database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-10-30 04:26:45 +03:00
Code Activity
Files
ec21b828f099630c7029beda9b838a5ce63bc12c
mariadb/client/mysqldump.c
kent@mysql.com/kent-amd64.(none) 226a5c833f Many files: 
Changed header to GPL version 2 only
2006-12-23 20:17:15 +01:00

3749 lines
116 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/* Copyright (C) 2000 MySQL AB
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 "10.11"
#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"
/* 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
/* 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 */
static char *add_load_option(char *ptr, const char *object,
const char *statement);
static ulong find_set(TYPELIB *lib, const char *x, uint length,
char **err_pos, uint *err_len);
static char *alloc_query_str(ulong size);
static char *field_escape(char *to,const char *from,uint length);
static my_bool verbose= 0, opt_no_create_info= 0, opt_no_data= 0,
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_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_dump_triggers= 0, opt_routines=0, opt_tz_utc=1;
static ulong opt_max_allowed_packet, opt_net_buffer_length;
static MYSQL mysql_connection,*mysql=0;
static my_bool insert_pat_inited= 0, info_flag;
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;
static char **defaults_argv= 0;
static char compatible_mode_normal_str[255];
static ulong opt_compatible_mode= 0;
#define MYSQL_OPT_MASTER_DATA_EFFECTIVE_SQL 1
#define MYSQL_OPT_MASTER_DATA_COMMENTED_SQL 2
static uint opt_mysql_port= 0, err_len= 0, opt_master_data;
static my_string opt_mysql_unix_port=0;
static int first_error=0;
static DYNAMIC_STRING extended_row;
#include <sslopt-vars.h>
FILE *md_result_file= 0;
#ifdef HAVE_SMEM
static char *shared_memory_base_name=0;
#endif
static uint opt_protocol= 0;
/*
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};
HASH ignore_table;
static struct my_option my_long_options[] =
{
{"all", 'a', "Deprecated. Use --create-options instead.",
(gptr*) &create_options, (gptr*) &create_options, 0, GET_BOOL, NO_ARG, 1,
0, 0, 0, 0, 0},
{"all-databases", 'A',
"Dump all the databases. This will be same as --databases with all databases selected.",
(gptr*) &opt_alldbs, (gptr*) &opt_alldbs, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"add-drop-database", OPT_DROP_DATABASE, "Add a 'DROP DATABASE' before each create.",
(gptr*) &opt_drop_database, (gptr*) &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.",
(gptr*) &opt_drop, (gptr*) &opt_drop, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0,
0},
{"add-locks", OPT_LOCKS, "Add locks around insert statements.",
(gptr*) &opt_lock, (gptr*) &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.", (gptr*) &opt_keywords,
(gptr*) &opt_keywords, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
#ifdef __NETWARE__
{"autoclose", OPT_AUTO_CLOSE, "Auto close the screen on exit for Netware.",
0, 0, 0, GET_NO_ARG, NO_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"character-sets-dir", OPT_CHARSETS_DIR,
"Directory where character sets are.", (gptr*) &charsets_dir,
(gptr*) &charsets_dir, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"comments", 'i', "Write additional information.",
(gptr*) &opt_comments, (gptr*) &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.",
(gptr*) &opt_compatible_mode_str, (gptr*) &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 --no-set-names --skip-disable-keys --skip-add-locks",
(gptr*) &opt_compact, (gptr*) &opt_compact, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"complete-insert", 'c', "Use complete insert statements.",
(gptr*) &opt_complete_insert, (gptr*) &opt_complete_insert, 0, GET_BOOL,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"compress", 'C', "Use compression in server/client protocol.",
(gptr*) &opt_compress, (gptr*) &opt_compress, 0, GET_BOOL, NO_ARG, 0, 0, 0,
0, 0, 0},
{"create-options", OPT_CREATE_OPTIONS,
"Include all MySQL specific create options.",
(gptr*) &create_options, (gptr*) &create_options, 0, GET_BOOL, NO_ARG, 1,
0, 0, 0, 0, 0},
{"databases", 'B',
"To dump several databases. Note the difference in usage; In this case no tables are given. All name arguments are regarded as databasenames. 'USE db_name;' will be included in the output.",
(gptr*) &opt_databases, (gptr*) &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", (gptr*) &default_dbug_option,
(gptr*) &default_dbug_option, 0, GET_STR, OPT_ARG, 0, 0, 0, 0, 0, 0},
#endif
{"debug-info", OPT_DEBUG_INFO, "Print some debug info at exit.", (gptr*) &info_flag,
(gptr*) &info_flag, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"default-character-set", OPT_DEFAULT_CHARSET,
"Set the default character set.", (gptr*) &default_charset,
(gptr*) &default_charset, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"delayed-insert", OPT_DELAYED, "Insert rows with INSERT DELAYED; ",
(gptr*) &opt_delayed, (gptr*) &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.",
(gptr*) &opt_delete_master_logs, (gptr*) &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.", (gptr*) &opt_disable_keys,
(gptr*) &opt_disable_keys, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
{"extended-insert", 'e',
"Allows utilization of the new, much faster INSERT syntax.",
(gptr*) &extended_insert, (gptr*) &extended_insert, 0, GET_BOOL, NO_ARG,
1, 0, 0, 0, 0, 0},
{"fields-terminated-by", OPT_FTB,
"Fields in the textfile are terminated by ...", (gptr*) &fields_terminated,
(gptr*) &fields_terminated, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"fields-enclosed-by", OPT_ENC,
"Fields in the importfile are enclosed by ...", (gptr*) &enclosed,
(gptr*) &enclosed, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0 ,0, 0},
{"fields-optionally-enclosed-by", OPT_O_ENC,
"Fields in the i.file are opt. enclosed by ...", (gptr*) &opt_enclosed,
(gptr*) &opt_enclosed, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0 ,0, 0},
{"fields-escaped-by", OPT_ESC, "Fields in the i.file are escaped by ...",
(gptr*) &escaped, (gptr*) &escaped, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"first-slave", 'x', "Deprecated, renamed to --lock-all-tables.",
(gptr*) &opt_lock_all_tables, (gptr*) &opt_lock_all_tables, 0, GET_BOOL, NO_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",
(gptr*) &flush_logs, (gptr*) &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. ",
(gptr*) &flush_privileges, (gptr*) &flush_privileges, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"force", 'f', "Continue even if we get an sql-error.",
(gptr*) &ignore_errors, (gptr*) &ignore_errors, 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.",
(gptr*) &opt_hex_blob, (gptr*) &opt_hex_blob, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"host", 'h', "Connect to host.", (gptr*) &current_host,
(gptr*) &current_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},
{"insert-ignore", OPT_INSERT_IGNORE, "Insert rows with INSERT IGNORE.",
(gptr*) &opt_ignore, (gptr*) &opt_ignore, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0,
0, 0},
{"lines-terminated-by", OPT_LTB, "Lines in the i.file are terminated by ...",
(gptr*) &lines_terminated, (gptr*) &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.",
(gptr*) &opt_lock_all_tables, (gptr*) &opt_lock_all_tables, 0, GET_BOOL, NO_ARG,
0, 0, 0, 0, 0, 0},
{"lock-tables", 'l', "Lock all tables for read.", (gptr*) &lock_tables,
(gptr*) &lock_tables, 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 (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.",
(gptr*) &opt_master_data, (gptr*) &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, "",
(gptr*) &opt_max_allowed_packet, (gptr*) &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, "",
(gptr*) &opt_net_buffer_length, (gptr*) &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.",
(gptr*) &opt_autocommit, (gptr*) &opt_autocommit, 0, GET_BOOL, NO_ARG,
0, 0, 0, 0, 0, 0},
{"no-create-db", 'n',
"'CREATE DATABASE /*!32312 IF NOT EXISTS*/ db_name;' will not be put in the output. The above line will be added otherwise, if --databases or --all-databases option was given.}.",
(gptr*) &opt_create_db, (gptr*) &opt_create_db, 0, GET_BOOL, NO_ARG, 0, 0,
0, 0, 0, 0},
{"no-create-info", 't', "Don't write table creation info.",
(gptr*) &opt_no_create_info, (gptr*) &opt_no_create_info, 0, GET_BOOL,
NO_ARG, 0, 0, 0, 0, 0, 0},
{"no-data", 'd', "No row information.", (gptr*) &opt_no_data,
(gptr*) &opt_no_data, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
{"no-set-names", 'N',
"Deprecated. Use --skip-set-charset instead.",
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.",
(gptr*) &opt_order_by_primary, (gptr*) &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.", (gptr*) &opt_mysql_port,
(gptr*) &opt_mysql_port, 0, GET_UINT, REQUIRED_ARG, 0, 0, 0, 0, 0,
0},
{"protocol", OPT_MYSQL_PROTOCOL, "The protocol of 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.",
(gptr*) &quick, (gptr*) &quick, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0, 0, 0},
{"quote-names",'Q', "Quote table and column names with backticks (`).",
(gptr*) &opt_quoted, (gptr*) &opt_quoted, 0, GET_BOOL, NO_ARG, 1, 0, 0, 0,
0, 0},
{"result-file", 'r',
"Direct output to a given file. This option should be used in MSDOS, because it prevents new line '\\n' from being converted to '\\r\\n' (carriage return + line feed).",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
{"routines", 'R', "Dump stored routines (functions and procedures).",
(gptr*) &opt_routines, (gptr*) &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. Enabled by default; suppress with --skip-set-charset.",
(gptr*) &opt_set_charset, (gptr*) &opt_set_charset, 0, GET_BOOL, NO_ARG, 1,
0, 0, 0, 0, 0},
{"set-variable", 'O',
"Change the value of a variable. Please note that this option is deprecated; you can set variables directly with --variable-name=value.",
0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#ifdef HAVE_SMEM
{"shared-memory-base-name", OPT_SHARED_MEMORY_BASE_NAME,
"Base name of shared memory.", (gptr*) &shared_memory_base_name, (gptr*) &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. Option "
"automatically turns off --lock-tables.",
(gptr*) &opt_single_transaction, (gptr*) &opt_single_transaction, 0,
GET_BOOL, NO_ARG, 0, 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', "Socket file to use for connection.",
(gptr*) &opt_mysql_unix_port, (gptr*) &opt_mysql_unix_port, 0, GET_STR,
REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
#include <sslopt-longopts.h>
{"tab",'T',
"Creates tab separated textfile for each table to given path. (creates .sql and .txt files). NOTE: This only works if mysqldump is run on the same machine as the mysqld daemon.",
(gptr*) &path, (gptr*) &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",
(gptr*) &opt_dump_triggers, (gptr*) &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.",
(gptr*) &opt_tz_utc, (gptr*) &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.",
(gptr*) &current_user, (gptr*) &current_user, 0, GET_STR, REQUIRED_ARG,
0, 0, 0, 0, 0, 0},
#endif
{"verbose", 'v', "Print info about the various stages.",
(gptr*) &verbose, (gptr*) &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 mandatory!",
(gptr*) &where, (gptr*) &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},
{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",0 };
static void safe_exit(int error);
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);
#include <help_start.h>
/*
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);
DBUG_VOID_RETURN;
}
/*
exit with message if ferror(file)
SYNOPSIS
check_io()
file - checked file
*/
void check_io(FILE *file)
{
if (ferror(file))
{
fprintf(stderr, "%s: Got errno %d on write\n", my_progname, errno);
