diff options
| author | Marko Mäkelä <marko.makela@mariadb.com> | 2020-11-02 15:48:47 +0200 |
|---|---|---|
| committer | Marko Mäkelä <marko.makela@mariadb.com> | 2020-11-02 15:48:47 +0200 |
| commit | c7f322c91faf97a9f758c288b38e1385fd89b32d (patch) | |
| tree | cf2a4cf562acffdf5b4b96d84e34f29c7f428458 | |
| parent | d5ce7824444b7491f420061076ae5087d4829428 (diff) | |
| parent | 8036d0a3590dddf4d51ba02bc74ba3a5a96674f7 (diff) | |
| download | mariadb-git-c7f322c91faf97a9f758c288b38e1385fd89b32d.tar.gz | |
Merge 10.2 into 10.3
32 files changed, 1635 insertions, 96 deletions
diff --git a/client/completion_hash.cc b/client/completion_hash.cc index 0d88aa9b15e..e5d3f485810 100644 --- a/client/completion_hash.cc +++ b/client/completion_hash.cc @@ -205,7 +205,8 @@ Bucket *find_longest_match(HashTable *ht, char *str, uint length, void completion_hash_clean(HashTable *ht) { free_root(&ht->mem_root,MYF(0)); - bzero((char*) ht->arBuckets,ht->nTableSize*sizeof(Bucket *)); + if (size_t s= ht->nTableSize) + bzero((char*) ht->arBuckets, s * sizeof(Bucket *)); } diff --git a/client/mysqldump.c b/client/mysqldump.c index 921905d1853..a964f96437d 100644 --- a/client/mysqldump.c +++ b/client/mysqldump.c @@ -39,7 +39,8 @@ ** 10 Jun 2003: SET NAMES and --no-set-names by Alexander Barkov */ -#define DUMP_VERSION "10.18" +/* on merge conflict, bump to a higher version again */ +#define DUMP_VERSION "10.19" #include <my_global.h> #include <my_sys.h> @@ -117,6 +118,21 @@ static my_bool verbose= 0, opt_no_create_info= 0, opt_no_data= 0, opt_no_data_m opt_events= 0, opt_comments_used= 0, opt_alltspcs=0, opt_notspcs= 0, opt_logging, opt_drop_trigger= 0 ; +#define OPT_SYSTEM_ALL 1 +#define OPT_SYSTEM_USERS 2 +#define OPT_SYSTEM_PLUGINS 4 +#define OPT_SYSTEM_UDFS 8 +#define OPT_SYSTEM_SERVERS 16 +#define OPT_SYSTEM_STATS 32 +#define OPT_SYSTEM_TIMEZONES 64 +static const char *opt_system_type_values[]= + {"all", "users", "plugins", "udfs", "servers", "stats", "timezones"}; +static TYPELIB opt_system_types= +{ + array_elements(opt_system_type_values), "system dump options", + opt_system_type_values, NULL +}; +static ulonglong opt_system= 0ULL; static my_bool insert_pat_inited= 0, debug_info_flag= 0, debug_check_flag= 0, select_field_names_inited= 0; static ulong opt_max_allowed_packet, opt_net_buffer_length; @@ -534,6 +550,8 @@ static struct my_option my_long_options[] = &opt_mysql_unix_port, &opt_mysql_unix_port, 0, GET_STR, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, #include <sslopt-longopts.h> + {"system", 256, "Dump system tables as portable SQL", + &opt_system, &opt_system, &opt_system_types, GET_SET, REQUIRED_ARG, 0, 0, 0, 0, 0, 0}, {"tab",'T', "Create tab-separated textfile for each table to given path. (Create .sql " "and .txt files.) NOTE: This only works if mysqldump is run on the same " @@ -576,7 +594,7 @@ static const char *load_default_groups[]= static void maybe_exit(int error); static void die(int error, const char* reason, ...); static void maybe_die(int error, const char* reason, ...); -static void write_header(FILE *sql_file, char *db_name); +static void write_header(FILE *sql_file, const char *db_name); static void print_value(FILE *file, MYSQL_RES *result, MYSQL_ROW row, const char *prefix,const char *name, int string_value); @@ -587,6 +605,12 @@ 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 int dump_all_users_roles_and_grants(); +static int dump_all_plugins(); +static int dump_all_udfs(); +static int dump_all_servers(); +static int dump_all_stats(); +static int dump_all_timezones(); 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); @@ -648,9 +672,10 @@ static void print_version(void) static void short_usage_sub(FILE *f) { fprintf(f, "Usage: %s [OPTIONS] database [tables]\n", my_progname_short); - fprintf(f, "OR %s [OPTIONS] --databases [OPTIONS] DB1 [DB2 DB3...]\n", + fprintf(f, "OR %s [OPTIONS] --databases DB1 [DB2 DB3...]