mysqldump.c
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- /* 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; either version 2 of the License, or
- (at your option) any later version.
- 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 "10.9"
- #include <my_global.h>
- #include <my_sys.h>
- #include <m_string.h>
- #include <m_ctype.h>
- #include <hash.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
- 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 *field_escape(char *to,const char *from,uint length);
- static my_bool verbose=0,tFlag=0,dFlag=0,quick= 1, extended_insert= 1,
- lock_tables=1,ignore_errors=0,flush_logs=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;
- static ulong opt_max_allowed_packet, opt_net_buffer_length;
- static MYSQL mysql_connection,*sock=0;
- static my_bool insert_pat_inited=0;
- static DYNAMIC_STRING insert_pat;
- static char *opt_password=0,*current_user=0,
- *current_host=0,*path=0,*fields_terminated=0,
- *lines_terminated=0, *enclosed=0, *opt_enclosed=0, *escaped=0,
- *where=0, *order_by=0,
- *opt_compatible_mode_str= 0,
- *err_ptr= 0;
- 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;
- #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";
- 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__
- {"auto-close", 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
- {"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},
- {"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*) ¤t_host,
- (gptr*) ¤t_host, 0, GET_STR_ALLOC, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
- {"ignore-table", OPT_IGNORE_TABLE,
- "Do not dump the specified table. To specify more than one table to ignore, "
- "use the directive multiple times, once for each table. Each table must "
- "be specified with both database and table names, e.g. --ignore-table=database.table",
- 0, 0, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0},
- {"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*) &tFlag, (gptr*) &tFlag, 0, GET_BOOL, NO_ARG, 0, 0, 0, 0, 0, 0},
- {"no-data", 'd', "No row information.", (gptr*) &dFlag, (gptr*) &dFlag, 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, MYSQL_PORT, 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},
- {"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},
- #ifndef DONT_ALLOW_USER_CHANGE
- {"user", 'u', "User for login if not current user.",
- (gptr*) ¤t_user, (gptr*) ¤t_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(char *);
- static int dump_databases(char **);
- static int dump_all_databases();
- static char *quote_name(const char *name, char *buff, my_bool force);
- static const char *check_if_ignore_table(const char *table_name);
- static char *primary_key_fields(const char *table_name);
- #include <help_start.h>
- /*
- 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 writen", my_progname, errno);
- 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 licensen");
- 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 --helpn", 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);
- 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 %sn--n", DUMP_VERSION);
- fprintf(sql_file, "-- Host: %s Database: %sn",
- current_host ? current_host : "localhost", db_name ? db_name :
- "");
- fputs("-- ------------------------------------------------------n",
- sql_file);
- fprintf(sql_file, "-- Server versiont%sn",
- 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 (!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)
- {
- 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);
- 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;
- }
- void init_table_rule_hash(HASH* h)
- {
- if (hash_init(h, charset_info, 16, 0, 0,
- (hash_get_key) get_table_key,
- (hash_free_key) free_table_ent, 0))
- exit(EX_EOM);
- }
- 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);
- 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 (!hash_inited(&ignore_table))
- init_table_rule_hash(&ignore_table);
- 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: %sn", 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: %sn", 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);
- if ((ho_error=handle_options(argc, argv, my_long_options, get_one_option)))
- exit(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(1);
- }
- /* 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(1);
- }
- 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(1);
- }
- if ((opt_databases || opt_alldbs) && path)
- {
- fprintf(stderr,
- "%s: --databases or --all-databases can't be used with --tab.n",
- my_progname);
- return(1);
- }
- 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 1;
- }
- if (tty_password)
- opt_password=get_tty_password(NullS);
- return(0);
- } /* get_options */
- /*
- ** DBerror -- prints mysql error message and exits the program.