ignore_errors= 0; /* We can't ignore this error */
safe_exit(EX_EOF);
}
}
static void print_version(void)
{
printf("%s Ver %s Distrib %s, for %s (%s)\n",my_progname,DUMP_VERSION,
MYSQL_SERVER_VERSION,SYSTEM_TYPE,MACHINE_TYPE);
NETWARE_SET_SCREEN_MODE(1);
} /* print_version */
static void short_usage_sub(void)
{
printf("Usage: %s [OPTIONS] database [tables]\n", my_progname);
printf("OR %s [OPTIONS] --databases [OPTIONS] DB1 [DB2 DB3...]\n",
my_progname);
printf("OR %s [OPTIONS] --all-databases [OPTIONS]\n", my_progname);
NETWARE_SET_SCREEN_MODE(1);
}
static void usage(void)
{
print_version();
puts("By Igor Romanenko, Monty, Jani & Sinisa");
puts("This software comes with ABSOLUTELY NO WARRANTY. This is free software,\nand you are welcome to modify and redistribute it under the GPL license\n");
puts("Dumping definition and data mysql database or table");
short_usage_sub();
print_defaults("my",load_default_groups);
my_print_help(my_long_options);
my_print_variables(my_long_options);
} /* usage */
static void short_usage(void)
{
short_usage_sub();
printf("For more options, use %s --help\n", my_progname);
}
#include <help_end.h>
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)
{
if (opt_comments)
{
fprintf(sql_file, "-- MySQL dump %s\n--\n", DUMP_VERSION);
fprintf(sql_file, "-- Host: %s Database: %s\n",
current_host ? current_host : "localhost", db_name ? db_name :
"");
fputs("-- ------------------------------------------------------\n",
sql_file);
fprintf(sql_file, "-- Server version\t%s\n",
mysql_get_server_info(&mysql_connection));
}
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)
{
fprintf(md_result_file,"\
/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;\n\
/*!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\
/*!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_comments)
{
char time_str[20];
get_date(time_str, GETDATE_DATE_TIME, 0);
fprintf(sql_file, "-- Dump completed on %s\n",
time_str);
}
check_io(sql_file);
}
} /* write_footer */
static void free_table_ent(char *key)
{
my_free((gptr) key, MYF(0));
}
byte* get_table_key(const char *entry, uint *length,
my_bool not_used __attribute__((unused)))
{
*length= strlen(entry);
return (byte*) entry;
}
static my_bool
get_one_option(int optid, const struct my_option *opt __attribute__((unused)),
char *argument)
{
switch (optid) {
#ifdef __NETWARE__
case OPT_AUTO_CLOSE:
setscreenmode(SCR_AUTOCLOSE_ON_EXIT);
break;
#endif
case 'p':
if (argument)
{
char *start=argument;
my_free(opt_password,MYF(MY_ALLOW_ZERO_PTR));
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;
break;
case '#':
DBUG_PUSH(argument ? argument : default_dbug_option);
info_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':
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_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;
}
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, (byte*)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;
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, min(sizeof(buff), err_len));
fprintf(stderr, "Invalid mode to --compatible: %s\n", buff);
exit(1);
}
#if !defined(DBUG_OFF)
{
uint 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:
{
if ((opt_protocol= find_type(argument, &sql_protocol_typelib,0)) <= 0)
{
fprintf(stderr, "Unknown option to protocol: %s\n", argument);
exit(1);
}
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;
load_defaults("my",load_default_groups,argc,argv);
defaults_argv= *argv;
if (hash_init(&ignore_table, charset_info, 16, 0, 0,
(hash_get_key) get_table_key,
(hash_free_key) free_table_ent, 0))
return(EX_EOM);
/* Don't copy cluster internal log tables */
if (my_hash_insert(&ignore_table,
(byte*) my_strdup("mysql.apply_status", MYF(MY_WME))) ||
my_hash_insert(&ignore_table,
(byte*) my_strdup("mysql.schema", 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 (opt_delayed)
opt_lock=0; /* Can't have lock with delayed */
if (!path && (enclosed || opt_enclosed || escaped || lines_terminated ||
fields_terminated))
{
fprintf(stderr,
"%s: You must use option --tab with --fields-...\n", my_progname);
return(EX_USAGE);
}
/* Ensure consistency of the set of binlog & locking options */
if (opt_delete_master_logs && !opt_master_data)
opt_master_data= MYSQL_OPT_MASTER_DATA_COMMENTED_SQL;
if (opt_single_transaction && opt_lock_all_tables)
{
fprintf(stderr, "%s: You can't use --single-transaction and "
"--lock-all-tables at the same time.\n", my_progname);
return(EX_USAGE);
}
if (opt_master_data)
opt_lock_all_tables= !opt_single_transaction;
if (opt_single_transaction || opt_lock_all_tables)
lock_tables= 0;
if (enclosed && opt_enclosed)
{
fprintf(stderr, "%s: You can't use ..enclosed.. and ..optionally-enclosed.. at the same time.\n", my_progname);
return(EX_USAGE);
}
if ((opt_databases || opt_alldbs) && path)
{
fprintf(stderr,
"%s: --databases or --all-databases can't be used with --tab.\n",
my_progname);
return(EX_USAGE);
}
if (strcmp(default_charset, charset_info->csname) &&
!(charset_info= get_charset_by_csname(default_charset,
MY_CS_PRIMARY, MYF(MY_WME))))
exit(1);
if ((*argc < 1 && !opt_alldbs) || (*argc > 0 && opt_alldbs))
{
short_usage();
return EX_USAGE;
}
if (tty_password)
opt_password=get_tty_password(NullS);
return(0);
} /* get_options */
/*
** DB_error -- prints mysql error message and exits the program.
*/
static void DB_error(MYSQL *mysql, const char *when)
{
DBUG_ENTER("DB_error");
fprintf(stderr, "%s: Got error: %d: %s %s\n", my_progname,
mysql_errno(mysql), mysql_error(mysql), when);
fflush(stderr);
safe_exit(EX_MYSQLERR);
DBUG_VOID_RETURN;
} /* DB_error */
/*
Sends a query to server, optionally reads result, prints error message if
some.
SYNOPSIS
mysql_query_with_error_report()
mysql_con connection to use
res if non zero, result will be put there with
mysql_store_result()
query query to send to server
RETURN VALUES
0 query sending and (if res!=0) result reading went ok
1 error
*/
static int mysql_query_with_error_report(MYSQL *mysql_con, MYSQL_RES **res,
const char *query)
{
if (mysql_query(mysql_con, query) ||
(res && !((*res)= mysql_store_result(mysql_con))))
{
fprintf(stderr, "%s: Couldn't execute '%s': %s (%d)\n",
my_progname, query,
mysql_error(mysql_con), mysql_errno(mysql_con));
safe_exit(EX_MYSQLERR);
return 1;
}
return 0;
}
/*
Open a new .sql file to dump the table or view into
SYNOPSIS
open_sql_file_for_table
name name of the table or view
RETURN VALUES
0 Failed to open file
> 0 Handle of the open file
*/
static FILE* open_sql_file_for_table(const char* table)
{
FILE* res;
char filename[FN_REFLEN], tmp_path[FN_REFLEN];
convert_dirname(tmp_path,path,NullS);
res= my_fopen(fn_format(filename, table, tmp_path, ".sql", 4),
O_WRONLY, MYF(MY_WME));
return res;
}
static void free_resources()
{
if (md_result_file && md_result_file != stdout)
my_fclose(md_result_file, MYF(0));
my_free(opt_password, MYF(MY_ALLOW_ZERO_PTR));
if (hash_inited(&ignore_table))
hash_free(&ignore_table);
if (extended_insert)
dynstr_free(&extended_row);
if (insert_pat_inited)
dynstr_free(&insert_pat);
if (defaults_argv)
free_defaults(defaults_argv);
my_end(info_flag ? MY_CHECK_ERROR : 0);
}
static void safe_exit(int error)
{
if (!first_error)
first_error= error;
if (ignore_errors)
return;
if (mysql)
mysql_close(mysql);
free_resources();
exit(error);
}
/*
db_connect -- connects to the host and selects DB.
*/
static int connect_to_db(char *host, char *user,char *passwd)
{
char buff[20+FN_REFLEN];
DBUG_ENTER("connect_to_db");
verbose_msg("-- Connecting to %s...\n", host ? host : "localhost");
mysql_init(&mysql_connection);
if (opt_compress)
mysql_options(&mysql_connection,MYSQL_OPT_COMPRESS,NullS);
#ifdef HAVE_OPENSSL
if (opt_use_ssl)
mysql_ssl_set(&mysql_connection, opt_ssl_key, opt_ssl_cert, opt_ssl_ca,
opt_ssl_capath, opt_ssl_cipher);
mysql_options(&mysql_connection,MYSQL_OPT_SSL_VERIFY_SERVER_CERT,
(char*)&opt_ssl_verify_server_cert);
#endif
if (opt_protocol)
mysql_options(&mysql_connection,MYSQL_OPT_PROTOCOL,(char*)&opt_protocol);
#ifdef HAVE_SMEM
if (shared_memory_base_name)
mysql_options(&mysql_connection,MYSQL_SHARED_MEMORY_BASE_NAME,shared_memory_base_name);
#endif
mysql_options(&mysql_connection, MYSQL_SET_CHARSET_NAME, default_charset);
if (!(mysql= mysql_real_connect(&mysql_connection,host,user,passwd,
NULL,opt_mysql_port,opt_mysql_unix_port,
0)))
{
DB_error(&mysql_connection, "when trying to connect");
DBUG_RETURN(1);
}
/*
Don't dump SET NAMES with a pre-4.1 server (bug#7997).
*/
if (mysql_get_server_version(&mysql_connection) < 40100)
opt_set_charset= 0;
/*
As we're going to set SQL_MODE, it would be lost on reconnect, so we
cannot reconnect.
*/
mysql->reconnect= 0;
my_snprintf(buff, sizeof(buff), "/*!40100 SET @@SQL_MODE='%s' */",
compatible_mode_normal_str);
if (mysql_query_with_error_report(mysql, 0, buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(1);
}
/*
set time_zone to UTC to allow dumping date types between servers with
different time zone settings
*/
if (opt_tz_utc)
{
my_snprintf(buff, sizeof(buff), "/*!40103 SET TIME_ZONE='+00:00' */");
if (mysql_query_with_error_report(mysql, 0, buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(1);
}
}
DBUG_RETURN(0);
} /* connect_to_db */
/*
** dbDisconnect -- disconnects from the host.
*/
static void dbDisconnect(char *host)
{
verbose_msg("-- Disconnecting from %s...\n", host ? host : "localhost");
mysql_close(mysql);
} /* dbDisconnect */
static void unescape(FILE *file,char *pos,uint length)
{
char *tmp;
DBUG_ENTER("unescape");
if (!(tmp=(char*) my_malloc(length*2+1, MYF(MY_WME))))
{
ignore_errors=0; /* Fatal error */
safe_exit(EX_MYSQLERR); /* Force exit */
}
mysql_real_escape_string(&mysql_connection, tmp, pos, length);
fputc('\'', file);
fputs(tmp, file);
fputc('\'', file);
check_io(file);
my_free(tmp, MYF(MY_WME));
DBUG_VOID_RETURN;
} /* unescape */
static my_bool test_if_special_chars(const char *str)
{
#if MYSQL_VERSION_ID >= 32300
for ( ; *str ; str++)
if (!my_isvar(charset_info,*str) && *str != '$')
return 1;
#endif
return 0;
} /* test_if_special_chars */
/*
quote_name(name, buff, force)
Quotes char string, taking into account compatible mode
Args
name Unquoted string containing that which will be quoted
buff The buffer that contains the quoted value, also returned
force Flag to make it ignore 'test_if_special_chars'
Returns
buff quoted string
*/
static char *quote_name(const char *name, char *buff, my_bool force)
{
char *to= buff;
char qtype= (opt_compatible_mode & MASK_ANSI_QUOTES) ? '\"' : '`';
if (!force && !opt_quoted && !test_if_special_chars(name))
return (char*) name;
*to++= qtype;
while (*name)
{
if (*name == qtype)
*to++= qtype;
*to++= *name++;
}
to[0]= qtype;
to[1]= 0;
return buff;
} /* quote_name */
/*
Quote a table name so it can be used in "SHOW TABLES LIKE <tabname>"
SYNOPSIS
quote_for_like()
name name of the table
buff quoted name of the table
DESCRIPTION
Quote \, _, ' and % characters
Note: Because MySQL uses the C escape syntax in strings
(for example, '\n' to represent newline), you must double
any '\' that you use in your LIKE strings. For example, to
search for '\n', specify it as '\\n'. To search for '\', specify
it as '\\\\' (the backslashes are stripped once by the parser
and another time when the pattern match is done, leaving a
single backslash to be matched).
Example: "t\1" => "t\\\\1"
*/
static char *quote_for_like(const char *name, char *buff)
{
char *to= buff;
*to++= '\'';
while (*name)
{
if (*name == '\\')
{
*to++='\\';
*to++='\\';
*to++='\\';
}
else if (*name == '\'' || *name == '_' || *name == '%')
*to++= '\\';
*to++= *name++;
}
to[0]= '\'';
to[1]= 0;
return buff;
}
/*
Quote and print a string.
SYNOPSIS
print_quoted_xml()
xml_file - output file
str - string to print
len - its length
DESCRIPTION
Quote '<' '>' '&' '\"' chars and print a string to the xml_file.