\n", my_progname_short); - fprintf(f, "OR %s [OPTIONS] --all-databases [OPTIONS]\n", my_progname_short); + fprintf(f, "OR %s [OPTIONS] --all-databases\n", my_progname_short); + fprintf(f, "OR %s [OPTIONS] --system=[SYSTEMOPTIONS]]\n", my_progname_short); } @@ -698,7 +723,7 @@ static const char *fix_for_comment(const char *ident) } -static void write_header(FILE *sql_file, char *db_name) +static void write_header(FILE *sql_file, const char *db_name) { if (opt_xml) { @@ -1045,6 +1070,76 @@ static int get_options(int *argc, char ***argv) if ((ho_error= handle_options(argc, argv, my_long_options, get_one_option))) return(ho_error); + if (opt_system & OPT_SYSTEM_ALL) + opt_system|= ~0; + + if (opt_system & OPT_SYSTEM_USERS && + (my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.db", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.global_priv", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.tables_priv", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.columns_priv", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.procs_priv", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.user", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.host", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.proxies_priv", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.roles_mapping", MYF(MY_WME))) || + /* and MySQL-8.0 role tables (role_edges and default_roles) as well */ + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.role_edges", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.default_roles", MYF(MY_WME))))) + return(EX_EOM); + + if (opt_system & OPT_SYSTEM_PLUGINS && + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.plugin", MYF(MY_WME)))) + return(EX_EOM); + + if (opt_system & OPT_SYSTEM_UDFS && + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.func", MYF(MY_WME)))) + return(EX_EOM); + + if (opt_system & OPT_SYSTEM_SERVERS && + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.servers", MYF(MY_WME)))) + return(EX_EOM); + + if (opt_system & OPT_SYSTEM_STATS && + (my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.column_stats", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.index_stats", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.table_stats", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.innodb_table_stats", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.innodb_index_stats", MYF(MY_WME))))) + return(EX_EOM); + + if (opt_system & OPT_SYSTEM_TIMEZONES && + (my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.time_zone", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.time_zone_leap_second", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.time_zone_name", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.time_zone_transition", MYF(MY_WME))) || + my_hash_insert(&ignore_table, + (uchar*) my_strdup("mysql.time_zone_transition_type", MYF(MY_WME))))) + return(EX_EOM); + *mysql_params->p_max_allowed_packet= opt_max_allowed_packet; *mysql_params->p_net_buffer_length= opt_net_buffer_length; if (debug_info_flag) @@ -1109,7 +1204,7 @@ static int get_options(int *argc, char ***argv) !(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)) + if ((*argc < 1 && (!opt_alldbs && !opt_system)) || (*argc > 0 && opt_alldbs)) { short_usage(stderr); return EX_USAGE; @@ -1233,7 +1328,6 @@ static int fetch_db_collation(const char *db_name, my_bool err_status= FALSE; MYSQL_RES *db_cl_res; MYSQL_ROW db_cl_row; - if (mysql_select_db(mysql, db_name)) { DB_error(mysql, "when selecting the database"); @@ -2816,7 +2910,7 @@ static void get_sequence_structure(const char *seq, const char *db) number of fields in table, 0 if error */ -static uint get_table_structure(char *table, char *db, char *table_type, +static uint get_table_structure(const char *table, const char *db, char *table_type, char *ignore_flag) { my_bool init=0, delayed, write_data, complete_insert; @@ -3765,7 +3859,7 @@ static char *alloc_query_str(size_t size) */ -static void dump_table(char *table, char *db, const uchar *hash_key, size_t len) +static void dump_table(const char *table, const char *db, const uchar *hash_key, size_t len) { char ignore_flag; char buf[200], table_buff[NAME_LEN+3]; @@ -4298,6 +4392,442 @@ static char *getTableName(int reset) /* + dump user/role grants + ARGS + user_role: is either a user, or a role +*/ + +static int dump_grants(const char *user_role) +{ + DYNAMIC_STRING sqlbuf; + MYSQL_ROW row; + MYSQL_RES *tableres; + + init_dynamic_string_checked(&sqlbuf, "SHOW GRANTS FOR ", 256, 1024); + dynstr_append_checked(&sqlbuf, user_role); + + if (mysql_query_with_error_report(mysql, &tableres, sqlbuf.str)) + { + dynstr_free(&sqlbuf); + return 