COMPACT,
"Give less verbose output (useful for debugging). Disables structure "
"comments and header/footer constructs. Enables options --skip-add-"
"drop-table --skip-add-locks --skip-comments --skip-disable-keys "
"--skip-set-charset.",
&opt_compact, &opt_compact, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"complete-insert", 'c', "Use complete insert statements.",
&opt_complete_insert, &opt_complete_insert, 0, GET_BOOL,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"compress", 'C', "Use compression in server/client protocol.",
&opt_compress, &opt_compress, 0, GET_BOOL, NO_ARG, 0, 0, 0,
0, 0, 0},
{"create-options", 'a',
"Include all MySQL specific create options.",
&create_options, &create_options, 0, GET_BOOL, NO_ARG, 1,
0, 0, 0, 0, 0},
{"databases", 'B',
"Dump several databases. Note the difference in usage; in this case no tables are given. All name arguments are regarded as database names. 'USE db_name;' will be included in the output.",
&opt_databases, &opt_databases, 0, GET_BOOL, NO_ARG, 0, 0,
0, 0, 0, 0},
#ifdef DBUG_OFF
{"debug", '#', "This is a non-debug version. Catch this and exit.",
0,0, 0, GET_DISABLED, OPT_ARG, 0, 0, 0, 0, 0, 0},
#else
{"debug", '#', "Output debug log.", &default_dbug_option,
&default_dbug_option, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"debug-check", OPT_DEBUG_CHECK, "Check memory and open file usage at exit.",
&debug_check_flag, &debug_check_flag, 0,
GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"debug-info", OPT_DEBUG_INFO, "Print some debug info at exit.",
&debug_info_flag, &debug_info_flag,
0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"default-character-set", OPT_DEFAULT_CHARSET,
"Set the default character set.", &default_charset,
&default_charset, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"delayed-insert", OPT_DELAYED, "Insert rows with INSERT DELAYED.",
&opt_delayed, &opt_delayed, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"delete-master-logs", OPT_DELETE_MASTER_LOGS,
"Delete logs on master after backup. This automatically enables --master-data.",
&opt_delete_master_logs, &opt_delete_master_logs, 0,
GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"disable-keys", 'K',
"'/*!40000 ALTER TABLE tb_name DISABLE KEYS */; and '/*!40000 ALTER "
"TABLE tb_name ENABLE KEYS */; will be put in the output.", &opt_disable_keys,
&opt_disable_keys, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
{"dump-slave", OPT_MYSQLDUMP_SLAVE_DATA,
"This causes the binary log position and filename of the master to be "
"appended to the dumped data output. Setting the value to 1, will print"
"it as a CHANGE MASTER command in the dumped data output; if equal"
" to 2, that command will be prefixed with a comment symbol. "
"This option will turn --lock-all-tables on, unless "
"--single-transaction is specified too (in which case a "
"global read lock is only taken a short time at the beginning of the dump "
"- don't forget to read about --single-transaction below). In all cases "
"any action on logs will happen at the exact moment of the dump."
"Option automatically turns --lock-tables off.",
&opt_slave_data, &opt_slave_data, 0,
GET_UINT, OPT_ARG, 0, 0, MYSQL_OPT_SLAVE_DATA_COMMENTED_SQL, 0, 0, 0},
{"events", 'E', "Dump events.",
&opt_events, &opt_events, 0, GET_BOOL,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"extended-insert", 'e',
"Use multiple-row INSERT syntax that include several VALUES lists.",
&extended_insert, &extended_insert, 0, GET_BOOL, NO_ARG,
1, 0, 0, 0, 0, 0},
{"fields-terminated-by", OPT_FTB,
"Fields in the output file are terminated by the given string.",
&fields_terminated, &fields_terminated, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"fields-enclosed-by", OPT_ENC,
"Fields in the output file are enclosed by the given character.",
&enclosed, &enclosed, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0 ,0, 0},
{"fields-optionally-enclosed-by", OPT_O_ENC,
"Fields in the output file are optionally enclosed by the given character.",
&opt_enclosed, &opt_enclosed, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0 ,0, 0},
{"fields-escaped-by", OPT_ESC,
"Fields in the output file are escaped by the given character.",
&escaped, &escaped, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"flush-logs", 'F', "Flush logs file in server before starting dump. "
"Note that if you dump many databases at once (using the option "
"--databases= or --all-databases), the logs will be flushed for "
"each database dumped. The exception is when using --lock-all-tables "
"or --master-data: "
"in this case the logs will be flushed only once, corresponding "
"to the moment all tables are locked. So if you want your dump and "
"the log flush to happen at the same exact moment you should use "
"--lock-all-tables or --master-data with --flush-logs.",
&flush_logs, &flush_logs, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"flush-privileges", OPT_ESC, "Emit a FLUSH PRIVILEGES statement "
"after dumping the mysql database. This option should be used any "
"time the dump contains the mysql database and any other database "
"that depends on the data in the mysql database for proper restore. ",
&flush_privileges, &flush_privileges, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"force", 'f', "Continue even if we get an SQL error.",
&ignore_errors, &ignore_errors, 0, GET_BOOL, NO_ARG,
0, 0, 0, 0, 0, 0},
{"gtid", 0, "Used together with --master-data=1 or --dump-slave=1."