- */
- static void DBerror(MYSQL *mysql, const char *when)
- {
- DBUG_ENTER("DBerror");
- my_printf_error(0,"Got error: %d: %s %s", MYF(0),
- mysql_errno(mysql), mysql_error(mysql), when);
- safe_exit(EX_MYSQLERR);
- DBUG_VOID_RETURN;
- } /* DBerror */
- /*
- 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))))
- {
- my_printf_error(0, "%s: Couldn't execute '%s': %s (%d)",
- MYF(0), my_progname, query,
- mysql_error(mysql_con), mysql_errno(mysql_con));
- return 1;
- }
- return 0;
- }
- static void safe_exit(int error)
- {
- if (!first_error)
- first_error= error;
- if (ignore_errors)
- return;
- if (sock)
- mysql_close(sock);
- exit(error);
- }
- /* safe_exit */
- /*
- ** dbConnect -- connects to the host and selects DB.
- */
- static int dbConnect(char *host, char *user,char *passwd)
- {
- char buff[20+FN_REFLEN];
- DBUG_ENTER("dbConnect");
- if (verbose)
- {
- fprintf(stderr, "-- 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);
- #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 (!(sock= mysql_real_connect(&mysql_connection,host,user,passwd,
- NULL,opt_mysql_port,opt_mysql_unix_port,
- 0)))
- {
- DBerror(&mysql_connection, "when trying to connect");
- 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.
- */
- sock->reconnect= 0;
- my_snprintf(buff, sizeof(buff), "/*!40100 SET @@SQL_MODE='%s' */",
- compatible_mode_normal_str);
- if (mysql_query_with_error_report(sock, 0, buff))
- {
- mysql_close(sock);
- safe_exit(EX_MYSQLERR);
- return 1;
- }
- return 0;
- } /* dbConnect */
- /*
- ** dbDisconnect -- disconnects from the host.
- */
- static void dbDisconnect(char *host)
- {
- if (verbose)
- fprintf(stderr, "-- Disconnecting from %s...n", host ? host : "localhost");
- mysql_close(sock);
- } /* 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 */
- 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: "t1" => "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()
- output - 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("<", xml_file);
- break;
- case '>':
- fputs(">", xml_file);
- break;
- case '&':
- fputs("&", xml_file);
- break;
- case '"':
- fputs(""", xml_file);
- break;
- default:
- fputc(*str, xml_file);
- break;
- }
- }
- check_io(xml_file);
- }
- /*
- Print xml tag with one attribute.
-
- SYNOPSIS
- print_xml_tag1()
- 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:
- sbeg<stag_atr="sval">send
- NOTE
- sval MUST be a NULL terminated string.
- sval string will be qouted before output.
- */
- static void print_xml_tag1(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("">", 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:
- tt<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, "tt<%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);
- }
- /*
- getTableStructure -- retrievs database structure, prints out corresponding
- CREATE statement and fills out insert_pat.
- RETURN
- number of fields in table, 0 if error
- */
- static uint getTableStructure(char *table, char* db)
- {
- MYSQL_RES *tableRes;
- MYSQL_ROW row;
- my_bool init=0;
- uint numFields;
- 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];
- char query_buff[512];
- FILE *sql_file = md_result_file;
- int len;
- DBUG_ENTER("getTableStructure");
- DBUG_PRINT("enter", ("db: %s, table: %s", db, table));
- if (!insert_pat_inited)
- {
- insert_pat_inited= init_dynamic_string(&insert_pat, "", 1024, 1024);
- }
- else
- dynstr_set(&insert_pat, "");
- insert_option= ((opt_delayed && opt_ignore) ? " DELAYED IGNORE " :
- opt_delayed ? " DELAYED " :
- opt_ignore ? " IGNORE " : "");
- if (verbose)
- fprintf(stderr, "-- 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(opt_quoted_table);
- if (!opt_xml && !mysql_query_with_error_report(sock, 0, query_buff))
- {
- /* using SHOW CREATE statement */
- if (!tFlag)
- {
- /* Make an sql-file, if path was given iow. option -T was given */
- char buff[20+FN_REFLEN];
- my_snprintf(buff, sizeof(buff), "show create table %s", result_table);
- if (mysql_query_with_error_report(sock, 0, buff))
- {
- safe_exit(EX_MYSQLERR);
- DBUG_RETURN(0);
- }
- if (path)
- {
- char filename[FN_REFLEN], tmp_path[FN_REFLEN];
- convert_dirname(tmp_path,path,NullS);
- sql_file= my_fopen(fn_format(filename, table, tmp_path, ".sql", 4),