1; + } + while ((row= mysql_fetch_row(tableres))) + { + if (strncmp(row[0], "SET DEFAULT ROLE", sizeof("SET DEFAULT ROLE") - 1) == 0) + continue; + fprintf(md_result_file, "%s;\n", row[0]); + } + mysql_free_result(tableres); + dynstr_free(&sqlbuf); + return 0; +} + + +/* + dump create user +*/ + +static int dump_create_user(const char *user) +{ + DYNAMIC_STRING sqlbuf; + MYSQL_ROW row; + MYSQL_RES *tableres; + + init_dynamic_string_checked(&sqlbuf, "SHOW CREATE USER ", 256, 1024); + dynstr_append_checked(&sqlbuf, user); + + if (mysql_query_with_error_report(mysql, &tableres, sqlbuf.str)) + { + dynstr_free(&sqlbuf); + return 1; + } + while ((row= mysql_fetch_row(tableres))) + { + fprintf(md_result_file, "CREATE %sUSER %s%s;\n", opt_replace_into ? "/*M!100103 OR REPLACE */ ": "", + opt_ignore ? "IF NOT EXISTS " : "", + row[0] + sizeof("CREATE USER")); + } + mysql_free_result(tableres); + dynstr_free(&sqlbuf); + return 0; +} + + +/* + dump all users, roles and their grants +*/ + +static int dump_all_users_roles_and_grants() +{ + MYSQL_ROW row; + MYSQL_RES *tableres; + int result= 0; + /* Roles added in MariaDB-10.0.5 or MySQL-8.0 */ + my_bool maria_roles_exist= (mysql_get_server_version(mysql) >= 100005); + my_bool mysql_roles_exist= (mysql_get_server_version(mysql) >= 80001) && !maria_roles_exist; + + if (mysql_query_with_error_report(mysql, &tableres, + "SELECT CONCAT(QUOTE(u.user), '@', QUOTE(u.Host)) AS u " + "FROM mysql.user u " + " /*!80001 LEFT JOIN mysql.role_edges e " + " ON u.user=e.from_user " + " AND u.host=e.from_host " + " WHERE e.from_user IS NULL */" + " /*M!100005 WHERE is_role='N' */")) + return 1; + while ((row= mysql_fetch_row(tableres))) + { + if (opt_replace_into) + /* Protection against removing the current import user */ + /* MySQL-8.0 export capability */ + fprintf(md_result_file, + "DELIMITER |\n" + "/*M!100101 IF current_user()=\"%s\" THEN\n" + " SIGNAL SQLSTATE '45000' SET MYSQL_ERRNO=30001," + " MESSAGE_TEXT=\"Don't remove current user %s'\";\n" + "END IF */|\n" + "DELIMITER ;\n" + "/*!50701 DROP USER IF EXISTS %s */;\n", row[0], row[0], row[0]); + if (dump_create_user(row[0])) + result= 1; + /* if roles exist, defer dumping grants until after roles created */ + if (maria_roles_exist || mysql_roles_exist) + continue; + if (dump_grants(row[0])) + result= 1; + } + mysql_free_result(tableres); + + if (!(maria_roles_exist || mysql_roles_exist)) + goto exit; + + /* + Preserve current role active role, in case this dump is imported + in the same connection that assumes the active role at the beginning + is the same as at the end of the connection. This is so: + + #!/bin/sh + ( + echo "set role special_role; "; + cat mysqldump.sql; + echo "$dosomethingspecial" + ) | mysql -h $host + + doesn't end up with a suprise that the $dosomethingspecial cannot + be done because `special_role` isn't active. + + We create a new role for importing that becomes the default admin for new + roles. This is because without being a admin on new roles we don't + have the necessary privileges to grant users to a created role or to + create new admins for the created role. + + At the end of the import the mariadb_dump_import_role is be dropped, + which implictly drops all its admin aspects of the dropped role. + This is significiantly easlier than revoking the ADMIN of each role + from the current user. + */ + fputs("SELECT COALESCE(CURRENT_ROLE(),'NONE') into @current_role;\n" + "CREATE ROLE IF NOT EXISTS mariadb_dump_import_role;\n" + "GRANT mariadb_dump_import_role TO CURRENT_USER();\n" + "SET ROLE mariadb_dump_import_role;\n" + , md_result_file); + /* No show create role yet, MDEV-22311 */ + /* Roles, with user admins first, then roles they administer, and recurse on that */ + if (maria_roles_exist && mysql_query_with_error_report(mysql, &tableres, + "WITH RECURSIVE create_role_order AS" + " (SELECT 1 as n, roles_mapping.*" + " FROM mysql.roles_mapping" + " JOIN mysql.user USING (user,host)" + " WHERE is_role='N'" + " AND Admin_option='Y'" + " UNION SELECT c.n+1, r.