"When enabled, the output from those options will set the GTID position "
"instead of the binlog file and offset; the file/offset will appear only as "
"a comment. When disabled, the GTID position will still appear in the "
"output, but only commented.",
&opt_use_gtid, &opt_use_gtid, 0, GET_BOOL, NO_ARG,
0, 0, 0, 0, 0, 0},
{"help", '?', "Display this help message and exit.", 0, 0, 0, GET_NO_ARG,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"hex-blob", OPT_HEXBLOB, "Dump binary strings (BINARY, "
"VARBINARY, BLOB) in hexadecimal format.",
&opt_hex_blob, &opt_hex_blob, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"host", 'h', "Connect to host.", ¤t_host,
¤t_host, 0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"ignore-table", OPT_IGNORE_TABLE,
"Do not dump the specified table. To specify more than one table to ignore, "
"use the directive multiple times, once for each table. Each table must "
"be specified with both database and table names, e.g., "
"--ignore-table=database.table.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"include-master-host-port", OPT_MYSQLDUMP_INCLUDE_MASTER_HOST_PORT,
"Adds 'MASTER_HOST=<host>, MASTER_PORT=<port>' to 'CHANGE MASTER TO..' "
"in dump produced with --dump-slave.", &opt_include_master_host_port,
&opt_include_master_host_port, 0, GET_BOOL, NO_ARG,
0, 0, 0, 0, 0, 0},
{"insert-ignore", OPT_INSERT_IGNORE, "Insert rows with INSERT IGNORE.",
&opt_ignore, &opt_ignore, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"lines-terminated-by", OPT_LTB,
"Lines in the output file are terminated by the given string.",
&lines_terminated, &lines_terminated, 0, GET_STR,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"lock-all-tables", 'x', "Locks all tables across all databases. This "
"is achieved by taking a global read lock for the duration of the whole "
"dump. Automatically turns --single-transaction and --lock-tables off.",
&opt_lock_all_tables, &opt_lock_all_tables, 0, GET_BOOL, NO_ARG,
0, 0, 0, 0, 0, 0},
{"lock-tables", 'l', "Lock all tables for read.", &lock_tables,
&lock_tables, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
{"log-error", OPT_ERROR_LOG_FILE, "Append warnings and errors to given file.",
&log_error_file, &log_error_file, 0, GET_STR,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"log-queries", 0, "When restoring the dump, the server will, if logging turned on, log the queries to the general and slow query log.",
&opt_logging, &opt_logging, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
{"master-data", OPT_MASTER_DATA,
"This causes the binary log position and filename to be appended to the "
"output. If equal to 1, will print it as a CHANGE MASTER command; if equal"
" to 2, that command will be prefixed with a comment symbol. "
"This option will turn --lock-all-tables on, unless --single-transaction "
"is specified too (on servers before MariaDB 5.3 this will still take a "
"global read lock for a short time at the beginning of the dump; "
"don't forget to read about --single-transaction below). In all cases, "
"any action on logs will happen at the exact moment of the dump. "
"Option automatically turns --lock-tables off.",
&opt_master_data, &opt_master_data, 0,
GET_UINT, OPT_ARG, 0, 0, MYSQL_OPT_MASTER_DATA_COMMENTED_SQL, 0, 0, 0},
{"max_allowed_packet", OPT_MAX_ALLOWED_PACKET,
"The maximum packet length to send to or receive from server.",
&opt_max_allowed_packet, &opt_max_allowed_packet, 0,
GET_ULONG, REQUIRED_ARG, 24*1024*1024, 4096,
(longlong) 2L*1024L*1024L*1024L, MALLOC_OVERHEAD, 1024, 0},
{"net_buffer_length", OPT_NET_BUFFER_LENGTH,
"The buffer size for TCP/IP and socket communication.",
&opt_net_buffer_length, &opt_net_buffer_length, 0,
GET_ULONG, REQUIRED_ARG, 1024*1024L-1025, 4096, 16*1024L*1024L,