- O_WRONLY, MYF(MY_WME));
- if (!sql_file) /* If file couldn't be opened */
- {
- 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 %sn--nn",
- result_table);
- check_io(sql_file);
- }
- if (opt_drop)
- {
- fprintf(sql_file, "DROP TABLE IF EXISTS %s;n", opt_quoted_table);
- check_io(sql_file);
- }
- tableRes=mysql_store_result(sock);
- row=mysql_fetch_row(tableRes);
- fprintf(sql_file, "%s;n", row[1]);
- check_io(sql_file);
- mysql_free_result(tableRes);
- }
- my_snprintf(query_buff, sizeof(query_buff), "show fields from %s",
- result_table);
- if (mysql_query_with_error_report(sock, &tableRes, query_buff))
- {
- if (path)
- my_fclose(sql_file, MYF(MY_WME));
- safe_exit(EX_MYSQLERR);
- DBUG_RETURN(0);
- }
- 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 (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(tableRes)))
- {
- if (init)
- {
- if (opt_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));
- }
- numFields = (uint) mysql_num_rows(tableRes);
- mysql_free_result(tableRes);
- }
- else
- {
- if (verbose)
- fprintf(stderr,
- "%s: Warning: Can't set SQL_QUOTE_SHOW_CREATE option (%s)n",
- my_progname, mysql_error(sock));
- my_snprintf(query_buff, sizeof(query_buff), "show fields from %s",
- result_table);
- if (mysql_query_with_error_report(sock, &tableRes, query_buff))
- {
- safe_exit(EX_MYSQLERR);
- DBUG_RETURN(0);
- }
- /* Make an sql-file, if path was given iow. option -T was given */
- if (!tFlag)
- {
- if (path)
- {
- char filename[FN_REFLEN], tmp_path[FN_REFLEN];
- convert_dirname(tmp_path,path,NullS);
- sql_file= my_fopen(fn_format(filename, table, tmp_path, ".sql", 4),
- O_WRONLY, MYF(MY_WME));
- if (!sql_file) /* If file couldn't be opened */
- {
- 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 %sn--nn",
- 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_tag1(sql_file, "t", "table_structure name=", table, "n");
- check_io(sql_file);
- }
- 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(tableRes)))
- {
- ulong *lengths=mysql_fetch_lengths(tableRes);
- if (init)
- {
- if (!opt_xml && !tFlag)
- {
- fputs(",n",sql_file);
- check_io(sql_file);
- }
- if (opt_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 (!tFlag)
- {
- if (opt_xml)
- {
- print_xml_row(sql_file, "field", tableRes, &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);
- }
- }
- numFields = (uint) mysql_num_rows(tableRes);
- mysql_free_result(tableRes);
- if (!tFlag)
- {
- /* 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(sock, &tableRes, buff))
- {
- 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(tableRes)))
- {
- 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(tableRes,0);
- keynr=0;
- while ((row=mysql_fetch_row(tableRes)))
- {
- if (opt_xml)
- {
- print_xml_row(sql_file, "key", tableRes, &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[FN_REFLEN];
- /* Check memory for quote_for_like() */
- DBUG_ASSERT(2*sizeof(table) < sizeof(show_name_buff));
- my_snprintf(buff, sizeof(buff), "show table status like %s",
- quote_for_like(table, show_name_buff));
- if (mysql_query_with_error_report(sock, &tableRes, buff))
- {
- if (mysql_errno(sock) != ER_PARSE_ERROR)
- { /* If old MySQL version */
- if (verbose)
- fprintf(stderr,
- "-- Warning: Couldn't get status information for table %s (%s)n",
- result_table,mysql_error(sock));
- }
- }
- else if (!(row=mysql_fetch_row(tableRes)))
- {
- fprintf(stderr,
- "Error: Couldn't read status information for table %s (%s)n",
- result_table,mysql_error(sock));
- }
- else
- {
- if (opt_xml)
- {
- print_xml_row(sql_file, "options", tableRes, &row);
- }
- else
- {
- fputs("/*!",sql_file);
- print_value(sql_file,tableRes,row,"engine=","Engine",0);
- print_value(sql_file,tableRes,row,"","Create_options",0);
- print_value(sql_file,tableRes,row,"comment=","Comment",1);
- fputs(" */",sql_file);
- check_io(sql_file);
- }
- }
- mysql_free_result(tableRes); /* Is always safe to free */
- }
- 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(numFields);
- } /* getTableStructure */
- 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 doubleing ' 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;
- }
- /*
- ** dumpTable saves database contents as a series of INSERT statements.