*" + " FROM create_role_order c" + " JOIN mysql.roles_mapping r ON c.role=r.user" + " AND r.host=''" + " AND r.Admin_option='Y') " + "SELECT QUOTE(ROLE) AS r," + " CONCAT(QUOTE(user)," + " IF(HOST='', '', CONCAT('@', QUOTE(HOST)))) AS c," + " Admin_option " + "FROM create_role_order ORDER BY n, r, user")) + return 1; + /* + TODO Mysql - misses roles that have no admin or role members. + MySQL roles don't require an admin. + */ + if (mysql_roles_exist && mysql_query_with_error_report(mysql, &tableres, + "WITH RECURSIVE create_role_order AS" + " (SELECT 1 AS n," + " re.*" + " FROM mysql.role_edges re" + " JOIN mysql.user u ON re.TO_HOST=u.HOST" + " AND re.TO_USER = u.USER" + " LEFT JOIN mysql.role_edges re2 ON re.TO_USER=re2.FROM_USER" + " AND re2.TO_HOST=re2.FROM_HOST" + " WHERE re2.FROM_USER IS NULL" + " UNION SELECT c.n+1," + " re.*" + " FROM create_role_order c" + " JOIN mysql.role_edges re ON c.FROM_USER=re.TO_USER" + " AND c.FROM_HOST=re.TO_HOST) " + "SELECT CONCAT(QUOTE(FROM_USER), '/*!80001 @', QUOTE(FROM_HOST), '*/') AS r," + " CONCAT(QUOTE(TO_USER), IF(n=1, CONCAT('@', QUOTE(TO_HOST))," + " CONCAT('/*!80001 @', QUOTE(TO_HOST), ' */'))) AS u," + " WITH_ADMIN_OPTION " + "FROM create_role_order " + "ORDER BY n," + " FROM_USER," + " FROM_HOST," + " TO_USER," + " TO_HOST," + " WITH_ADMIN_OPTION")) + return 1; + while ((row= mysql_fetch_row(tableres))) + { + /* MySQL-8.0 export capability */ + if (opt_replace_into) + fprintf(md_result_file, + "/*!80001 DROP ROLE IF EXISTS %s */;\n", row[0]); + fprintf(md_result_file, + "/*!80001 CREATE ROLE %s%s */;\n", opt_ignore ? "IF NOT EXISTS " : "", row[0]); + /* By default created with current role */ + fprintf(md_result_file, + "%sROLE %s%s WITH ADMIN mariadb_dump_import_role */;\n", + opt_replace_into ? "/*M!100103 CREATE OR REPLACE ": "/*M!100005 CREATE ", + opt_ignore ? "IF NOT EXISTS " : "", row[0]); + fprintf(md_result_file, "/*M!100005 GRANT %s TO %s%s*/;\n", + row[0], row[1], (row[2][0] == 'Y') ? " WITH ADMIN OPTION " : ""); + } + mysql_free_result(tableres); + + /* users and their default role */ + if (maria_roles_exist && mysql_query_with_error_report(mysql, &tableres, + "select IF(default_role='', 'NONE', QUOTE(default_role)) as r," + "concat(QUOTE(User), '@', QUOTE(Host)) as u FROM mysql.user " + "/*M!100005 WHERE is_role='N' */")) + return 1; + if (mysql_roles_exist && mysql_query_with_error_report(mysql, &tableres, + "SELECT IF(DEFAULT_ROLE_HOST IS NULL, 'NONE', CONCAT(QUOTE(DEFAULT_ROLE_USER)," + " '@', QUOTE(DEFAULT_ROLE_HOST))) as r," + " CONCAT(QUOTE(mu.USER),'@',QUOTE(mu.HOST)) as u " + "FROM mysql.user mu LEFT JOIN mysql.default_roles using (USER, HOST)")) + return 1; + while ((row= mysql_fetch_row(tableres))) + { + if (dump_grants(row[1])) + result= 1; + fprintf(md_result_file, "/*M!100005 SET DEFAULT ROLE %s FOR %s */;\n", row[0], row[1]); + fprintf(md_result_file, "/*!80001 ALTER USER %s DEFAULT ROLE %s */;\n", row[1], row[0]); + } + mysql_free_result(tableres); + + if (maria_roles_exist && mysql_query_with_error_report(mysql, &tableres, + "SELECT DISTINCT QUOTE(m.role) AS r " + " FROM mysql.roles_mapping m" + " JOIN mysql.user u ON u.user = m.role" + " WHERE is_role='Y'" + " AND Admin_option='Y'" + " ORDER BY m.role")) + return 1; + if (mysql_roles_exist && mysql_query_with_error_report(mysql, &tableres, + "SELECT DISTINCT CONCAT(QUOTE(FROM_USER),'@', QUOTE(FROM_HOST)) AS r " + "FROM mysql.role_edges")) + return 1; + while ((row= mysql_fetch_row(tableres))) + { + if (dump_grants(row[0])) + result= 1; + } + mysql_free_result(tableres); + /* switch back */ + fputs("SET ROLE NONE;\n" + "DROP ROLE mariadb_dump_import_role;\n" + "/*M!100203 EXECUTE IMMEDIATE CONCAT('SET ROLE ', @current_role) */;\n", + md_result_file); +exit: + + return result; +} + + +/* + dump all plugins +*/ + +static int dump_all_plugins() +{ + MYSQL_ROW row; + MYSQL_RES *tableres; + + if (mysql_query_with_error_report(mysql, &tableres, "SHOW PLUGINS")) + return 1; + /* Name, Status, Type, Library, License */ + while ((row= mysql_fetch_row(tableres))) + { + if (strcmp("ACTIVE", row[1]) != 0) + continue; + /* Should we be skipping builtins? */ + if (row[3] == NULL) + continue; + if (opt_replace_into) + { + fprintf(md_result_file, "/*M!100401 UNINSTALL PLUGIN IF EXIST %s */;\n", + row[0]); + } + fprintf(md_result_file, + "INSTALL PLUGIN %s %s SONAME '%s';\n", row[0], + opt_ignore ? "/*M!100401 IF NOT EXISTS */" : "", row[3]); + } + mysql_free_result(tableres); + + return 0; +} + + +/* + dump all udfs +*/ + +static int dump_all_udfs() +{ + /* we don't support all these types yet, but get prepared if we do */ + static const char *udf_types[] = {"STRING", "REAL", "INT", "ROW", "DECIMAL", "TIME" }; + MYSQL_ROW row; + MYSQL_RES *tableres; + int retresult, result= 0; + + if (mysql_query_with_error_report(mysql, &tableres, "SELECT * FROM mysql.func")) + return 1; + /* Name, ret, dl, type*/ + while ((row= mysql_fetch_row(tableres))) + { + retresult= atoi(row[1]); + if (retresult < 0 || array_elements(udf_types) <= (size_t) retresult) + { + fprintf(stderr, "%s: Error: invalid return type on udf function '%s'\n", + my_progname_short, row[0]); + result= 1; + continue; + } + if (opt_replace_into) + { + fprintf(md_result_file, "/*!50701 DROP FUNCTION IF EXISTS %s */;\n", + row[0]); + } + fprintf(md_result_file, + "CREATE %s%sFUNCTION %s%s RETURNS %s SONAME '%s';\n", + opt_replace_into ? "/*M!100103 OR REPLACE */ ": "", + (strcmp("AGGREGATE", row[2])==0 ? "AGGREGATE " : ""), + opt_ignore ? "IF NOT EXISTS " : "", row[0], udf_types[retresult], row[2]); + } + mysql_free_result(tableres); + + return result; +} + + +/* + dump all servers +*/ + +static int dump_all_servers() +{ + /* No create server yet - MDEV-15696 */ + MYSQL_ROW row; + MYSQL_RES *tableres; + MYSQL_FIELD *f; + unsigned int num_fields, i; + my_bool comma_prepend= 0; + const char *qstring; + + if (mysql_query_with_error_report(mysql, &tableres, "SELECT * FROM mysql.servers")) + return 1; + num_fields= mysql_num_fields(tableres); + while ((row= mysql_fetch_row(tableres))) + { + fprintf(md_result_file,"CREATE %sSERVER %s%s FOREIGN DATA WRAPPER %s OPTIONS (", + opt_replace_into ? "/*M!100103 OR REPLACE */ ": "", + opt_ignore ? "/*M!100103 IF NOT EXISTS */ " : "", row[0], row[7]); + for (i= 1; i < num_fields; i++) + { + if (i == 7 || row[i][0] == '\0') /* Wrapper or empty string */ + continue; + f= &tableres->fields[i]; + qstring= (f->type == MYSQL_TYPE_STRING || f->type == MYSQL_TYPE_VAR_STRING) ? "'" : ""; + fprintf(md_result_file, "%s%s %s%s%s", + (comma_prepend ? ", " : ""), f->name, qstring, row[i], qstring); + comma_prepend= 1; + } + fputs(");\n", md_result_file); + } + mysql_free_result(tableres); + + return 0; +} + + +/* + dump all system statistical tables +*/ + +static int dump_all_stats() +{ + my_bool prev_no_create_info; + + if (mysql_select_db(mysql, "mysql")) + { + DB_error(mysql, "when selecting the database"); + return 1; /* If --force */ + } + fprintf(md_result_file,"\nUSE mysql;\n"); + prev_no_create_info= opt_no_create_info; + opt_no_create_info= 1; /* don't overwrite recreate tables */ + /* EITS added in 10.0.1 */ + if (mysql_get_server_version(mysql) >= 100001) + { + dump_table("column_stats", "mysql", NULL, 0); + dump_table("index_stats", "mysql", NULL, 0); + dump_table("table_stats", "mysql", NULL, 0); + } + /* Innodb may be disabled */ + if (!mysql_query(mysql, "show fields from innodb_index_stats")) + { + MYSQL_RES *tableres= mysql_store_result(mysql); + mysql_free_result(tableres); + dump_table("innodb_index_stats", "mysql", NULL, 0); + dump_table("innodb_table_stats", "mysql", NULL, 0); + } + opt_no_create_info= prev_no_create_info; + return 0; +} + + +/* + dump all system timezones +*/ + +static int dump_all_timezones() +{ + my_bool opt_prev_no_create_info; + if (mysql_select_db(mysql, "mysql")) + { + DB_error(mysql, "when selecting the database"); + return 1; /* If --force */ + } + opt_prev_no_create_info= opt_no_create_info; + opt_no_create_info= 1; + fprintf(md_result_file,"\nUSE mysql;\n"); + dump_table("time_zone", "mysql", NULL, 0); + dump_table("time_zone_name", "mysql", NULL, 0); + dump_table("time_zone_leap_second", "mysql", NULL, 0); + dump_table("time_zone_transition", "mysql", NULL, 0); + dump_table("time_zone_transition_type", "mysql", NULL, 0); + opt_no_create_info= opt_prev_no_create_info; + return 0; +} + + +/* dump all logfile groups and tablespaces */ @@ -6329,7 +6859,7 @@ int main(int argc, char **argv) dump_tablespaces_for_tables(*argv, (argv + 1), (argc - 1)); dump_selected_tables(*argv, (argv + 1), (argc - 1)); } - else + else if (argc > 0) { /* One or more databases, all tables */ if (!opt_alltspcs && !opt_notspcs) @@ -6338,6 +6868,25 @@ int main(int argc, char **argv) } } + if (opt_system & OPT_SYSTEM_PLUGINS) + dump_all_plugins(); + + if (opt_system & OPT_SYSTEM_USERS) + dump_all_users_roles_and_grants(); + + if (opt_system & OPT_SYSTEM_UDFS) + dump_all_udfs(); + + if (opt_system & OPT_SYSTEM_SERVERS) + dump_all_servers(); + + /* These must be last as they explictly change the current database to mysql */ + if (opt_system & OPT_SYSTEM_STATS) + dump_all_stats(); + + if (opt_system & OPT_SYSTEM_TIMEZONES) + dump_all_timezones(); + /* add 'START SLAVE' to end of dump */ if (opt_slave_apply && add_slave_statements()) goto err; diff --git a/cmake/Internal/CPack/CPackRPM.cmake b/cmake/Internal/CPack/CPackRPM.cmake index 2729667e319..92bcc6c6c25 100644 --- a/cmake/Internal/CPack/CPackRPM.cmake +++ b/cmake/Internal/CPack/CPackRPM.cmake @@ -26,26 +26,28 @@ set_from_component(VENDOR) # the scriptlet, if present, is appended (together with the %posttrans tag) # to the pre-uninstall scriptlet # -set(base_time "PRE") -set(base_type "UNINSTALL") -set(base_var CPACK_RPM_${CPACK_RPM_PACKAGE_COMPONENT}_${base_time}_${base_type}_SCRIPT_FILE) -set(acc) +if(CMAKE_VERSION VERSION_LESS 3.18) + set(base_time "PRE") + set(base_type "UNINSTALL") + set(base_var CPACK_RPM_${CPACK_RPM_PACKAGE_COMPONENT}_${base_time}_${base_type}_SCRIPT_FILE) + set(acc) -macro(read_one_file time_ type_ tag_) - set(var CPACK_RPM_${CPACK_RPM_PACKAGE_COMPONENT}_${time_}_${type_}_SCRIPT_FILE) - if (${var}) - file(READ ${${var}} content) - set(acc "${tag_}\n${content}\n\n${acc}") - endif() -endmacro() + macro(read_one_file time_ type_ tag_) + set(var CPACK_RPM_${CPACK_RPM_PACKAGE_COMPONENT}_${time_}_${type_}_SCRIPT_FILE) + if (${var}) + file(READ ${${var}} content) + set(acc "${tag_}\n${content}\n\n${acc}") + endif() + endmacro() -read_one_file("POST" "TRANS" "%posttrans") -if (acc) - set(orig_${base_var} ${${base_var}}) - read_one_file(${base_time} ${base_type} "") - set(${base_var} ${CPACK_TOPLEVEL_DIRECTORY}/SPECS/${CPACK_RPM_PACKAGE_COMPONENT}_${base_time}_${base_type}.scriptlet) - file(WRITE ${${base_var}} "${acc}") -endif() + read_one_file("POST" "TRANS" "%posttrans") + if (acc) + set(orig_${base_var} ${${base_var}}) + read_one_file(${base_time} ${base_type} "") + set(${base_var} ${CPACK_TOPLEVEL_DIRECTORY}/SPECS/${CPACK_RPM_PACKAGE_COMPONENT}_${base_time}_${base_type}.scriptlet) + file(WRITE ${${base_var}} "${acc}") + endif() +endif(CMAKE_VERSION VERSION_LESS 3.18) # load the original CPackRPM.cmake set(orig_CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH}) @@ -59,7 +61,9 @@ set(CMAKE_MODULE_PATH ${orig_CMAKE_MODULE_PATH}) restore(LICENSE) restore(VENDOR) -set(${base_var} ${orig_${base_var}}) +if(${orig_${base_var}}) + set(${base_var} ${orig_${base_var}}) +endif() # per-component cleanup foreach(_RPM_SPEC_HEADER URL REQUIRES SUGGESTS PROVIDES OBSOLETES PREFIX CONFLICTS AUTOPROV AUTOREQ AUTOREQPROV) diff --git a/include/my_sys.h b/include/my_sys.h index 70dc12cc28f..020f20926ff 100644 --- a/include/my_sys.h +++ b/include/my_sys.h @@ -539,8 +539,11 @@ static inline int my_b_write(IO_CACHE *info, const uchar *Buffer, size_t Count) MEM_CHECK_DEFINED(Buffer, Count); if (info->write_pos + Count <= info->write_end) { - memcpy(info->write_pos, Buffer, Count); - info->write_pos+= Count; + if (Count) + { + memcpy(info->write_pos, Buffer, Count); + info->write_pos+= Count; + } return 0; } return _my_b_write(info, Buffer, Count); diff --git a/libmariadb b/libmariadb -Subproject 62427520a5ba20e42fe51f5045062a7a9cadb46 +Subproject e38244220646a7e95c9be22576460aa7a4eb715 diff --git a/man/mysqldump.1 b/man/mysqldump.1 index 860fb678802..b437e635821 100644 --- a/man/mysqldump.1 +++ b/man/mysqldump.1 @@ -1,6 +1,6 @@ '\" t .\" -.TH "\FBMYSQLDUMP\FR" "1" "9 May 2017" "MariaDB 10\&.3" "MariaDB Database System" +.TH "\FBMYSQLDUMP\FR" "1" "24 October 2020" "MariaDB 10\&.3" "MariaDB Database System" .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- @@ -36,7 +36,7 @@ tables, consider using the instead because it can accomplish faster backups and faster restores\&. See \fBmysqlhotcopy\fR(1)\&. .PP -There are three general ways to invoke +There are four general ways to invoke \fBmysqldump\fR: .sp .if n \{\ @@ -46,6 +46,7 @@ There are three general ways to invoke shell> \fBmysqldump [\fR\fB\fIoptions\fR\fR\fB] \fR\fB\fIdb_name\fR\fR\fB [\fR\fB\fItbl_name\fR\fR\fB \&.\&.\&.]