MALLOC_OVERHEAD-1024, 1024, 0},
{"no-autocommit", OPT_AUTOCOMMIT,
"Wrap tables with autocommit/commit statements.",
&opt_autocommit, &opt_autocommit, 0, GET_BOOL, NO_ARG,
0, 0, 0, 0, 0, 0},
{"no-create-db", 'n',
"Suppress the CREATE DATABASE ... IF EXISTS statement that normally is "
"output for each dumped database if --all-databases or --databases is "
"given.",
&opt_create_db, &opt_create_db, 0,
GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"no-create-info", 't', "Don't write table creation info.",
&opt_no_create_info, &opt_no_create_info, 0, GET_BOOL,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"no-data", 'd', "No row information.", &opt_no_data,
&opt_no_data, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"no-data-med", 0, "No row information for engines that "
"Manage External Data (" MED_ENGINES ").", &opt_no_data_med,
&opt_no_data_med, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
{"no-set-names", 'N', "Same as --skip-set-charset.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"opt", OPT_OPTIMIZE,
"Same as --add-drop-table, --add-locks, --create-options, --quick, --extended-insert, --lock-tables, --set-charset, and --disable-keys. Enabled by default, disable with --skip-opt.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"order-by-primary", OPT_ORDER_BY_PRIMARY,
"Sorts each table's rows by primary key, or first unique key, if such a key exists. Useful when dumping a MyISAM table to be loaded into an InnoDB table, but will make the dump itself take considerably longer.",
&opt_order_by_primary, &opt_order_by_primary, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"password", 'p',
"Password to use when connecting to server. If password is not given it's solicited on the tty.",
0, 0, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
#ifdef __WIN__
{"pipe", 'W', "Use named pipes to connect to server.", 0, 0, 0, GET_NO_ARG,
NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"port", 'P', "Port number to use for connection.", &opt_mysql_port,
&opt_mysql_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0,
0},
{"protocol", OPT_MYSQL_PROTOCOL,
"The protocol to use for connection (tcp, socket, pipe, memory).",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"quick", 'q', "Don't buffer query, dump directly to stdout.",
&quick, &quick, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
{"quote-names",'Q', "Quote table and column names with backticks (`).",
&opt_quoted, &opt_quoted, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0,
0, 0},
{"replace", OPT_MYSQL_REPLACE_INTO, "Use REPLACE INTO instead of INSERT INTO.",
&opt_replace_into, &opt_replace_into, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"result-file", 'r',
"Direct output to a given file. This option should be used in systems "
"(e.g., DOS, Windows) that use carriage-return linefeed pairs (\\r\\n) "
"to separate text lines. This option ensures that only a single newline "
"is used.", 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"routines", 'R', "Dump stored routines (functions and procedures).",
&opt_routines, &opt_routines, 0, GET_BOOL,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"set-charset", OPT_SET_CHARSET,
"Add 'SET NAMES default_character_set' to the output.",
&opt_set_charset, &opt_set_charset, 0, GET_BOOL, NO_ARG, 1,
0, 0, 0, 0, 0},
#ifdef HAVE_SMEM
{"shared-memory-base-name", OPT_SHARED_MEMORY_BASE_NAME,
"Base name of shared memory.", &shared_memory_base_name, &shared_memory_base_name,
0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#endif
/*
Note that the combination --single-transaction --master-data
will give bullet-proof binlog position only if server >=4.1.3. That's the
old "FLUSH TABLES WITH READ LOCK does not block commit" fixed bug.