- */
- static void dumpTable(uint numFields, char *table)
- {
- char query_buf[QUERY_LENGTH], *end, buff[256],table_buff[NAME_LEN+3];
- char *result_table, table_buff2[NAME_LEN*2+3], *opt_quoted_table;
- char *query= query_buf;
- MYSQL_RES *res;
- MYSQL_FIELD *field;
- MYSQL_ROW row;
- ulong rownr, row_break, total_length, init_length;
- const char *table_type;
- int error= 0;
- result_table= quote_name(table,table_buff, 1);
- opt_quoted_table= quote_name(table, table_buff2, 0);
- /* Check table type */
- if ((table_type= check_if_ignore_table(table)))
- {
- if (verbose)
- fprintf(stderr,
- "-- Skipping data for table '%s' because it's of type %sn",
- table, table_type);
- return;
- }
- if (verbose)
- fprintf(stderr, "-- 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= ' ';
- 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(sock, query, (uint) (end - query)))
- {
- DBerror(sock, "when executing 'SELECT INTO OUTFILE'");
- return;
- }
- }
- else
- {
- if (!opt_xml && opt_comments)
- {
- fprintf(md_result_file,"n--n-- Dumping data for table %sn--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: %sn", 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: %sn", 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(sock, 0, query))
- DBerror(sock, "when retrieving data from server");
- if (quick)
- res=mysql_use_result(sock);
- else
- res=mysql_store_result(sock);
- if (!res)
- DBerror(sock, "when retrieving data from server");
- if (verbose)
- fprintf(stderr, "-- Retrieving rows...n");
- if (mysql_num_fields(res) != numFields)
- {
- fprintf(stderr,"%s: Error in field count for table: %s ! Aborting.n",
- my_progname, result_table);
- error= EX_CONSCHECK;
- goto err;
- }
- if (opt_disable_keys)
- {
- fprintf(md_result_file, "n/*!40000 ALTER TABLE %s DISABLE KEYS */;n",
- opt_quoted_table);
- check_io(md_result_file);
- }
- if (opt_lock)
- {
- fprintf(md_result_file,"LOCK TABLES %s WRITE;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_tag1(md_result_file, "t", "table_data name=", table, "n");
- 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;
- 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 == FIELD_TYPE_STRING ||
- field->type == FIELD_TYPE_VAR_STRING ||
- field->type == FIELD_TYPE_BLOB ||
- field->type == FIELD_TYPE_LONG_BLOB ||
- field->type == FIELD_TYPE_MEDIUM_BLOB ||
- field->type == FIELD_TYPE_TINY_BLOB)) ? 1 : 0;
- if (extended_insert)
- {
- ulong length = lengths[i];
- 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]= ' ';
- }
- 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]=' ';
- 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)
- {
- print_xml_tag1(md_result_file, "tt", "field name=",
- field->name, "");
- print_quoted_xml(md_result_file, row[i], lengths[i]);
- fputs("</field>n", md_result_file);
- }
- else if (opt_hex_blob && is_blob)
- {
- /* sakaik got the idea to to provide blob's in hex notation. */
- char *ptr= row[i], *end= ptr+ lengths[i];
- fputs("0x", md_result_file);
- for (; ptr < end ; ptr++)
- fprintf(md_result_file, "%02X", *((uchar *)ptr));
- }
- else
- unescape(md_result_file, row[i], lengths[i]);
- }
- else
- {
- /* change any strings ("inf", "-inf", "nan") into NULL */
- char *ptr = row[i];
- if (opt_xml)
- {
- print_xml_tag1(md_result_file, "tt", "field name=",
- field->name, "");
- 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, "tt", "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(sock))
- {
- my_snprintf(query, QUERY_LENGTH,
- "%s: Error %d: %s when dumping table %s at row: %ldn",
- my_progname,
- mysql_errno(sock),
- mysql_error(sock),