*/
static void print_quoted_xml(FILE *xml_file, const char *str, ulong len)
{
const char *end;
for (end= str + len; str != end; str++)
{
switch (*str) {
case '<':
fputs("&lt;", xml_file);
break;
case '>':
fputs("&gt;", xml_file);
break;
case '&':
fputs("&amp;", xml_file);
break;
case '\"':
fputs("&quot;", xml_file);
break;
default:
fputc(*str, xml_file);
break;
}
}
check_io(xml_file);
}
/*
Print xml tag. Optionally add attribute(s).
SYNOPSIS
print_xml_tag(xml_file, sbeg, send, tag_name, first_attribute_name,
..., attribute_name_n, attribute_value_n, NullS)
xml_file - output file
sbeg - line beginning
send - line ending
tag_name - XML tag name.
first_attribute_name - tag and first attribute
first_attribute_value - (Implied) value of first attribute
attribute_name_n - attribute n
attribute_value_n - value of attribute n
DESCRIPTION
Print XML tag with any number of attribute="value" pairs to the xml_file.
Format is:
sbeg<tag_name first_attribute_name="first_attribute_value" ...
attribute_name_n="attribute_value_n">send
NOTE
Additional arguments must be present in attribute/value pairs.
The last argument should be the null character pointer.
All attribute_value arguments MUST be NULL terminated strings.
All attribute_value arguments will be quoted before output.
*/
static void print_xml_tag(FILE * xml_file, const char* sbeg, const char* send,
const char* tag_name,
const char* first_attribute_name, ...)
{
va_list arg_list;
const char *attribute_name, *attribute_value;
fputs(sbeg, xml_file);
fputc('<', xml_file);
fputs(tag_name, xml_file);
va_start(arg_list, first_attribute_name);
attribute_name= first_attribute_name;
while (attribute_name != NullS)
{
attribute_value= va_arg(arg_list, char *);
DBUG_ASSERT(attribute_value != NullS);
fputc(' ', xml_file);
fputs(attribute_name, xml_file);
fputc('\"', xml_file);
print_quoted_xml(xml_file, attribute_value, strlen(attribute_value));
fputc('\"', xml_file);
attribute_name= va_arg(arg_list, char *);
}
va_end(arg_list);
fputc('>', xml_file);
fputs(send, xml_file);
check_io(xml_file);
}
/*
Print xml tag with for a field that is null
SYNOPSIS
print_xml_null_tag()
xml_file - output file
sbeg - line beginning
stag_atr - tag and attribute
sval - value of attribute
send - line ending
DESCRIPTION
Print tag with one attribute to the xml_file. Format is:
<stag_atr="sval" xsi:nil="true"/>
NOTE
sval MUST be a NULL terminated string.
sval string will be qouted before output.
*/
static void print_xml_null_tag(FILE * xml_file, const char* sbeg,
const char* stag_atr, const char* sval,
const char* send)
{
fputs(sbeg, xml_file);
fputs("<", xml_file);
fputs(stag_atr, xml_file);
fputs("\"", xml_file);
print_quoted_xml(xml_file, sval, strlen(sval));
fputs("\" xsi:nil=\"true\" />", xml_file);
fputs(send, xml_file);
check_io(xml_file);
}
/*
Print xml tag with many attributes.
SYNOPSIS
print_xml_row()
xml_file - output file
row_name - xml tag name
tableRes - query result
row - result row
DESCRIPTION
Print tag with many attribute to the xml_file. Format is:
\t\t<row_name Atr1="Val1" Atr2="Val2"... />
NOTE
All atributes and values will be quoted before output.
*/
static void print_xml_row(FILE *xml_file, const char *row_name,
MYSQL_RES *tableRes, MYSQL_ROW *row)
{
uint i;
MYSQL_FIELD *field;
ulong *lengths= mysql_fetch_lengths(tableRes);
fprintf(xml_file, "\t\t<%s", row_name);
check_io(xml_file);
mysql_field_seek(tableRes, 0);
for (i= 0; (field= mysql_fetch_field(tableRes)); i++)
{
if ((*row)[i])
{
fputc(' ', xml_file);
print_quoted_xml(xml_file, field->name, field->name_length);
fputs("=\"", xml_file);
print_quoted_xml(xml_file, (*row)[i], lengths[i]);
fputc('"', xml_file);
check_io(xml_file);
}
}
fputs(" />\n", xml_file);
check_io(xml_file);
}
/*
Print hex value for blob data.
SYNOPSIS
print_blob_as_hex()
output_file - output file
str - string to print
len - its length
DESCRIPTION
Print hex value for blob data.
*/
static void print_blob_as_hex(FILE *output_file, const char *str, ulong len)
{
/* sakaik got the idea to to provide blob's in hex notation. */
const char *ptr= str, *end= ptr + len;
for (; ptr < end ; ptr++)
fprintf(output_file, "%02X", *((uchar *)ptr));
check_io(output_file);
}
/*
dump_routines_for_db
-- retrievs list of routines for a given db, and prints out
the CREATE PROCEDURE definition into the output (the dump).
This function has logic to print the appropriate syntax depending on whether
this is a procedure or functions
RETURN
0 Success
1 Error
*/
static uint dump_routines_for_db(char *db)
{
char query_buff[512];
const char *routine_type[]= {"FUNCTION", "PROCEDURE"};
char db_name_buff[NAME_LEN*2+3], name_buff[NAME_LEN*2+3];
char *routine_name;
int i;
FILE *sql_file= md_result_file;
MYSQL_RES *routine_res, *routine_list_res;
MYSQL_ROW row, routine_list_row;
DBUG_ENTER("dump_routines_for_db");
DBUG_PRINT("enter", ("db: '%s'", db));
mysql_real_escape_string(mysql, db_name_buff, db, strlen(db));
/* nice comments */
if (opt_comments)
fprintf(sql_file, "\n--\n-- Dumping routines for database '%s'\n--\n", db);
/*
not using "mysql_query_with_error_report" because we may have not
enough privileges to lock mysql.proc.
*/
if (lock_tables)
mysql_query(mysql, "LOCK TABLES mysql.proc READ");
fprintf(sql_file, "DELIMITER ;;\n");
/* 0, retrieve and dump functions, 1, procedures */
for (i= 0; i <= 1; i++)
{
my_snprintf(query_buff, sizeof(query_buff),
"SHOW %s STATUS WHERE Db = '%s'",
routine_type[i], db_name_buff);
if (mysql_query_with_error_report(mysql, &routine_list_res, query_buff))
DBUG_RETURN(1);
if (mysql_num_rows(routine_list_res))
{
while ((routine_list_row= mysql_fetch_row(routine_list_res)))
{
DBUG_PRINT("info", ("retrieving CREATE %s for %s", routine_type[i],
name_buff));
routine_name= quote_name(routine_list_row[1], name_buff, 0);
my_snprintf(query_buff, sizeof(query_buff), "SHOW CREATE %s %s",
routine_type[i], routine_name);
if (mysql_query_with_error_report(mysql, &routine_res, query_buff))
DBUG_RETURN(1);
while ((row= mysql_fetch_row(routine_res)))
{
/*
if the user has EXECUTE privilege he see routine names, but NOT the
routine body of other routines that are not the creator of!
*/
DBUG_PRINT("info",("length of body for %s row[2] '%s' is %d",
routine_name, row[2], (int) strlen(row[2])));
if (strlen(row[2]))
{
char *query_str= NULL;
char *definer_begin;
if (opt_drop)
fprintf(sql_file, "/*!50003 DROP %s IF EXISTS %s */;;\n",
routine_type[i], routine_name);
/*
Cover DEFINER-clause in version-specific comments.
TODO: this is definitely a BAD IDEA to parse SHOW CREATE output.
We should user INFORMATION_SCHEMA instead. The only problem is
that now INFORMATION_SCHEMA does not provide information about
routine parameters.
*/
definer_begin= strstr(row[2], " DEFINER");
if (definer_begin)
{
char *definer_end= strstr(definer_begin, " PROCEDURE");
if (!definer_end)
definer_end= strstr(definer_begin, " FUNCTION");
if (definer_end)
{
char *query_str_tail;
/*
Allocate memory for new query string: original string
from SHOW statement and version-specific comments.
*/
query_str= alloc_query_str(strlen(row[2]) + 23);
query_str_tail= strnmov(query_str, row[2],
definer_begin - row[2]);
query_str_tail= strmov(query_str_tail, "*/ /*!50020");
query_str_tail= strnmov(query_str_tail, definer_begin,
definer_end - definer_begin);
query_str_tail= strxmov(query_str_tail, "*/ /*!50003",
definer_end, NullS);
}
}
/*
we need to change sql_mode only for the CREATE
PROCEDURE/FUNCTION otherwise we may need to re-quote routine_name
*/;
fprintf(sql_file, "/*!50003 SET SESSION SQL_MODE=\"%s\"*/;;\n",
row[1] /* sql_mode */);
fprintf(sql_file, "/*!50003 %s */;;\n",
(query_str != NULL ? query_str : row[2]));
fprintf(sql_file,
"/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE*/"
";;\n");
my_free(query_str, MYF(MY_ALLOW_ZERO_PTR));
}
} /* end of routine printing */
} /* end of list of routines */
mysql_free_result(routine_res);
}
mysql_free_result(routine_list_res);
} /* end of for i (0 .. 1) */
/* set the delimiter back to ';' */
fprintf(sql_file, "DELIMITER ;\n");
if (lock_tables)
VOID(mysql_query_with_error_report(mysql, 0, "UNLOCK TABLES"));
DBUG_RETURN(0);
}
/*
get_table_structure -- retrievs database structure, prints out corresponding
CREATE statement and fills out insert_pat if the table is the type we will
be dumping.
ARGS
table - table name
db - db name
table_type - table type, e.g. "MyISAM" or "InnoDB", but also "VIEW"
ignore_flag - what we must particularly ignore - see IGNORE_ defines above
RETURN
number of fields in table, 0 if error
*/
static uint get_table_structure(char *table, char *db, char *table_type,
char *ignore_flag)
{
my_bool init=0, delayed, write_data, complete_insert;
my_ulonglong num_fields;
char *result_table, *opt_quoted_table;
const char *insert_option;
char name_buff[NAME_LEN+3],table_buff[NAME_LEN*2+3];
char table_buff2[NAME_LEN*2+3], query_buff[512];
FILE *sql_file= md_result_file;
int len;
MYSQL_RES *result;
MYSQL_ROW row;
DBUG_ENTER("get_table_structure");
DBUG_PRINT("enter", ("db: %s table: %s", db, table));
*ignore_flag= check_if_ignore_table(table, table_type);
delayed= opt_delayed;
if (delayed && (*ignore_flag & IGNORE_INSERT_DELAYED))
{
delayed= 0;
verbose_msg("-- Warning: Unable to use delayed inserts for table '%s' "
"because it's of type %s\n", table, table_type);
}
complete_insert= 0;
if ((write_data= !(*ignore_flag & IGNORE_DATA)))
{
complete_insert= opt_complete_insert;
if (!insert_pat_inited)
{
insert_pat_inited= 1;
if (init_dynamic_string(&insert_pat, "", 1024, 1024))
safe_exit(EX_MYSQLERR);
}
else
dynstr_set(&insert_pat, "");
}
insert_option= ((delayed && opt_ignore) ? " DELAYED IGNORE " :
delayed ? " DELAYED " : opt_ignore ? " IGNORE " : "");
verbose_msg("-- Retrieving table structure for table %s...\n", table);
len= my_snprintf(query_buff, sizeof(query_buff),
"SET OPTION SQL_QUOTE_SHOW_CREATE=%d",
(opt_quoted || opt_keywords));
if (!create_options)
strmov(query_buff+len,
"/*!40102 ,SQL_MODE=concat(@@sql_mode, _utf8 ',NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS') */");
result_table= quote_name(table, table_buff, 1);
opt_quoted_table= quote_name(table, table_buff2, 0);
if (opt_order_by_primary)
order_by= primary_key_fields(result_table);
if (!opt_xml && !mysql_query_with_error_report(mysql, 0, query_buff))
{
/* using SHOW CREATE statement */
if (!opt_no_create_info)
{
/* Make an sql-file, if path was given iow. option -T was given */
char buff[20+FN_REFLEN];
MYSQL_FIELD *field;
my_snprintf(buff, sizeof(buff), "show create table %s", result_table);
if (mysql_query_with_error_report(mysql, 0, buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
if (path)
{
if (!(sql_file= open_sql_file_for_table(table)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
write_header(sql_file, db);
}
if (!opt_xml && opt_comments)
{
if (strcmp (table_type, "VIEW") == 0) /* view */
fprintf(sql_file, "\n--\n-- Temporary table structure for view %s\n--\n\n",
result_table);
else
fprintf(sql_file, "\n--\n-- Table structure for table %s\n--\n\n",
result_table);
check_io(sql_file);
}
if (opt_drop)
{
/*
Even if the "table" is a view, we do a DROP TABLE here. The
view-specific code below fills in the DROP VIEW.