*/
{"single-transaction", OPT_TRANSACTION,
"Creates a consistent snapshot by dumping all tables in a single "
"transaction. Works ONLY for tables stored in storage engines which "
"support multiversioning (currently only InnoDB does); the dump is NOT "
"guaranteed to be consistent for other storage engines. "
"While a --single-transaction dump is in process, to ensure a valid "
"dump file (correct table contents and binary log position), no other "
"connection should use the following statements: ALTER TABLE, DROP "
"TABLE, RENAME TABLE, TRUNCATE TABLE, as consistent snapshot is not "
"isolated from them. Option automatically turns off --lock-tables.",
&opt_single_transaction, &opt_single_transaction, 0,
GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"dump-date", OPT_DUMP_DATE, "Put a dump date to the end of the output.",
&opt_dump_date, &opt_dump_date, 0,
GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
{"skip-opt", OPT_SKIP_OPTIMIZATION,
"Disable --opt. Disables --add-drop-table, --add-locks, --create-options, --quick, --extended-insert, --lock-tables, --set-charset, and --disable-keys.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"socket", 'S', "The socket file to use for connection.",
&opt_mysql_unix_port, &opt_mysql_unix_port, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#include <sslopt-longopts.h>
{"tab",'T',
"Create tab-separated textfile for each table to given path. (Create .sql "
"and .txt files.) NOTE: This only works if mysqldump is run on the same "
"machine as the mysqld server.",
&path, &path, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"tables", OPT_TABLES, "Overrides option --databases (-B).",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"triggers", OPT_TRIGGERS, "Dump triggers for each dumped table.",
&opt_dump_triggers, &opt_dump_triggers, 0, GET_BOOL,
NO_ARG, 1, 0, 0, 0, 0, 0},
{"tz-utc", OPT_TZ_UTC,
"SET TIME_ZONE='+00:00' at top of dump to allow dumping of TIMESTAMP data when a server has data in different time zones or data is being moved between servers with different time zones.",
&opt_tz_utc, &opt_tz_utc, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
#ifndef DONT_ALLOW_USER_CHANGE
{"user", 'u', "User for login if not current user.",
¤t_user, ¤t_user, 0, GET_STR, REQUIRED_ARG,
0, 0, 0, 0, 0, 0},
#endif
{"verbose", 'v', "Print info about the various stages.",
&verbose, &verbose, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"version",'V', "Output version information and exit.", 0, 0, 0,
GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
{"where", 'w', "Dump only selected records. Quotes are mandatory.",
&where, &where, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"xml", 'X', "Dump a database as well formed XML.", 0, 0, 0, GET_NO_ARG,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"plugin_dir", OPT_PLUGIN_DIR, "Directory for client-side plugins.",
&opt_plugin_dir, &opt_plugin_dir, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"default_auth", OPT_DEFAULT_AUTH,
"Default authentication client-side plugin to use.",
&opt_default_auth, &opt_default_auth, 0,
GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{0, 0, 0, 0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0}
};
static const char *load_default_groups[]=
{ "mysqldump", "client", "client-server", "client-mariadb", 0 };
static void maybe_exit(int error);
static void die(int error, const char* reason, ...);
static void maybe_die(int error, const char* reason, ...);
static void write_header(FILE *sql_file, char *db_name);
static void print_value(FILE *file, MYSQL_RES *result, MYSQL_ROW row,
const char *prefix,const char *name,
int string_value);
static int dump_selected_tables(char *db, char **table_names, int tables);
static int dump_all_tables_in_db(char *db);
static int init_dumping_views(char *);
static int init_dumping_tables(char *);
static int init_dumping(char *, int init_func(char*));
static int dump_databases(char **);
static int dump_all_databases();
static char *quote_name(const char *name, char *buff, my_bool force);
char check_if_ignore_table(const char *table_name, char *table_type);
static char *primary_key_fields(const char *table_name);
static my_bool get_view_structure(char *table, char* db);
static my_bool dump_all_views_in_db(char *database);
static int dump_all_tablespaces();
static int dump_tablespaces_for_tables(char *db, char **table_names, int tables);
static int dump_tablespaces_for_databases(char** databases);
static int dump_tablespaces(char* ts_where);
static void print_comment(FILE *, my_bool, const char *, ...);
/*
Print the supplied message if in verbose mode
SYNOPSIS
verbose_msg()
fmt format specifier
... variable number of parameters
*/
static void verbose_msg(const char *fmt, ...)