\fR shell> \fBmysqldump [\fR\fB\fIoptions\fR\fR\fB] \-\-databases \fR\fB\fIdb_name\fR\fR\fB \&.\&.\&.\fR shell> \fBmysqldump [\fR\fB\fIoptions\fR\fR\fB] \-\-all\-databases\fR +shell> \fBmysqldump [\fR\fB\fIoptions\fR\fR\fB] \-\-system={options}\fR .fi .if n \{\ .RE @@ -2192,6 +2193,110 @@ Verify server's "Common Name" in its cert against hostname used when connecting. .sp -1 .IP \(bu 2.3 .\} +.\" mysqladmin: Dump system tables option +.\" Dump system tables option: mysqladmin +\fB\-\-system=\fR\fB\fI{all, users, plugins, udfs, servers, stats, timezones}\fR\fR +.sp +Dump the system tables in the mysql database in a logical form\&. This option is an empty set by default\&. +.sp +One or more options can be listed in comma separated list\&. +.sp +The options here are: +.sp +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +all \- an alias to enabling all of the below options\&. +.RE +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +users \- the users, roles and their grants outputed as \fBCREATE USER\fB, \fBCREATE ROLE\fR, \fBGRANT\fR, and \fBSET DEFAULT ROLE\fR (\fBALTER USER\fR for MySQL-8.0+)\&. +.RE +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +plugins \- active plugins of the server outputed as \fBINSTALL PLUGIN\fR\&. +.RE +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +udfs \- user define functions outputed as \fBCREATE FUNCTION\fR\&. +.RE +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +servers \- remote (federated) servers as \fBCREATE SERVER\fR\&. +.RE +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +stats \- statistics tables, InnoDB and Engine Independent Table Statistics (EITS), are dumped as \fBINSERT\fR/\fBREPLACE INFO\fR statements without (re)creating tables\&. +.RE +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} +timezones \- timezone related system tables dumped as \fBINSERT\fR/\fBREPLACE INTO\fR statements without (re)creating tables\&. +.RE +.sp +The format of the output is affected by \fB\-\-replace\fR and \fB\-\-insert\-into\fR\&. The \fB\-\-replace\fR option will output \fBCREATE OR REPLACE\fR +forms of SQL, and also \fBDROP IF EXISTS\fR prior to \fBCREATE\fR, if a \fBCREATE OR REPLACE\fR option isn't available. +.sp +With \fB\-\-system=user\fR (or \fBall\fR), and \fB\-\-replace\fR, SQL is generated to generate an error if attempting to import the dump with a connection user that is being replaced within the dump\&. +.sp +The \fB\-\-insert\-into\fR option will cause \fBCREATE IF NOT EXIST\fR forms of SQL to generated if available. +.sp +For stats, and timezones, \fB\-\-replace\fR and \fB\-\-insert\-info\fR have the usual effects. +.sp +Enabling specific options here will cause the relevant tables in the mysql database to be ignored when dumping the mysql database or \fB\-\-all\-databases\fR\&. +.sp +Experimentally this option is designed to be able to dump system information from MySQL-5\&.7 and 8\&.0 servers\&. SQL generated is also +experimentally compatible with MySQL-5\&.7/8\&.0\&. Mappings of implemenation specific grants/plugins isn't always one-to-one however\&. +.sp +.RE +.RS 4 +.ie n \{\ +\h'-04'\(bu\h'+03'\c +.\} +.el \{\ +.sp -1 +.IP \(bu 2.3 +.\} .\" mysqldump: tab option .\" tab option: mysqldump \fB\-\-tab=\fR\fB\fIpath\fR\fR, @@ -2673,7 +2778,7 @@ If you encounter problems backing up views, please read the section that covers .SH "COPYRIGHT" .br .PP -Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc., 2010-2015 MariaDB Foundation +Copyright 2007-2008 MySQL AB, 2008-2010 Sun Microsystems, Inc., 2010-2020 MariaDB Foundation .PP This documentation is free software; you can redistribute it and/or modify it only under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. .PP @@ -2681,12 +2786,6 @@ This documentation is distributed in the hope that it will be useful, but WITHOU .PP You should have received a copy of the GNU General Public License along with the program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA or see http://www.gnu.org/licenses/. .sp -.SH "NOTES" -.IP " 1." 