*/
fprintf(sql_file, "DROP TABLE IF EXISTS %s;\n",
opt_quoted_table);
check_io(sql_file);
}
result= mysql_store_result(mysql);
field= mysql_fetch_field_direct(result, 0);
if (strcmp(field->name, "View") == 0)
{
char *scv_buff= NULL;
verbose_msg("-- It's a view, create dummy table for view\n");
/* save "show create" statement for later */
if ((row= mysql_fetch_row(result)) && (scv_buff=row[1]))
scv_buff= my_strdup(scv_buff, MYF(0));
mysql_free_result(result);
/*
Create a table with the same name as the view and with columns of
the same name in order to satisfy views that depend on this view.
The table will be removed when the actual view is created.
The properties of each column, aside from the data type, are not
preserved in this temporary table, because they are not necessary.
This will not be necessary once we can determine dependencies
between views and can simply dump them in the appropriate order.
*/
my_snprintf(query_buff, sizeof(query_buff),
"SHOW FIELDS FROM %s", result_table);
if (mysql_query_with_error_report(mysql, 0, query_buff))
{
/*
View references invalid or privileged table/col/fun (err 1356),
so we cannot create a stand-in table. Be defensive and dump
a comment with the view's 'show create' statement. (Bug #17371)
*/
if (mysql_errno(mysql) == ER_VIEW_INVALID)
fprintf(sql_file, "\n-- failed on view %s: %s\n\n", result_table, scv_buff ? scv_buff : "");
my_free(scv_buff, MYF(MY_ALLOW_ZERO_PTR));
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
else
my_free(scv_buff, MYF(MY_ALLOW_ZERO_PTR));
if ((result= mysql_store_result(mysql)))
{
if (mysql_num_rows(result))
{
if (opt_drop)
{
/*
We have already dropped any table of the same name
above, so here we just drop the view.
*/
fprintf(sql_file, "/*!50001 DROP VIEW IF EXISTS %s*/;\n",
opt_quoted_table);
check_io(sql_file);
}
fprintf(sql_file, "/*!50001 CREATE TABLE %s (\n", result_table);
/*
Get first row, following loop will prepend comma - keeps
from having to know if the row being printed is last to
determine if there should be a _trailing_ comma.
*/
row= mysql_fetch_row(result);
fprintf(sql_file, " %s %s", quote_name(row[0], name_buff, 0),
row[1]);
while((row= mysql_fetch_row(result)))
{
/* col name, col type */
fprintf(sql_file, ",\n %s %s",
quote_name(row[0], name_buff, 0), row[1]);
}
fprintf(sql_file, "\n) */;\n");
check_io(sql_file);
}
}
mysql_free_result(result);
if (path)
my_fclose(sql_file, MYF(MY_WME));
seen_views= 1;
DBUG_RETURN(0);
}
row= mysql_fetch_row(result);
fprintf(sql_file, "%s;\n", row[1]);
check_io(sql_file);
mysql_free_result(result);
}
my_snprintf(query_buff, sizeof(query_buff), "show fields from %s",
result_table);
if (mysql_query_with_error_report(mysql, &result, query_buff))
{
if (path)
my_fclose(sql_file, MYF(MY_WME));
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
/*
If write_data is true, then we build up insert statements for
the table's data. Note: in subsequent lines of code, this test
will have to be performed each time we are appending to
insert_pat.
*/
if (write_data)
{
dynstr_append_mem(&insert_pat, "INSERT ", 7);
dynstr_append(&insert_pat, insert_option);
dynstr_append_mem(&insert_pat, "INTO ", 5);
dynstr_append(&insert_pat, opt_quoted_table);
if (complete_insert)
{
dynstr_append_mem(&insert_pat, " (", 2);
}
else
{
dynstr_append_mem(&insert_pat, " VALUES ", 8);
if (!extended_insert)
dynstr_append_mem(&insert_pat, "(", 1);
}
}
while ((row= mysql_fetch_row(result)))
{
if (complete_insert)
{
if (init)
{
dynstr_append_mem(&insert_pat, ", ", 2);
}
init=1;
dynstr_append(&insert_pat,
quote_name(row[SHOW_FIELDNAME], name_buff, 0));
}
}
num_fields= mysql_num_rows(result);
mysql_free_result(result);
}
else
{
verbose_msg("%s: Warning: Can't set SQL_QUOTE_SHOW_CREATE option (%s)\n",
my_progname, mysql_error(mysql));
my_snprintf(query_buff, sizeof(query_buff), "show fields from %s",
result_table);
if (mysql_query_with_error_report(mysql, &result, query_buff))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
/* Make an sql-file, if path was given iow. option -T was given */
if (!opt_no_create_info)
{
if (path)
{
if (!(sql_file= open_sql_file_for_table(table)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
write_header(sql_file, db);
}
if (!opt_xml && opt_comments)
fprintf(sql_file, "\n--\n-- Table structure for table %s\n--\n\n",
result_table);
if (opt_drop)
fprintf(sql_file, "DROP TABLE IF EXISTS %s;\n", result_table);
if (!opt_xml)
fprintf(sql_file, "CREATE TABLE %s (\n", result_table);
else
print_xml_tag(sql_file, "\t", "\n", "table_structure", "name=", table,
NullS);
check_io(sql_file);
}
if (write_data)
{
dynstr_append_mem(&insert_pat, "INSERT ", 7);
dynstr_append(&insert_pat, insert_option);
dynstr_append_mem(&insert_pat, "INTO ", 5);
dynstr_append(&insert_pat, result_table);
if (opt_complete_insert)
dynstr_append_mem(&insert_pat, " (", 2);
else
{
dynstr_append_mem(&insert_pat, " VALUES ", 8);
if (!extended_insert)
dynstr_append_mem(&insert_pat, "(", 1);
}
}
while ((row= mysql_fetch_row(result)))
{
ulong *lengths= mysql_fetch_lengths(result);
if (init)
{
if (!opt_xml && !opt_no_create_info)
{
fputs(",\n",sql_file);
check_io(sql_file);
}
if (complete_insert)
dynstr_append_mem(&insert_pat, ", ", 2);
}
init=1;
if (opt_complete_insert)
dynstr_append(&insert_pat,
quote_name(row[SHOW_FIELDNAME], name_buff, 0));
if (!opt_no_create_info)
{
if (opt_xml)
{
print_xml_row(sql_file, "field", result, &row);
continue;
}
if (opt_keywords)
fprintf(sql_file, " %s.%s %s", result_table,
quote_name(row[SHOW_FIELDNAME],name_buff, 0),
row[SHOW_TYPE]);
else
fprintf(sql_file, " %s %s", quote_name(row[SHOW_FIELDNAME],
name_buff, 0),
row[SHOW_TYPE]);
if (row[SHOW_DEFAULT])
{
fputs(" DEFAULT ", sql_file);
unescape(sql_file, row[SHOW_DEFAULT], lengths[SHOW_DEFAULT]);
}
if (!row[SHOW_NULL][0])
fputs(" NOT NULL", sql_file);
if (row[SHOW_EXTRA][0])
fprintf(sql_file, " %s",row[SHOW_EXTRA]);
check_io(sql_file);
}
}
num_fields= mysql_num_rows(result);
mysql_free_result(result);
if (!opt_no_create_info)
{
/* Make an sql-file, if path was given iow. option -T was given */
char buff[20+FN_REFLEN];
uint keynr,primary_key;
my_snprintf(buff, sizeof(buff), "show keys from %s", result_table);
if (mysql_query_with_error_report(mysql, &result, buff))
{
if (mysql_errno(mysql) == ER_WRONG_OBJECT)
{
/* it is VIEW */
fputs("\t\t<options Comment=\"view\" />\n", sql_file);
goto continue_xml;
}
fprintf(stderr, "%s: Can't get keys for table %s (%s)\n",
my_progname, result_table, mysql_error(mysql));
if (path)
my_fclose(sql_file, MYF(MY_WME));
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
/* Find first which key is primary key */
keynr=0;
primary_key=INT_MAX;
while ((row= mysql_fetch_row(result)))
{
if (atoi(row[3]) == 1)
{
keynr++;
#ifdef FORCE_PRIMARY_KEY
if (atoi(row[1]) == 0 && primary_key == INT_MAX)
primary_key=keynr;
#endif
if (!strcmp(row[2],"PRIMARY"))
{
primary_key=keynr;
break;
}
}
}
mysql_data_seek(result,0);
keynr=0;
while ((row= mysql_fetch_row(result)))
{
if (opt_xml)
{
print_xml_row(sql_file, "key", result, &row);
continue;
}
if (atoi(row[3]) == 1)
{
if (keynr++)
putc(')', sql_file);
if (atoi(row[1])) /* Test if duplicate key */
/* Duplicate allowed */
fprintf(sql_file, ",\n KEY %s (",quote_name(row[2],name_buff,0));
else if (keynr == primary_key)
fputs(",\n PRIMARY KEY (",sql_file); /* First UNIQUE is primary */
else
fprintf(sql_file, ",\n UNIQUE %s (",quote_name(row[2],name_buff,
0));
}
else
putc(',', sql_file);
fputs(quote_name(row[4], name_buff, 0), sql_file);
if (row[7])
fprintf(sql_file, " (%s)",row[7]); /* Sub key */
check_io(sql_file);
}
if (!opt_xml)
{
if (keynr)
putc(')', sql_file);
fputs("\n)",sql_file);
check_io(sql_file);
}
/* Get MySQL specific create options */
if (create_options)
{
char show_name_buff[NAME_LEN*2+2+24];
/* Check memory for quote_for_like() */
my_snprintf(buff, sizeof(buff), "show table status like %s",
quote_for_like(table, show_name_buff));
if (mysql_query_with_error_report(mysql, &result, buff))
{
if (mysql_errno(mysql) != ER_PARSE_ERROR)
{ /* If old MySQL version */
verbose_msg("-- Warning: Couldn't get status information for " \
"table %s (%s)\n", result_table,mysql_error(mysql));
}
}
else if (!(row= mysql_fetch_row(result)))
{
fprintf(stderr,
"Error: Couldn't read status information for table %s (%s)\n",
result_table,mysql_error(mysql));
}
else
{
if (opt_xml)
print_xml_row(sql_file, "options", result, &row);
else
{
fputs("/*!",sql_file);
print_value(sql_file,result,row,"engine=","Engine",0);
print_value(sql_file,result,row,"","Create_options",0);
print_value(sql_file,result,row,"comment=","Comment",1);
fputs(" */",sql_file);
check_io(sql_file);
}
}
mysql_free_result(result); /* Is always safe to free */
}
continue_xml:
if (!opt_xml)
fputs(";\n", sql_file);
else
fputs("\t</table_structure>\n", sql_file);
check_io(sql_file);
}
}
if (opt_complete_insert)
{
dynstr_append_mem(&insert_pat, ") VALUES ", 9);
if (!extended_insert)
dynstr_append_mem(&insert_pat, "(", 1);
}
if (sql_file != md_result_file)
{
fputs("\n", sql_file);
write_footer(sql_file);
my_fclose(sql_file, MYF(MY_WME));
}
DBUG_RETURN((uint) num_fields);
} /* get_table_structure */
/*
dump_triggers_for_table
Dumps the triggers given a table/db name. This should be called after
the tables have been dumped in case a trigger depends on the existence
of a table
*/
static void dump_triggers_for_table(char *table, char *db)
{
char *result_table;
char name_buff[NAME_LEN*4+3], table_buff[NAME_LEN*2+3];
char query_buff[512];
uint old_opt_compatible_mode=opt_compatible_mode;
FILE *sql_file= md_result_file;
MYSQL_RES *result;
MYSQL_ROW row;
DBUG_ENTER("dump_triggers_for_table");
DBUG_PRINT("enter", ("db: %s, table: %s", db, table));
/* Do not use ANSI_QUOTES on triggers in dump */
opt_compatible_mode&= ~MASK_ANSI_QUOTES;
result_table= quote_name(table, table_buff, 1);
my_snprintf(query_buff, sizeof(query_buff),
"SHOW TRIGGERS LIKE %s",
quote_for_like(table, name_buff));
if (mysql_query_with_error_report(mysql, &result, query_buff))
{
if (path)
my_fclose(sql_file, MYF(MY_WME));
safe_exit(EX_MYSQLERR);
DBUG_VOID_RETURN;
}
if (mysql_num_rows(result))
fprintf(sql_file, "\n/*!50003 SET @OLD_SQL_MODE=@@SQL_MODE*/;\n\
DELIMITER ;;\n");
while ((row= mysql_fetch_row(result)))
{
fprintf(sql_file,
"/*!50003 SET SESSION SQL_MODE=\"%s\" */;;\n"
"/*!50003 CREATE */ ",
row[6] /* sql_mode */);
if (mysql_num_fields(result) > 7)
{
/*
mysqldump can be run against the server, that does not support definer
in triggers (there is no DEFINER column in SHOW TRIGGERS output). So,
we should check if we have this column before accessing it.