{
va_list args;
DBUG_ENTER("verbose_msg");
if (!verbose)
DBUG_VOID_RETURN;
va_start(args, fmt);
vfprintf(stderr, fmt, args);
va_end(args);
fflush(stderr);
DBUG_VOID_RETURN;
}
/*
exit with message if ferror(file)
SYNOPSIS
check_io()
file - checked file
*/
void check_io(FILE *file)
{
if (ferror(file))
die(EX_EOF, "Got errno %d on write", errno);
}
static void print_version(void)
{
printf("%s Ver %s Distrib %s, for %s (%s)\n",my_progname_short,DUMP_VERSION,
MYSQL_SERVER_VERSION,SYSTEM_TYPE,MACHINE_TYPE);
} /* print_version */
static void short_usage_sub(FILE *f)
{
fprintf(f, "Usage: %s [OPTIONS] database [tables]\n", my_progname_short);
fprintf(f, "OR %s [OPTIONS] --databases [OPTIONS] DB1 [DB2 DB3...]\n",
my_progname_short);
fprintf(f, "OR %s [OPTIONS] --all-databases [OPTIONS]\n", my_progname_short);
}
static void usage(void)
{
print_version();
puts(ORACLE_WELCOME_COPYRIGHT_NOTICE("2000"));
puts("Dumping structure and contents of MySQL databases and tables.");
short_usage_sub(stdout);
print_defaults("my",load_default_groups);
puts("");
my_print_help(my_long_options);
my_print_variables(my_long_options);
} /* usage */
static void short_usage(FILE *f)
{
short_usage_sub(f);
fprintf(f, "For more options, use %s --help\n", my_progname_short);
}
/** returns a string fixed to be safely printed inside a -- comment
that is, any new line in it gets prefixed with --
*/
static const char *fix_for_comment(const char *ident)
{
static char buf[1024];
char c, *s= buf;
while ((c= *s++= *ident++))
{
if (s >= buf + sizeof(buf) - 10)
{
strmov(s, "...");
break;
}
if (c == '\n')
s= strmov(s, "-- ");
}
return buf;
}
static void write_header(FILE *sql_file, char *db_name)
{
if (opt_xml)
{
fputs("<?xml version=\"1.0\"?>\n", sql_file);
/*
Schema reference. Allows use of xsi:nil for NULL values and
xsi:type to define an element's data type.