- result_table,
- rownr);
- fputs(query,stderr);
- error= EX_CONSCHECK;
- goto err;
- }
- if (opt_lock)
- {
- fputs("UNLOCK TABLES;n", md_result_file);
- check_io(md_result_file);
- }
- 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_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));
- }
- return;
- err:
- if (query != query_buf)
- my_free(query, MYF(MY_ALLOW_ZERO_PTR));
- safe_exit(error);
- return;
- } /* dumpTable */
- static char *getTableName(int reset)
- {
- static MYSQL_RES *res = NULL;
- MYSQL_ROW row;
- if (!res)
- {
- if (!(res = mysql_list_tables(sock,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(sock, &tableres, "SHOW DATABASES"))
- return 1;
- while ((row = mysql_fetch_row(tableres)))
- {
- if (dump_all_tables_in_db(row[0]))
- result=1;
- }
- return result;
- }
- /* dump_all_databases */
- static int dump_databases(char **db_names)
- {
- int result=0;
- for ( ; *db_names ; db_names++)
- {
- if (dump_all_tables_in_db(*db_names))
- result=1;
- }
- return result;
- } /* dump_databases */
- static int init_dumping(char *database)
- {
- if (mysql_select_db(sock, database))
- {
- DBerror(sock, "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[64*2+3];
- char *qdatabase= quote_name(database,quoted_database_buf,opt_quoted);
- if (opt_comments)
- {
- fprintf(md_result_file,"n--n-- Current Database: %sn--n", qdatabase);
- check_io(md_result_file);
- }
- 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(sock, qbuf) || !(dbinfo = mysql_store_result(sock)))
- {
- /* 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]);
- }
- }
- }
- 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 */
- my_bool include_table(byte* hash_key, uint len)
- {
- if (hash_search(&ignore_table, (byte*) hash_key, len))
- return FALSE;
- return TRUE;
- }
- 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;
- afterdot= strmov(hash_key, database);
- *afterdot++= '.';
- if (init_dumping(database))
- return 1;
- if (opt_xml)
- print_xml_tag1(md_result_file, "", "database name=", database, "n");
- 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(sock, query.str, query.length-1))
- DBerror(sock, "when using LOCK TABLES");
- /* We shall continue here, if --force was given */
- dynstr_free(&query);
- }
- if (flush_logs)
- {
- if (mysql_refresh(sock, REFRESH_LOG))
- DBerror(sock, "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))
- {
- numrows = getTableStructure(table, database);
- if (!dFlag && numrows > 0)
- dumpTable(numrows,table);
- 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)
- mysql_query_with_error_report(sock, 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
- int - 0 if a tablename was retrieved. 1 if not
- */
- static int get_actual_table_name(const char *old_table_name,
- char *new_table_name,
- int buf_size)
- {
- int retval;
- MYSQL_RES *tableRes;
- MYSQL_ROW row;
- char query[50 + 2*NAME_LEN];
- char show_name_buff[FN_REFLEN];
- DBUG_ENTER("get_actual_table_name");
- DBUG_PRINT("enter", ("old_table_name: %s", old_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(sock, 0, query))
- {
- safe_exit(EX_MYSQLERR);
- }
- tableRes= mysql_store_result( sock );
- retval = 1;
- if (tableRes != NULL)
- {
- my_ulonglong numRows= mysql_num_rows(tableRes);
- if (numRows > 0)
- {
- row= mysql_fetch_row( tableRes );
- strmake(new_table_name, row[0], buf_size-1);
- retval= 0;
- DBUG_PRINT("info", ("new_table_name: %s", new_table_name));
- }
- mysql_free_result(tableRes);
- }
- DBUG_PRINT("exit", ("retval: %d", retval));
- DBUG_RETURN(retval);
- }
- static int dump_selected_tables(char *db, char **table_names, int tables)