*/
uint user_name_len;
char user_name_str[USERNAME_LENGTH + 1];
char quoted_user_name_str[USERNAME_LENGTH * 2 + 3];
uint host_name_len;
char host_name_str[HOSTNAME_LENGTH + 1];
char quoted_host_name_str[HOSTNAME_LENGTH * 2 + 3];
parse_user(row[7], strlen(row[7]), user_name_str, &user_name_len,
host_name_str, &host_name_len);
fprintf(sql_file,
"/*!50017 DEFINER=%s@%s */ ",
quote_name(user_name_str, quoted_user_name_str, FALSE),
quote_name(host_name_str, quoted_host_name_str, FALSE));
}
fprintf(sql_file,
"/*!50003 TRIGGER %s %s %s ON %s FOR EACH ROW%s%s */;;\n\n",
quote_name(row[0], name_buff, 0), /* Trigger */
row[4], /* Timing */
row[1], /* Event */
result_table,
(strchr(" \t\n\r", *(row[3]))) ? "" : " ",
row[3] /* Statement */);
}
if (mysql_num_rows(result))
fprintf(sql_file,
"DELIMITER ;\n"
"/*!50003 SET SESSION SQL_MODE=@OLD_SQL_MODE */;\n");
mysql_free_result(result);
/*
make sure to set back opt_compatible mode to
original value
*/
opt_compatible_mode=old_opt_compatible_mode;
DBUG_VOID_RETURN;
}
static char *add_load_option(char *ptr,const char *object,
const char *statement)
{
if (object)
{
/* Don't escape hex constants */
if (object[0] == '0' && (object[1] == 'x' || object[1] == 'X'))
ptr= strxmov(ptr," ",statement," ",object,NullS);
else
{
/* char constant; escape */
ptr= strxmov(ptr," ",statement," '",NullS);
ptr= field_escape(ptr,object,(uint) strlen(object));
*ptr++= '\'';
}
}
return ptr;
} /* add_load_option */
/*
Allow the user to specify field terminator strings like:
"'", "\", "\\" (escaped backslash), "\t" (tab), "\n" (newline)
This is done by doubling ' and add a end -\ if needed to avoid
syntax errors from the SQL parser.
*/
static char *field_escape(char *to,const char *from,uint length)
{
const char *end;
uint end_backslashes=0;
for (end= from+length; from != end; from++)
{
*to++= *from;
if (*from == '\\')
end_backslashes^=1; /* find odd number of backslashes */
else
{
if (*from == '\'' && !end_backslashes)
*to++= *from; /* We want a duplicate of "'" for MySQL */
end_backslashes=0;
}
}
/* Add missing backslashes if user has specified odd number of backs.*/
if (end_backslashes)
*to++= '\\';
return to;
} /* field_escape */
static char *alloc_query_str(ulong size)
{
char *query;
if (!(query= (char*) my_malloc(size, MYF(MY_WME))))
{
ignore_errors= 0; /* Fatal error */
safe_exit(EX_MYSQLERR); /* Force exit */
}
return query;
}
/*
SYNOPSIS
dump_table()
dump_table saves database contents as a series of INSERT statements.
ARGS
table - table name
db - db name
RETURNS
void
*/
static void dump_table(char *table, char *db)
{
char ignore_flag;
char query_buf[QUERY_LENGTH], *end, buff[256],table_buff[NAME_LEN+3];
char table_type[NAME_LEN];
char *result_table, table_buff2[NAME_LEN*2+3], *opt_quoted_table;
char *query= query_buf;
int error= 0;
ulong rownr, row_break, total_length, init_length;
uint num_fields;
MYSQL_RES *res;
MYSQL_FIELD *field;
MYSQL_ROW row;
DBUG_ENTER("dump_table");
/*
Make sure you get the create table info before the following check for
--no-data flag below. Otherwise, the create table info won't be printed.
*/
num_fields= get_table_structure(table, db, table_type, &ignore_flag);
/*
The "table" could be a view. If so, we don't do anything here.
*/
if (strcmp (table_type, "VIEW") == 0)
DBUG_VOID_RETURN;
/* Check --no-data flag */
if (opt_no_data)
{
verbose_msg("-- Skipping dump data for table '%s', --no-data was used\n",
table);
DBUG_VOID_RETURN;
}
DBUG_PRINT("info",
("ignore_flag: %x num_fields: %d", (int) ignore_flag,
num_fields));
/*
If the table type is a merge table or any type that has to be
_completely_ ignored and no data dumped
*/
if (ignore_flag & IGNORE_DATA)
{
verbose_msg("-- Warning: Skipping data for table '%s' because " \
"it's of type %s\n", table, table_type);
DBUG_VOID_RETURN;
}
/* Check that there are any fields in the table */
if (num_fields == 0)
{
verbose_msg("-- Skipping dump data for table '%s', it has no fields\n",
table);
DBUG_VOID_RETURN;
}
result_table= quote_name(table,table_buff, 1);
opt_quoted_table= quote_name(table, table_buff2, 0);
verbose_msg("-- Sending SELECT query...\n");
if (path)
{
char filename[FN_REFLEN], tmp_path[FN_REFLEN];
convert_dirname(tmp_path,path,NullS);
my_load_path(tmp_path, tmp_path, NULL);
fn_format(filename, table, tmp_path, ".txt", 4);
my_delete(filename, MYF(0)); /* 'INTO OUTFILE' doesn't work, if
filename wasn't deleted */
to_unix_path(filename);
my_snprintf(query, QUERY_LENGTH,
"SELECT /*!40001 SQL_NO_CACHE */ * INTO OUTFILE '%s'",
filename);
end= strend(query);
if (fields_terminated || enclosed || opt_enclosed || escaped)
end= strmov(end, " FIELDS");
end= add_load_option(end, fields_terminated, " TERMINATED BY");
end= add_load_option(end, enclosed, " ENCLOSED BY");
end= add_load_option(end, opt_enclosed, " OPTIONALLY ENCLOSED BY");
end= add_load_option(end, escaped, " ESCAPED BY");
end= add_load_option(end, lines_terminated, " LINES TERMINATED BY");
*end= '\0';
my_snprintf(buff, sizeof(buff), " FROM %s", result_table);
end= strmov(end,buff);
if (where || order_by)
{
query= alloc_query_str((ulong) ((end - query) + 1 +
(where ? strlen(where) + 7 : 0) +
(order_by ? strlen(order_by) + 10 : 0)));
end= strmov(query, query_buf);
if (where)
end= strxmov(end, " WHERE ", where, NullS);
if (order_by)
end= strxmov(end, " ORDER BY ", order_by, NullS);
}
if (mysql_real_query(mysql, query, (uint) (end - query)))
{
DB_error(mysql, "when executing 'SELECT INTO OUTFILE'");
DBUG_VOID_RETURN;
}
}
else
{
if (!opt_xml && opt_comments)
{
fprintf(md_result_file,"\n--\n-- Dumping data for table %s\n--\n",
result_table);
check_io(md_result_file);
}
my_snprintf(query, QUERY_LENGTH,
"SELECT /*!40001 SQL_NO_CACHE */ * FROM %s",
result_table);
if (where || order_by)
{
query= alloc_query_str((ulong) (strlen(query) + 1 +
(where ? strlen(where) + 7 : 0) +
(order_by ? strlen(order_by) + 10 : 0)));
end= strmov(query, query_buf);
if (where)
{
if (!opt_xml && opt_comments)
{
fprintf(md_result_file, "-- WHERE: %s\n", where);
check_io(md_result_file);
}
end= strxmov(end, " WHERE ", where, NullS);
}
if (order_by)
{
if (!opt_xml && opt_comments)
{
fprintf(md_result_file, "-- ORDER BY: %s\n", order_by);
check_io(md_result_file);
}
end= strxmov(end, " ORDER BY ", order_by, NullS);
}
}
if (!opt_xml && !opt_compact)
{
fputs("\n", md_result_file);
check_io(md_result_file);
}
if (mysql_query_with_error_report(mysql, 0, query))
{
DB_error(mysql, "when retrieving data from server");
goto err;
}
if (quick)
res=mysql_use_result(mysql);
else
res=mysql_store_result(mysql);
if (!res)
{
DB_error(mysql, "when retrieving data from server");
goto err;
}
verbose_msg("-- Retrieving rows...\n");
if (mysql_num_fields(res) != num_fields)
{
fprintf(stderr,"%s: Error in field count for table: %s ! Aborting.\n",
my_progname, result_table);
error= EX_CONSCHECK;
goto err;
}
if (opt_lock)
{
fprintf(md_result_file,"LOCK TABLES %s WRITE;\n", opt_quoted_table);
check_io(md_result_file);
}
/* Moved disable keys to after lock per bug 15977 */
if (opt_disable_keys)
{
fprintf(md_result_file, "/*!40000 ALTER TABLE %s DISABLE KEYS */;\n",
opt_quoted_table);
check_io(md_result_file);
}
total_length= opt_net_buffer_length; /* Force row break */
row_break=0;
rownr=0;
init_length=(uint) insert_pat.length+4;
if (opt_xml)
print_xml_tag(md_result_file, "\t", "\n", "table_data", "name=", table,
NullS);
if (opt_autocommit)
{
fprintf(md_result_file, "set autocommit=0;\n");
check_io(md_result_file);
}
while ((row= mysql_fetch_row(res)))
{
uint i;
ulong *lengths= mysql_fetch_lengths(res);
rownr++;
if (!extended_insert && !opt_xml)
{
fputs(insert_pat.str,md_result_file);
check_io(md_result_file);
}
mysql_field_seek(res,0);
if (opt_xml)
{
fputs("\t<row>\n", md_result_file);
check_io(md_result_file);
}
for (i= 0; i < mysql_num_fields(res); i++)
{
int is_blob;
ulong length= lengths[i];
if (!(field= mysql_fetch_field(res)))
{
my_snprintf(query, QUERY_LENGTH,
"%s: Not enough fields from table %s! Aborting.\n",
my_progname, result_table);
fputs(query,stderr);
error= EX_CONSCHECK;
goto err;
}
/*
63 is my_charset_bin. If charsetnr is not 63,
we have not a BLOB but a TEXT column.
we'll dump in hex only BLOB columns.
*/
is_blob= (opt_hex_blob && field->charsetnr == 63 &&
(field->type == MYSQL_TYPE_BIT ||
field->type == MYSQL_TYPE_STRING ||
field->type == MYSQL_TYPE_VAR_STRING ||
field->type == MYSQL_TYPE_VARCHAR ||
field->type == MYSQL_TYPE_BLOB ||
field->type == MYSQL_TYPE_LONG_BLOB ||
field->type == MYSQL_TYPE_MEDIUM_BLOB ||
field->type == MYSQL_TYPE_TINY_BLOB)) ? 1 : 0;
if (extended_insert && !opt_xml)
{
if (i == 0)
dynstr_set(&extended_row,"(");
else
dynstr_append(&extended_row,",");
if (row[i])
{
if (length)
{
if (!IS_NUM_FIELD(field))
{
/*
"length * 2 + 2" is OK for both HEX and non-HEX modes:
- In HEX mode we need exactly 2 bytes per character
plus 2 bytes for '0x' prefix.