*/
fputs("<mysqldump ", sql_file);
fputs("xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\"",
sql_file);
fputs(">\n", sql_file);
check_io(sql_file);
}
else if (!opt_compact)
{
print_comment(sql_file, 0,
"-- MySQL dump %s Distrib %s, for %s (%s)\n--\n",
DUMP_VERSION, MYSQL_SERVER_VERSION, SYSTEM_TYPE,
MACHINE_TYPE);
print_comment(sql_file, 0, "-- Host: %s Database: %s\n",
fix_for_comment(current_host ? current_host : "localhost"),
fix_for_comment(db_name ? db_name : ""));
print_comment(sql_file, 0,
"-- ------------------------------------------------------\n"
);
print_comment(sql_file, 0, "-- Server version\t%s\n",
mysql_get_server_info(&mysql_connection));
if (!opt_logging)
fprintf(sql_file,
"\n/*M!100101 SET LOCAL SQL_LOG_OFF=0, LOCAL SLOW_QUERY_LOG=0 */;");
if (opt_set_charset)
fprintf(sql_file,
"\n/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;"
"\n/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;"
"\n/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;"
"\n/*!40101 SET NAMES %s */;\n",default_charset);
if (opt_tz_utc)
{
fprintf(sql_file, "/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;\n");
fprintf(sql_file, "/*!40103 SET TIME_ZONE='+00:00' */;\n");
}
if (!path)
{
if (!opt_no_create_info)
{
/* We don't need unique checks as the table is created just before */
fprintf(md_result_file,"\
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;\n");
}
fprintf(md_result_file,"\
/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;\n\
");
}
fprintf(sql_file,
"/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='%s%s%s' */;\n"
"/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;\n",
path?"":"NO_AUTO_VALUE_ON_ZERO",compatible_mode_normal_str[0]==0?"":",",
compatible_mode_normal_str);
check_io(sql_file);
}
} /* write_header */
static void write_footer(FILE *sql_file)
{
if (opt_xml)
{
fputs("</mysqldump>\n", sql_file);
check_io(sql_file);
}
else if (!opt_compact)
{
if (opt_tz_utc)
fprintf(sql_file,"/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */;\n");
fprintf(sql_file,"\n/*!40101 SET SQL_MODE=@OLD_SQL_MODE */;\n");
if (!path)
{
fprintf(md_result_file,"\
/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */;\n");
if (!opt_no_create_info)
{
fprintf(md_result_file,"\
/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */;\n");
}
}
if (opt_set_charset)
fprintf(sql_file,
"/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;\n"
"/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;\n"
"/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;\n");
fprintf(sql_file,
"/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */;\n");
fputs("\n", sql_file);
if (opt_dump_date)
{
char time_str[20];
get_date(time_str, GETDATE_DATE_TIME, 0);
print_comment(sql_file, 0, "-- Dump completed on %s\n", time_str);
}
else
print_comment(sql_file, 0, "-- Dump completed\n");
check_io(sql_file);
}
} /* write_footer */
uchar* get_table_key(const char *entry, size_t *length,
my_bool not_used __attribute__((unused)))
{
*length= strlen(entry);
return (uchar*) entry;
}
static my_bool
get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
char *argument)
{
switch (optid) {
case 'p':
if (argument == disabled_my_option)
argument= (char*) ""; /* Don't require password */
if (argument)
{
char *start=argument;
my_free(opt_password);
opt_password=my_strdup(argument,MYF(MY_FAE));
while (*argument) *argument++= 'x'; /* Destroy argument */
if (*start)
start[1]=0; /* Cut length of argument */
tty_password= 0;
}
else
tty_password=1;
break;
case 'r':
if (!(md_result_file= my_fopen(argument, O_WRONLY | FILE_BINARY,
MYF(MY_WME))))
exit(1);
break;
case 'W':
#ifdef __WIN__
opt_protocol= MYSQL_PROTOCOL_PIPE;
#endif
break;
case 'N':
opt_set_charset= 0;
break;
case 'T':
opt_disable_keys=0;
if (strlen(argument) >= FN_REFLEN)
{
/*
This check is made because the some the file functions below
have FN_REFLEN sized stack allocated buffers and will cause
a crash even if the input destination buffer is large enough
to hold the output.
*/
die(EX_USAGE, "Input filename too long: %s", argument);
}
break;
case '#':
DBUG_PUSH(argument ? argument : default_dbug_option);
debug_check_flag= 1;
break;
#include <sslopt-case.h>
case 'V': print_version(); exit(0);
case 'X':
opt_xml= 1;
extended_insert= opt_drop= opt_lock=
opt_disable_keys= opt_autocommit= opt_create_db= 0;
break;
case 'i':
opt_comments_used= 1;
break;
case 'I':
case '?':
usage();
exit(0);
case (int) OPT_MASTER_DATA:
if (!argument) /* work like in old versions */
opt_master_data= MYSQL_OPT_MASTER_DATA_EFFECTIVE_SQL;
break;
case (int) OPT_MYSQLDUMP_SLAVE_DATA:
if (!argument) /* work like in old versions */
opt_slave_data= MYSQL_OPT_SLAVE_DATA_EFFECTIVE_SQL;
break;
case (int) OPT_OPTIMIZE:
extended_insert= opt_drop= opt_lock= quick= create_options=
opt_disable_keys= lock_tables= opt_set_charset= 1;
break;
case (int) OPT_SKIP_OPTIMIZATION:
extended_insert= opt_drop= opt_lock= quick= create_options=
opt_disable_keys= lock_tables= opt_set_charset= 0;
break;
case (int) OPT_COMPACT:
if (opt_compact)
{
opt_comments= opt_drop= opt_disable_keys= opt_lock= 0;
opt_set_charset= 0;
}
break;
case (int) OPT_TABLES:
opt_databases=0;
break;
case (int) OPT_IGNORE_TABLE:
{
if (!strchr(argument, '.'))