- {
- uint numrows, i;
- char table_buff[NAME_LEN*+3];
- char new_table_name[NAME_LEN];
- DYNAMIC_STRING lock_tables_query;
- HASH dump_tables;
- DBUG_ENTER("dump_selected_tables");
- if (init_dumping(db))
- return 1;
- /* Init hash table for storing the actual name of tables to dump */
- if (hash_init(&dump_tables, charset_info, 16, 0, 0,
- (hash_get_key) get_table_key, (hash_free_key) free_table_ent,
- 0))
- 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 (!get_actual_table_name(*table_names,
- new_table_name, sizeof(new_table_name) ))
- {
- /* Add found table name to lock_tables_query */
- if (lock_tables)
- {
- dynstr_append(&lock_tables_query,
- quote_name(new_table_name, table_buff, 1));
- dynstr_append(&lock_tables_query, " READ /*!32311 LOCAL */,");
- }
- /* Add found table name to dump_tables list */
- if (my_hash_insert(&dump_tables,
- (byte*)my_strdup(new_table_name, MYF(0))))
- exit(EX_EOM);
- }
- 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 */
- }
- }
- if (lock_tables)
- {
- if (mysql_real_query(sock, lock_tables_query.str,
- lock_tables_query.length-1))
- DBerror(sock, "when doing LOCK TABLES");
- /* We shall countinue here, if --force was given */
- }
- dynstr_free(&lock_tables_query);
- if (flush_logs)
- {
- if (mysql_refresh(sock, REFRESH_LOG))
- DBerror(sock, "when doing refresh");
- /* We shall countinue here, if --force was given */
- }
- if (opt_xml)
- print_xml_tag1(md_result_file, "", "database name=", db, "n");
- /* Dump each selected table */
- for (i= 0 ; i < dump_tables.records ; i++)
- {
- const char *table_name= hash_element(&dump_tables, i);
- DBUG_PRINT("info",("Dumping table %s", table_name));
- numrows= getTableStructure((char*) table_name, db);
- if (!dFlag && numrows > 0)
- dumpTable(numrows, (char*) table_name);
- }
- hash_free(&dump_tables);
- 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)
- mysql_query_with_error_report(sock, 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"))
- {
- my_printf_error(0, "Error: Couldn't execute 'SHOW MASTER STATUS': %s",
- MYF(0), mysql_error(mysql_con));
- 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 fromn--nn");
- 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, my_bool consistent_read_now)
- {
- /*
- 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,
- consistent_read_now ?
- "START TRANSACTION "
- "WITH CONSISTENT SNAPSHOT" :
- "BEGIN"));
- }
- 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 */
- /*
- Check if we the table is one of the table types that should be ignored:
- MRG_ISAM, MRG_MYISAM
- SYNOPSIS
- check_if_ignore_table()
- table_name Table name to check
- GLOBAL VARIABLES
- sock MySQL socket
- verbose Write warning messages
- RETURN
- 0 Table should be backuped
- # Type of table (that should be skipped)
- */
- static const char *check_if_ignore_table(const char *table_name)
- {
- char buff[FN_REFLEN+80], show_name_buff[FN_REFLEN];
- MYSQL_RES *res;
- MYSQL_ROW row;
- const char *result= 0;
- /* 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(sock, &res, buff))
- {
- if (mysql_errno(sock) != ER_PARSE_ERROR)
- { /* If old MySQL version */
- if (verbose)
- fprintf(stderr,
- "-- Warning: Couldn't get status information for table %s (%s)n",
- table_name,mysql_error(sock));
- return 0; /* 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(sock));
- mysql_free_result(res);
- return 0; /* assume table is ok */
- }
- if (strcmp(row[1], (result= "MRG_MyISAM")) &&
- strcmp(row[1], (result= "MRG_ISAM")))
- result= 0;
- mysql_free_result(res);
- 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 +