- In non-HEX mode we need up to 2 bytes per character,
plus 2 bytes for leading and trailing '\'' characters.
*/
if (dynstr_realloc(&extended_row,length * 2+2))
{
fputs("Aborting dump (out of memory)",stderr);
error= EX_EOM;
goto err;
}
if (opt_hex_blob && is_blob)
{
dynstr_append(&extended_row, "0x");
extended_row.length+= mysql_hex_string(extended_row.str +
extended_row.length,
row[i], length);
extended_row.str[extended_row.length]= '\0';
}
else
{
dynstr_append(&extended_row,"'");
extended_row.length +=
mysql_real_escape_string(&mysql_connection,
&extended_row.str[extended_row.length],
row[i],length);
extended_row.str[extended_row.length]='\0';
dynstr_append(&extended_row,"'");
}
}
else
{
/* change any strings ("inf", "-inf", "nan") into NULL */
char *ptr= row[i];
if (my_isalpha(charset_info, *ptr) || (*ptr == '-' &&
my_isalpha(charset_info, ptr[1])))
dynstr_append(&extended_row, "NULL");
else
{
if (field->type == FIELD_TYPE_DECIMAL)
{
/* add " signs around */
dynstr_append(&extended_row, "'");
dynstr_append(&extended_row, ptr);
dynstr_append(&extended_row, "'");
}
else
dynstr_append(&extended_row, ptr);
}
}
}
else
dynstr_append(&extended_row,"''");
}
else if (dynstr_append(&extended_row,"NULL"))
{
fputs("Aborting dump (out of memory)",stderr);
error= EX_EOM;
goto err;
}
}
else
{
if (i && !opt_xml)
{
fputc(',', md_result_file);
check_io(md_result_file);
}
if (row[i])
{
if (!IS_NUM_FIELD(field))
{
if (opt_xml)
{
if (opt_hex_blob && is_blob && length)
{
/* Define xsi:type="xs:hexBinary" for hex encoded data */
print_xml_tag(md_result_file, "\t\t", "", "field", "name=",
field->name, "xsi:type=", "xs:hexBinary", NullS);
print_blob_as_hex(md_result_file, row[i], length);
}
else
{
print_xml_tag(md_result_file, "\t\t", "", "field", "name=",
field->name, NullS);
print_quoted_xml(md_result_file, row[i], length);
}
fputs("</field>\n", md_result_file);
}
else if (opt_hex_blob && is_blob && length)
{
fputs("0x", md_result_file);
print_blob_as_hex(md_result_file, row[i], length);
}
else
unescape(md_result_file, row[i], length);
}
else
{
/* change any strings ("inf", "-inf", "nan") into NULL */
char *ptr= row[i];
if (opt_xml)
{
print_xml_tag(md_result_file, "\t\t", "", "field", "name=",
field->name, NullS);
fputs(!my_isalpha(charset_info, *ptr) ? ptr: "NULL",
md_result_file);
fputs("</field>\n", md_result_file);
}
else if (my_isalpha(charset_info, *ptr) ||
(*ptr == '-' && my_isalpha(charset_info, ptr[1])))
fputs("NULL", md_result_file);
else if (field->type == FIELD_TYPE_DECIMAL)
{
/* add " signs around */
fputc('\'', md_result_file);
fputs(ptr, md_result_file);
fputc('\'', md_result_file);
}
else
fputs(ptr, md_result_file);
}
}
else
{
/* The field value is NULL */
if (!opt_xml)
fputs("NULL", md_result_file);
else
print_xml_null_tag(md_result_file, "\t\t", "field name=",
field->name, "\n");
}
check_io(md_result_file);
}
}
if (opt_xml)
{
fputs("\t</row>\n", md_result_file);
check_io(md_result_file);
}
if (extended_insert)
{
ulong row_length;
dynstr_append(&extended_row,")");
row_length= 2 + extended_row.length;
if (total_length + row_length < opt_net_buffer_length)
{
total_length+= row_length;
fputc(',',md_result_file); /* Always row break */
fputs(extended_row.str,md_result_file);
}
else
{
if (row_break)
fputs(";\n", md_result_file);
row_break=1; /* This is first row */
fputs(insert_pat.str,md_result_file);
fputs(extended_row.str,md_result_file);
total_length= row_length+init_length;
}
check_io(md_result_file);
}
else if (!opt_xml)
{
fputs(");\n", md_result_file);
check_io(md_result_file);
}
}
/* XML - close table tag and supress regular output */
if (opt_xml)
fputs("\t</table_data>\n", md_result_file);
else if (extended_insert && row_break)
fputs(";\n", md_result_file); /* If not empty table */
fflush(md_result_file);
check_io(md_result_file);
if (mysql_errno(mysql))
{
my_snprintf(query, QUERY_LENGTH,
"%s: Error %d: %s when dumping table %s at row: %ld\n",
my_progname,
mysql_errno(mysql),
mysql_error(mysql),
result_table,
rownr);
fputs(query,stderr);
error= EX_CONSCHECK;
goto err;
}
/* Moved enable keys to before unlock per bug 15977 */
if (opt_disable_keys)
{
fprintf(md_result_file,"/*!40000 ALTER TABLE %s ENABLE KEYS */;\n",
opt_quoted_table);
check_io(md_result_file);
}
if (opt_lock)
{
fputs("UNLOCK TABLES;\n", md_result_file);
check_io(md_result_file);
}
if (opt_autocommit)
{
fprintf(md_result_file, "commit;\n");
check_io(md_result_file);
}
mysql_free_result(res);
if (query != query_buf)
my_free(query, MYF(MY_ALLOW_ZERO_PTR));
}
DBUG_VOID_RETURN;
err:
if (query != query_buf)
my_free(query, MYF(MY_ALLOW_ZERO_PTR));
safe_exit(error);
DBUG_VOID_RETURN;
} /* dump_table */
static char *getTableName(int reset)
{
static MYSQL_RES *res= NULL;
MYSQL_ROW row;
if (!res)
{
if (!(res= mysql_list_tables(mysql,NullS)))
return(NULL);
}
if ((row= mysql_fetch_row(res)))
return((char*) row[0]);
if (reset)
mysql_data_seek(res,0); /* We want to read again */
else
{
mysql_free_result(res);
res= NULL;
}
return(NULL);
} /* getTableName */
static int dump_all_databases()
{
MYSQL_ROW row;
MYSQL_RES *tableres;
int result=0;
if (mysql_query_with_error_report(mysql, &tableres, "SHOW DATABASES"))
return 1;
while ((row= mysql_fetch_row(tableres)))
{
if (dump_all_tables_in_db(row[0]))
result=1;
}
if (seen_views)
{
if (mysql_query(mysql, "SHOW DATABASES") ||
!(tableres= mysql_store_result(mysql)))
{
my_printf_error(0, "Error: Couldn't execute 'SHOW DATABASES': %s",
MYF(0), mysql_error(mysql));
return 1;
}
while ((row= mysql_fetch_row(tableres)))
{
if (dump_all_views_in_db(row[0]))
result=1;
}
}
return result;
}
/* dump_all_databases */
static int dump_databases(char **db_names)
{
int result=0;
char **db;
DBUG_ENTER("dump_databases");
for (db= db_names ; *db ; db++)
{
if (dump_all_tables_in_db(*db))
result=1;
}
if (!result && seen_views)
{
for (db= db_names ; *db ; db++)
{
if (dump_all_views_in_db(*db))
result=1;
}
}
DBUG_RETURN(result);
} /* dump_databases */
/*
View Specific database initalization.
SYNOPSIS
init_dumping_views
qdatabase quoted name of the database
RETURN VALUES
0 Success.
1 Failure.
*/
int init_dumping_views(char *qdatabase __attribute__((unused)))
{
return 0;
} /* init_dumping_views */
/*
Table Specific database initalization.
SYNOPSIS
init_dumping_tables
qdatabase quoted name of the database
RETURN VALUES
0 Success.
1 Failure.
*/
int init_dumping_tables(char *qdatabase)
{
if (!opt_create_db)
{
char qbuf[256];
MYSQL_ROW row;
MYSQL_RES *dbinfo;
my_snprintf(qbuf, sizeof(qbuf),
"SHOW CREATE DATABASE IF NOT EXISTS %s",
qdatabase);
if (mysql_query(mysql, qbuf) || !(dbinfo = mysql_store_result(mysql)))
{
/* Old server version, dump generic CREATE DATABASE */
if (opt_drop_database)
fprintf(md_result_file,
"\n/*!40000 DROP DATABASE IF EXISTS %s;*/\n",
qdatabase);
fprintf(md_result_file,
"\nCREATE DATABASE /*!32312 IF NOT EXISTS*/ %s;\n",
qdatabase);
}
else
{
if (opt_drop_database)
fprintf(md_result_file,
"\n/*!40000 DROP DATABASE IF EXISTS %s*/;\n",
qdatabase);
row = mysql_fetch_row(dbinfo);
if (row[1])
{
fprintf(md_result_file,"\n%s;\n",row[1]);
}
}
}
return 0;
} /* init_dumping_tables */
static int init_dumping(char *database, int init_func(char*))
{
if (mysql_get_server_version(mysql) >= 50003 &&
!my_strcasecmp(&my_charset_latin1, database, "information_schema"))
return 1;
if (mysql_select_db(mysql, database))
{
DB_error(mysql, "when selecting the database");
return 1; /* If --force */
}
if (!path && !opt_xml)
{
if (opt_databases || opt_alldbs)
{
/*
length of table name * 2 (if name contains quotes), 2 quotes and 0
*/
char quoted_database_buf[NAME_LEN*2+3];
char *qdatabase= quote_name(database,quoted_database_buf,opt_quoted);
if (opt_comments)
{
fprintf(md_result_file,"\n--\n-- Current Database: %s\n--\n", qdatabase);
check_io(md_result_file);
}
/* Call the view or table specific function */
init_func(qdatabase);
fprintf(md_result_file,"\nUSE %s;\n", qdatabase);
check_io(md_result_file);
}
}
if (extended_insert && init_dynamic_string(&extended_row, "", 1024, 1024))
exit(EX_EOM);
return 0;
} /* init_dumping */
/* Return 1 if we should copy the table */
my_bool include_table(byte* hash_key, uint len)
{
return !hash_search(&ignore_table, (byte*) hash_key, len);
}
static int dump_all_tables_in_db(char *database)
{
char *table;
uint numrows;
char table_buff[NAME_LEN*2+3];
char hash_key[2*NAME_LEN+2]; /* "db.tablename" */
char *afterdot;
int using_mysql_db= my_strcasecmp(&my_charset_latin1, database, "mysql");
DBUG_ENTER("dump_all_tables_in_db");
afterdot= strmov(hash_key, database);
*afterdot++= '.';
if (init_dumping(database, init_dumping_tables))
DBUG_RETURN(1);
if (opt_xml)
print_xml_tag(md_result_file, "", "\n", "database", "name=", database, NullS);
if (lock_tables)
{
DYNAMIC_STRING query;
init_dynamic_string(&query, "LOCK TABLES ", 256, 1024);
for (numrows= 0 ; (table= getTableName(1)) ; numrows++)
{
dynstr_append(&query, quote_name(table, table_buff, 1));
dynstr_append(&query, " READ /*!32311 LOCAL */,");
}
if (numrows && mysql_real_query(mysql, query.str, query.length-1))
DB_error(mysql, "when using LOCK TABLES");
/* We shall continue here, if --force was given */
dynstr_free(&query);
}
if (flush_logs)
{
if (mysql_refresh(mysql, REFRESH_LOG))
DB_error(mysql, "when doing refresh");
/* We shall continue here, if --force was given */
}
while ((table= getTableName(0)))
{
char *end= strmov(afterdot, table);
if (include_table(hash_key, end - hash_key))
{
dump_table(table,database);
my_free(order_by, MYF(MY_ALLOW_ZERO_PTR));
order_by= 0;
if (opt_dump_triggers && ! opt_xml &&
mysql_get_server_version(mysql) >= 50009)
dump_triggers_for_table(table, database);
}
}
if (opt_routines && !opt_xml &&
mysql_get_server_version(mysql) >= 50009)
{
DBUG_PRINT("info", ("Dumping routines for database %s", database));
dump_routines_for_db(database);
}
if (opt_xml)
{
fputs("</database>\n", md_result_file);
check_io(md_result_file);
}
if (lock_tables)
VOID(mysql_query_with_error_report(mysql, 0, "UNLOCK TABLES"));
if (flush_privileges && using_mysql_db == 0)
{
fprintf(md_result_file,"\n--\n-- Flush Grant Tables \n--\n");
fprintf(md_result_file,"\n/*! FLUSH PRIVILEGES */;\n");
}
DBUG_RETURN(0);
} /* dump_all_tables_in_db */
/*
dump structure of views of database
SYNOPSIS
dump_all_views_in_db()
database database name
RETURN
0 OK
1 ERROR
*/
static my_bool dump_all_views_in_db(char *database)
{
char *table;
uint numrows;
char table_buff[NAME_LEN*2+3];
if (init_dumping(database, init_dumping_views))
return 1;
if (opt_xml)
print_xml_tag(md_result_file, "", "\n", "database", "name=", database, NullS);
if (lock_tables)
{
DYNAMIC_STRING query;
init_dynamic_string(&query, "LOCK TABLES ", 256, 1024);
for (numrows= 0 ; (table= getTableName(1)); numrows++)
{
dynstr_append(&query, quote_name(table, table_buff, 1));
dynstr_append(&query, " READ /*!32311 LOCAL */,");
}
if (numrows && mysql_real_query(mysql, query.str, query.length-1))
DB_error(mysql, "when using LOCK TABLES");
/* We shall continue here, if --force was given */
dynstr_free(&query);
}
if (flush_logs)
{
if (mysql_refresh(mysql, REFRESH_LOG))
DB_error(mysql, "when doing refresh");
/* We shall continue here, if --force was given */
}
while ((table= getTableName(0)))
get_view_structure(table, database);
if (opt_xml)
{
fputs("</database>\n", md_result_file);
check_io(md_result_file);
}
if (lock_tables)
VOID(mysql_query_with_error_report(mysql, 0, "UNLOCK TABLES"));
return 0;
} /* dump_all_tables_in_db */
/*
get_actual_table_name -- executes a SHOW TABLES LIKE '%s' to get the actual
table name from the server for the table name given on the command line.