{
fprintf(stderr, "Illegal use of option --ignore-table=<database>.<table>\n");
exit(1);
}
if (my_hash_insert(&ignore_table, (uchar*)my_strdup(argument, MYF(0))))
exit(EX_EOM);
break;
}
case (int) OPT_COMPATIBLE:
{
char buff[255];
char *end= compatible_mode_normal_str;
int i;
ulong mode;
uint err_len;
opt_quoted= 1;
opt_set_charset= 0;
opt_compatible_mode_str= argument;
opt_compatible_mode= find_set(&compatible_mode_typelib,
argument, strlen(argument),
&err_ptr, &err_len);
if (err_len)
{
strmake(buff, err_ptr, MY_MIN(sizeof(buff) - 1, err_len));
fprintf(stderr, "Invalid mode to --compatible: %s\n", buff);
exit(1);
}
#if !defined(DBUG_OFF)
{
size_t size_for_sql_mode= 0;
const char **ptr;
for (ptr= compatible_mode_names; *ptr; ptr++)
size_for_sql_mode+= strlen(*ptr);
size_for_sql_mode+= sizeof(compatible_mode_names)-1;
DBUG_ASSERT(sizeof(compatible_mode_normal_str)>=size_for_sql_mode);
}
#endif
mode= opt_compatible_mode;
for (i= 0, mode= opt_compatible_mode; mode; mode>>= 1, i++)
{
if (mode & 1)
{
end= strmov(end, compatible_mode_names[i]);
end= strmov(end, ",");
}
}
if (end!=compatible_mode_normal_str)
end[-1]= 0;
/*
Set charset to the default compiled value if it hasn't
been reset yet by --default-character-set=xxx.
*/
if (default_charset == mysql_universal_client_charset)
default_charset= (char*) MYSQL_DEFAULT_CHARSET_NAME;
break;
}
case (int) OPT_MYSQL_PROTOCOL:
opt_protocol= find_type_or_exit(argument, &sql_protocol_typelib,
opt->name);
break;
}
return 0;
}
static int get_options(int *argc, char ***argv)
{
int ho_error;
MYSQL_PARAMETERS *mysql_params= mysql_get_parameters();
opt_max_allowed_packet= *mysql_params->p_max_allowed_packet;
opt_net_buffer_length= *mysql_params->p_net_buffer_length;
md_result_file= stdout;
if (load_defaults("my",load_default_groups,argc,argv))
return 1;
defaults_argv= *argv;
if (my_hash_init(&ignore_table, charset_info, 16, 0, 0,
(my_hash_get_key) get_table_key, my_free, 0))
return(EX_EOM);
/* Don't copy internal log tables */
if (my_hash_insert(&ignore_table,
(uchar*) my_strdup("mysql.apply_status", MYF(MY_WME))) ||
my_hash_insert(&ignore_table,
(uchar*) my_strdup("mysql.schema", MYF(MY_WME))) ||
my_hash_insert(&ignore_table,
(uchar*) my_strdup("mysql.general_log", MYF(MY_WME))) ||
my_hash_insert(&ignore_table,
(uchar*) my_strdup("mysql.slow_log", MYF(MY_WME))))
return(EX_EOM);
if ((ho_error= handle_options(argc, argv, my_long_options, get_one_option)))
return(ho_error);
*mysql_params->p_max_allowed_packet= opt_max_allowed_packet;
*mysql_params->p_net_buffer_length= opt_net_buffer_length;
if (debug_info_flag)
my_end_arg= MY_CHECK_ERROR | MY_GIVE_INFO;
if (debug_check_flag)