we do this because the table name given on the command line may be a
different case (e.g. T1 vs t1)
RETURN
pointer to the table name
0 if error
*/
static char *get_actual_table_name(const char *old_table_name, MEM_ROOT *root)
{
char *name= 0;
MYSQL_RES *table_res;
MYSQL_ROW row;
char query[50 + 2*NAME_LEN];
char show_name_buff[FN_REFLEN];
DBUG_ENTER("get_actual_table_name");
/* Check memory for quote_for_like() */
DBUG_ASSERT(2*sizeof(old_table_name) < sizeof(show_name_buff));
my_snprintf(query, sizeof(query), "SHOW TABLES LIKE %s",
quote_for_like(old_table_name, show_name_buff));
if (mysql_query_with_error_report(mysql, 0, query))
{
safe_exit(EX_MYSQLERR);
}
if ((table_res= mysql_store_result(mysql)))
{
my_ulonglong num_rows= mysql_num_rows(table_res);
if (num_rows > 0)
{
ulong *lengths;
/*
Return first row
TODO: Return all matching rows
*/
row= mysql_fetch_row(table_res);
lengths= mysql_fetch_lengths(table_res);
name= strmake_root(root, row[0], lengths[0]);
}
mysql_free_result(table_res);
}
DBUG_PRINT("exit", ("new_table_name: %s", name));
DBUG_RETURN(name);
}
static int dump_selected_tables(char *db, char **table_names, int tables)
{
char table_buff[NAME_LEN*+3];
DYNAMIC_STRING lock_tables_query;
MEM_ROOT root;
char **dump_tables, **pos, **end;
DBUG_ENTER("dump_selected_tables");
if (init_dumping(db, init_dumping_tables))
return 1;
init_alloc_root(&root, 8192, 0);
if (!(dump_tables= pos= (char**) alloc_root(&root, tables * sizeof(char *))))
exit(EX_EOM);
init_dynamic_string(&lock_tables_query, "LOCK TABLES ", 256, 1024);
for (; tables > 0 ; tables-- , table_names++)
{
/* the table name passed on commandline may be wrong case */
if ((*pos= get_actual_table_name(*table_names, &root)))
{
/* Add found table name to lock_tables_query */
if (lock_tables)
{
dynstr_append(&lock_tables_query, quote_name(*pos, table_buff, 1));
dynstr_append(&lock_tables_query, " READ /*!32311 LOCAL */,");
}
pos++;
}
else
{
my_printf_error(0,"Couldn't find table: \"%s\"\n", MYF(0),
*table_names);
safe_exit(EX_ILLEGAL_TABLE);
/* We shall countinue here, if --force was given */
}
}
end= pos;
if (lock_tables)
{
if (mysql_real_query(mysql, lock_tables_query.str,
lock_tables_query.length-1))
DB_error(mysql, "when doing LOCK TABLES");
/* We shall countinue here, if --force was given */
}
dynstr_free(&lock_tables_query);
if (flush_logs)
{
if (mysql_refresh(mysql, REFRESH_LOG))
DB_error(mysql, "when doing refresh");
/* We shall countinue here, if --force was given */
}
if (opt_xml)
print_xml_tag(md_result_file, "", "\n", "database", "name=", db, NullS);
/* Dump each selected table */
for (pos= dump_tables; pos < end; pos++)
{
DBUG_PRINT("info",("Dumping table %s", *pos));
dump_table(*pos, db);
if (opt_dump_triggers &&
mysql_get_server_version(mysql) >= 50009)
dump_triggers_for_table(*pos, db);
}
/* Dump each selected view */
if (seen_views)
{
for (pos= dump_tables; pos < end; pos++)
get_view_structure(*pos, db);
}
/* obtain dump of routines (procs/functions) */
if (opt_routines && !opt_xml &&
mysql_get_server_version(mysql) >= 50009)
{
DBUG_PRINT("info", ("Dumping routines for database %s", db));
dump_routines_for_db(db);
}
free_root(&root, MYF(0));
my_free(order_by, MYF(MY_ALLOW_ZERO_PTR));
order_by= 0;
if (opt_xml)
{
fputs("</database>\n", md_result_file);
check_io(md_result_file);
}
if (lock_tables)
VOID(mysql_query_with_error_report(mysql, 0, "UNLOCK TABLES"));
DBUG_RETURN(0);
} /* dump_selected_tables */
static int do_show_master_status(MYSQL *mysql_con)
{
MYSQL_ROW row;
MYSQL_RES *master;
const char *comment_prefix=
(opt_master_data == MYSQL_OPT_MASTER_DATA_COMMENTED_SQL) ? "-- " : "";
if (mysql_query_with_error_report(mysql_con, &master, "SHOW MASTER STATUS"))
{
return 1;
}
else
{
row= mysql_fetch_row(master);
if (row && row[0] && row[1])
{
/* SHOW MASTER STATUS reports file and position */
if (opt_comments)
fprintf(md_result_file,
"\n--\n-- Position to start replication or point-in-time "
"recovery from\n--\n\n");
fprintf(md_result_file,
"%sCHANGE MASTER TO MASTER_LOG_FILE='%s', MASTER_LOG_POS=%s;\n",
comment_prefix, row[0], row[1]);
check_io(md_result_file);
}
else if (!ignore_errors)
{
/* SHOW MASTER STATUS reports nothing and --force is not enabled */
my_printf_error(0, "Error: Binlogging on server not active",
MYF(0));
mysql_free_result(master);
return 1;
}
mysql_free_result(master);
}
return 0;
}
static int do_flush_tables_read_lock(MYSQL *mysql_con)
{
/*
We do first a FLUSH TABLES. If a long update is running, the FLUSH TABLES
will wait but will not stall the whole mysqld, and when the long update is
done the FLUSH TABLES WITH READ LOCK will start and succeed quickly. So,
FLUSH TABLES is to lower the probability of a stage where both mysqldump
and most client connections are stalled. Of course, if a second long
update starts between the two FLUSHes, we have that bad stall.
*/
return
( mysql_query_with_error_report(mysql_con, 0, "FLUSH TABLES") ||
mysql_query_with_error_report(mysql_con, 0,
"FLUSH TABLES WITH READ LOCK") );
}
static int do_unlock_tables(MYSQL *mysql_con)
{
return mysql_query_with_error_report(mysql_con, 0, "UNLOCK TABLES");
}
static int do_reset_master(MYSQL *mysql_con)
{
return mysql_query_with_error_report(mysql_con, 0, "RESET MASTER");
}
static int start_transaction(MYSQL *mysql_con)
{
/*
We use BEGIN for old servers. --single-transaction --master-data will fail
on old servers, but that's ok as it was already silently broken (it didn't
do a consistent read, so better tell people frankly, with the error).
We want the first consistent read to be used for all tables to dump so we
need the REPEATABLE READ level (not anything lower, for example READ
COMMITTED would give one new consistent read per dumped table).
*/
return (mysql_query_with_error_report(mysql_con, 0,
"SET SESSION TRANSACTION ISOLATION "
"LEVEL REPEATABLE READ") ||
mysql_query_with_error_report(mysql_con, 0,
"START TRANSACTION "
"/*!40100 WITH CONSISTENT SNAPSHOT */"));
}
static ulong find_set(TYPELIB *lib, const char *x, uint length,
char **err_pos, uint *err_len)
{
const char *end= x + length;
ulong found= 0;
uint find;
char buff[255];
*err_pos= 0; /* No error yet */
while (end > x && my_isspace(charset_info, end[-1]))
end--;
*err_len= 0;
if (x != end)
{
const char *start= x;
for (;;)
{
const char *pos= start;
uint var_len;
for (; pos != end && *pos != ','; pos++) ;
var_len= (uint) (pos - start);
strmake(buff, start, min(sizeof(buff), var_len));
find= find_type(buff, lib, var_len);
if (!find)
{
*err_pos= (char*) start;
*err_len= var_len;
}
else
found|= ((longlong) 1 << (find - 1));
if (pos == end)
break;
start= pos + 1;
}
}
return found;
}
/* Print a value with a prefix on file */
static void print_value(FILE *file, MYSQL_RES *result, MYSQL_ROW row,
const char *prefix, const char *name,
int string_value)
{
MYSQL_FIELD *field;
mysql_field_seek(result, 0);
for ( ; (field= mysql_fetch_field(result)) ; row++)
{
if (!strcmp(field->name,name))
{
if (row[0] && row[0][0] && strcmp(row[0],"0")) /* Skip default */
{
fputc(' ',file);
fputs(prefix, file);
if (string_value)
unescape(file,row[0],(uint) strlen(row[0]));
else
fputs(row[0], file);
check_io(file);
return;
}
}
}
return; /* This shouldn't happen */
} /* print_value */
/*
SYNOPSIS
Check if we the table is one of the table types that should be ignored:
MRG_ISAM, MRG_MYISAM, if opt_delayed, if that table supports delayed inserts.
If the table should be altogether ignored, it returns a TRUE, FALSE if it
should not be ignored. If the user has selected to use INSERT DELAYED, it
sets the value of the bool pointer supports_delayed_inserts to 0 if not
supported, 1 if it is supported.
ARGS
check_if_ignore_table()
table_name Table name to check
table_type Type of table
GLOBAL VARIABLES
mysql MySQL connection
verbose Write warning messages
RETURN
char (bit value) See IGNORE_ values at top
*/
char check_if_ignore_table(const char *table_name, char *table_type)
{
char result= IGNORE_NONE;
char buff[FN_REFLEN+80], show_name_buff[FN_REFLEN];
MYSQL_RES *res;
MYSQL_ROW row;
DBUG_ENTER("check_if_ignore_table");
/* Check memory for quote_for_like() */
DBUG_ASSERT(2*sizeof(table_name) < sizeof(show_name_buff));
my_snprintf(buff, sizeof(buff), "show table status like %s",
quote_for_like(table_name, show_name_buff));
if (mysql_query_with_error_report(mysql, &res, buff))
{
if (mysql_errno(mysql) != ER_PARSE_ERROR)
{ /* If old MySQL version */
verbose_msg("-- Warning: Couldn't get status information for "
"table %s (%s)\n", table_name, mysql_error(mysql));
DBUG_RETURN(result); /* assume table is ok */
}
}
if (!(row= mysql_fetch_row(res)))
{
fprintf(stderr,
"Error: Couldn't read status information for table %s (%s)\n",
table_name, mysql_error(mysql));
mysql_free_result(res);
DBUG_RETURN(result); /* assume table is ok */
}
if (!(row[1]))
strmake(table_type, "VIEW", NAME_LEN-1);
else
{
/*
If the table type matches any of these, we do support delayed inserts.
Note: we do not want to skip dumping this table if if is not one of
these types, but we do want to use delayed inserts in the dump if
the table type is _NOT_ one of these types
*/
strmake(table_type, row[1], NAME_LEN-1);
if (opt_delayed)
{
if (strcmp(table_type,"MyISAM") &&
strcmp(table_type,"ISAM") &&
strcmp(table_type,"ARCHIVE") &&
strcmp(table_type,"HEAP") &&
strcmp(table_type,"MEMORY"))
result= IGNORE_INSERT_DELAYED;
}
/*
If these two types, we do want to skip dumping the table
*/
if (!opt_no_data &&
(!strcmp(table_type,"MRG_MyISAM") || !strcmp(table_type,"MRG_ISAM")))
result= IGNORE_DATA;
}
mysql_free_result(res);
DBUG_RETURN(result);
}
/*
Get string of comma-separated primary key field names
SYNOPSIS
char *primary_key_fields(const char *table_name)
RETURNS pointer to allocated buffer (must be freed by caller)
table_name quoted table name
DESCRIPTION
Use SHOW KEYS FROM table_name, allocate a buffer to hold the
field names, and then build that string and return the pointer
to that buffer.
Returns NULL if there is no PRIMARY or UNIQUE key on the table,
or if there is some failure. It is better to continue to dump
the table unsorted, rather than exit without dumping the data.
*/
static char *primary_key_fields(const char *table_name)
{
MYSQL_RES *res= NULL;
MYSQL_ROW row;
/* SHOW KEYS FROM + table name * 2 (escaped) + 2 quotes + \0 */
char show_keys_buff[15 + NAME_LEN * 2 + 3];
uint result_length= 0;
char *result= 0;
char buff[NAME_LEN * 2 + 3];
char *quoted_field;
my_snprintf(show_keys_buff, sizeof(show_keys_buff),
"SHOW KEYS FROM %s", table_name);
if (mysql_query(mysql, show_keys_buff) ||
!(res= mysql_store_result(mysql)))
{
fprintf(stderr, "Warning: Couldn't read keys from table %s;"
" records are NOT sorted (%s)\n",
table_name, mysql_error(mysql));
/* Don't exit, because it's better to print out unsorted records */
goto cleanup;
}
/*
* Figure out the length of the ORDER BY clause result.
* Note that SHOW KEYS is ordered: a PRIMARY key is always the first
* row, and UNIQUE keys come before others. So we only need to check
* the first key, not all keys.
*/
if ((row= mysql_fetch_row(res)) && atoi(row[1]) == 0)
{
/* Key is unique */
do
{
quoted_field= quote_name(row[4], buff, 0);
result_length+= strlen(quoted_field) + 1; /* + 1 for ',' or \0 */
} while ((row= mysql_fetch_row(res)) && atoi(row[3]) > 1);
}
/* Build the ORDER BY clause result */
if (result_length)
{
char *end;
/* result (terminating \0 is already in result_length) */
result= my_malloc(result_length + 10, MYF(MY_WME));
if (!result)
{
fprintf(stderr, "Error: Not enough memory to store ORDER BY clause\n");
goto cleanup;
}
mysql_data_seek(res, 0);
row= mysql_fetch_row(res);
quoted_field= quote_name(row[4], buff, 0);
end= strmov(result, quoted_field);
while ((row= mysql_fetch_row(res)) && atoi(row[3]) > 1)
{
quoted_field= quote_name(row[4], buff, 0);
end= strxmov(end, ",", quoted_field, NullS);
}
}
cleanup:
if (res)
mysql_free_result(res);
return result;
}
/*
Replace a substring
SYNOPSIS
replace
ds_str The string to search and perform the replace in
search_str The string to search for
search_len Length of the string to search for
replace_str The string to replace with
replace_len Length of the string to replace with
RETURN
0 String replaced
1 Could not find search_str in str
*/
static int replace(DYNAMIC_STRING *ds_str,
const char *search_str, ulong search_len,
const char *replace_str, ulong replace_len)
{
DYNAMIC_STRING ds_tmp;
const char *start= strstr(ds_str->str, search_str);
if (!start)
return 1;
init_dynamic_string(&ds_tmp, "",
ds_str->length + replace_len, 256);
dynstr_append_mem(&ds_tmp, ds_str->str, start - ds_str->str);
dynstr_append_mem(&ds_tmp, replace_str, replace_len);
dynstr_append(&ds_tmp, start + search_len);
dynstr_set(ds_str, ds_tmp.str);
dynstr_free(&ds_tmp);
return 0;
}
/*
Getting VIEW structure
SYNOPSIS
get_view_structure()
table view name
db db name
RETURN
0 OK
1 ERROR
*/
static my_bool get_view_structure(char *table, char* db)
{
MYSQL_RES *table_res;
MYSQL_ROW row;
MYSQL_FIELD *field;
char *result_table, *opt_quoted_table;
char table_buff[NAME_LEN*2+3];
char table_buff2[NAME_LEN*2+3];
char query[QUERY_LENGTH];
FILE *sql_file= md_result_file;
DBUG_ENTER("get_view_structure");
if (opt_no_create_info) /* Don't write table creation info */
DBUG_RETURN(0);
verbose_msg("-- Retrieving view structure for table %s...\n", table);
#ifdef NOT_REALLY_USED_YET
sprintf(insert_pat,"SET OPTION SQL_QUOTE_SHOW_CREATE=%d",
(opt_quoted || opt_keywords));
#endif
result_table= quote_name(table, table_buff, 1);
opt_quoted_table= quote_name(table, table_buff2, 0);
my_snprintf(query, sizeof(query), "SHOW CREATE TABLE %s", result_table);
if (mysql_query_with_error_report(mysql, &table_res, query))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(0);
}
/* Check if this is a view */
field= mysql_fetch_field_direct(table_res, 0);
if (strcmp(field->name, "View") != 0)
{
verbose_msg("-- It's base table, skipped\n");
DBUG_RETURN(0);
}
/* If requested, open separate .sql file for this view */
if (path)
{
if (!(sql_file= open_sql_file_for_table(table)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(1);
}
write_header(sql_file, db);
}
if (!opt_xml && opt_comments)
{
fprintf(sql_file, "\n--\n-- Final view structure for view %s\n--\n\n",
result_table);
check_io(sql_file);
}
if (opt_drop)
{
fprintf(sql_file, "/*!50001 DROP TABLE IF EXISTS %s*/;\n",
opt_quoted_table);
fprintf(sql_file, "/*!50001 DROP VIEW IF EXISTS %s*/;\n",
opt_quoted_table);
check_io(sql_file);
}
my_snprintf(query, sizeof(query),
"SELECT CHECK_OPTION, DEFINER, SECURITY_TYPE " \
"FROM information_schema.views " \
"WHERE table_name=\"%s\" AND table_schema=\"%s\"", table, db);
if (mysql_query(mysql, query))
{
/*
Use the raw output from SHOW CREATE TABLE if
information_schema query fails.
*/
row= mysql_fetch_row(table_res);
fprintf(sql_file, "/*!50001 %s */;\n", row[1]);
check_io(sql_file);
mysql_free_result(table_res);
}
else
{
char *ptr;
ulong *lengths;
char search_buf[256], replace_buf[256];
ulong search_len, replace_len;
DYNAMIC_STRING ds_view;
/* Save the result of SHOW CREATE TABLE in ds_view */
row= mysql_fetch_row(table_res);
lengths= mysql_fetch_lengths(table_res);
init_dynamic_string(&ds_view, row[1], lengths[1] + 1, 1024);
mysql_free_result(table_res);
/* Get the result from "select ... information_schema" */
if (!(table_res= mysql_store_result(mysql)) ||
!(row= mysql_fetch_row(table_res)))
{
safe_exit(EX_MYSQLERR);
DBUG_RETURN(1);
}
lengths= mysql_fetch_lengths(table_res);
/*
"WITH %s CHECK OPTION" is available from 5.0.2
Surround it with !50002 comments
*/
if (strcmp(row[0], "NONE"))
{
ptr= search_buf;
search_len= (ulong)(strxmov(ptr, "WITH ", row[0],
" CHECK OPTION", NullS) - ptr);
ptr= replace_buf;
replace_len=(ulong)(strxmov(ptr, "*/\n/*!50002 WITH ", row[0],
" CHECK OPTION", NullS) - ptr);
replace(&ds_view, search_buf, search_len, replace_buf, replace_len);
}
/*
"DEFINER=%s SQL SECURITY %s" is available from 5.0.13
Surround it with !50013 comments
*/
{
uint user_name_len;
char user_name_str[USERNAME_LENGTH + 1];
char quoted_user_name_str[USERNAME_LENGTH * 2 + 3];
uint host_name_len;
char host_name_str[HOSTNAME_LENGTH + 1];
char quoted_host_name_str[HOSTNAME_LENGTH * 2 + 3];
parse_user(row[1], lengths[1], user_name_str, &user_name_len,
host_name_str, &host_name_len);
ptr= search_buf;
search_len=
(ulong)(strxmov(ptr, "DEFINER=",
quote_name(user_name_str, quoted_user_name_str, FALSE),
"@",
quote_name(host_name_str, quoted_host_name_str, FALSE),
" SQL SECURITY ", row[2], NullS) - ptr);
ptr= replace_buf;
replace_len=
(ulong)(strxmov(ptr, "*/\n/*!50013 DEFINER=",
quote_name(user_name_str, quoted_user_name_str, FALSE),
"@",
quote_name(host_name_str, quoted_host_name_str, FALSE),
" SQL SECURITY ", row[2],
" */\n/*!50001", NullS) - ptr);
replace(&ds_view, search_buf, search_len, replace_buf, replace_len);
}
/* Dump view structure to file */
fprintf(sql_file, "/*!50001 %s */;\n", ds_view.str);
check_io(sql_file);
mysql_free_result(table_res);
dynstr_free(&ds_view);
}
/* If a separate .sql file was opened, close it now */
if (sql_file != md_result_file)
{
fputs("\n", sql_file);
write_footer(sql_file);
my_fclose(sql_file, MYF(MY_WME));
}
DBUG_RETURN(0);
}
int main(int argc, char **argv)
{
int exit_code;
MY_INIT("mysqldump");
compatible_mode_normal_str[0]= 0;
default_charset= (char *)mysql_universal_client_charset;
bzero((char*) &ignore_table, sizeof(ignore_table));
exit_code= get_options(&argc, &argv);
if (exit_code)
{
free_resources(0);
exit(exit_code);
}
if (connect_to_db(current_host, current_user, opt_password))
{
free_resources(0);
exit(EX_MYSQLERR);
}
if (!path)
write_header(md_result_file, *argv);
if ((opt_lock_all_tables || opt_master_data) &&
do_flush_tables_read_lock(mysql))
goto err;
if (opt_single_transaction && start_transaction(mysql))
goto err;
if (opt_delete_master_logs && do_reset_master(mysql))
goto err;
if (opt_lock_all_tables || opt_master_data)
{
if (flush_logs && mysql_refresh(mysql, REFRESH_LOG))
goto err;
flush_logs= 0; /* not anymore; that would not be sensible */
}
if (opt_master_data && do_show_master_status(mysql))
goto err;
if (opt_single_transaction && do_unlock_tables(mysql)) /* unlock but no commit! */
goto err;
if (opt_alldbs)
dump_all_databases();
else if (argc > 1 && !opt_databases)
{
/* Only one database and selected table(s) */
dump_selected_tables(*argv, (argv + 1), (argc - 1));
}
else
{
/* One or more databases, all tables */
dump_databases(argv);
}
#ifdef HAVE_SMEM
my_free(shared_memory_base_name,MYF(MY_ALLOW_ZERO_PTR));
#endif
/*
No reason to explicitely COMMIT the transaction, neither to explicitely
UNLOCK TABLES: these will be automatically be done by the server when we
disconnect now. Saves some code here, some network trips, adds nothing to
server.
*/
err:
dbDisconnect(current_host);
if (!path)
write_footer(md_result_file);
free_resources();
return(first_error);
} /* main */
View Git Blame Copy Permalink