4 -Bug#30123 -.RS 4 -\%http://bugs.mysql.com/bug.php?id=30123 -.RE .SH "SEE ALSO" For more information, please refer to the MariaDB Knowledge Base, available online at https://mariadb.com/kb/ .SH AUTHOR diff --git a/mysql-test/main/mysqldump-system,win.rdiff b/mysql-test/main/mysqldump-system,win.rdiff new file mode 100644 index 00000000000..a6c1920dc6f --- /dev/null +++ b/mysql-test/main/mysqldump-system,win.rdiff @@ -0,0 +1,118 @@ +--- mysqldump-system.result ++++ mysqldump-system,win.result +@@ -7,8 +7,6 @@ + delete from mysql.user where host not in ('localhost'); + flush privileges; + create user USER; +-install plugin /*M!100401 IF NOT EXISTS */ unix_socket soname 'auth_socket.so';; +-alter user USER identified via unix_socket; + CREATE ROLE role_1; + CREATE ROLE role_2 WITH ADMIN role_1; + GRANT SHOW DATABASES ON *.* TO role_1; +@@ -48,9 +46,8 @@ + /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; + /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; + /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; +-INSTALL PLUGIN unix_socket SONAME 'auth_socket.so'; + CREATE USER `root`@`localhost`; +-CREATE USER `USER`@`%` IDENTIFIED VIA unix_socket; ++CREATE USER `USER`@`%`; + SELECT COALESCE(CURRENT_ROLE(),'NONE') into @current_role; + CREATE ROLE IF NOT EXISTS mariadb_dump_import_role; + GRANT mariadb_dump_import_role TO CURRENT_USER(); +@@ -68,7 +65,7 @@ + /*!80001 ALTER USER 'root'@'localhost' DEFAULT ROLE NONE */; + GRANT `role_1` TO `USER`@`%`; + GRANT `role_2` TO `USER`@`%`; +-GRANT USAGE ON *.* TO `USER`@`%` IDENTIFIED VIA unix_socket; ++GRANT USAGE ON *.* TO `USER`@`%`; + /*M!100005 SET DEFAULT ROLE 'role_2' FOR 'USER'@'%' */; + /*!80001 ALTER USER 'USER'@'%' DEFAULT ROLE 'role_2' */; + GRANT `role_2` TO `role_1` WITH ADMIN OPTION; +@@ -168,8 +165,6 @@ + /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; + /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; + /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; +-/*M!100401 UNINSTALL PLUGIN IF EXIST unix_socket */; +-INSTALL PLUGIN unix_socket SONAME 'auth_socket.so'; + DELIMITER | + /*M!100101 IF current_user()="'root'@'localhost'" THEN + SIGNAL SQLSTATE '45000' SET MYSQL_ERRNO=30001, MESSAGE_TEXT="Don't remove current user 'root'@'localhost''"; +@@ -183,7 +178,7 @@ + END IF */| + DELIMITER ; + /*!50701 DROP USER IF EXISTS 'USER'@'%' */; +-CREATE /*M!100103 OR REPLACE */ USER `USER`@`%` IDENTIFIED VIA unix_socket; ++CREATE /*M!100103 OR REPLACE */ USER `USER`@`%`; + SELECT COALESCE(CURRENT_ROLE(),'NONE') into @current_role; + CREATE ROLE IF NOT EXISTS mariadb_dump_import_role; + GRANT mariadb_dump_import_role TO CURRENT_USER(); +@@ -203,7 +198,7 @@ + /*!80001 ALTER USER 'root'@'localhost' DEFAULT ROLE NONE */; + GRANT `role_1` TO `USER`@`%`; + GRANT `role_2` TO `USER`@`%`; +-GRANT USAGE ON *.* TO `USER`@`%` IDENTIFIED VIA unix_socket; ++GRANT USAGE ON *.* TO `USER`@`%`; + /*M!100005 SET DEFAULT ROLE 'role_2' FOR 'USER'@'%' */; + /*!80001 ALTER USER 'USER'@'%' DEFAULT ROLE 'role_2' */; + GRANT `role_2` TO `role_1` WITH ADMIN OPTION; +@@ -304,9 +299,8 @@ + /*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; + /*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; + /*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; +-INSTALL PLUGIN unix_socket /*M!100401 IF NOT EXISTS */ SONAME 'auth_socket.so'; + CREATE USER IF NOT EXISTS `root`@`localhost`; +-CREATE USER IF NOT EXISTS `USER`@`%` IDENTIFIED VIA unix_socket; ++CREATE USER IF NOT EXISTS `USER`@`%`; + SELECT COALESCE(CURRENT_ROLE(),'NONE') into @current_role; + CREATE ROLE IF NOT EXISTS mariadb_dump_import_role; + GRANT mariadb_dump_import_role TO CURRENT_USER(); +@@ -324,7 +318,7 @@ + /*!80001 ALTER USER 'root'@'localhost' DEFAULT ROLE NONE */; + GRANT `role_1` TO `USER`@`%`; + GRANT `role_2` TO `USER`@`%`; +-GRANT USAGE ON *.* TO `USER`@`%` IDENTIFIED VIA unix_socket; ++GRANT USAGE ON *.* TO `USER`@`%`; + /*M!100005 SET DEFAULT ROLE 'role_2' FOR 'USER'@'%' */; + /*!80001 ALTER USER 'USER'@'%' DEFAULT ROLE 'role_2' */; + GRANT `role_2` TO `role_1` WITH ADMIN OPTION; +@@ -413,12 +407,12 @@ + CHECKSUM TABLE mysql.user, mysql.roles_mapping, mysql.time_zone_transition, mysql.plugin, + mysql.servers, mysql.func, mysql.innodb_table_stats, mysql.table_stats; + Table Checksum +-mysql.user 3159177919 ++mysql.user 3007943331 + mysql.roles_mapping 3150178430 + mysql.time_zone_transition 3895294076 +-mysql.plugin 1520695737 ++mysql.plugin 0 + mysql.servers 2783974349 +-mysql.func 3241572444 ++mysql.func 310494789 + mysql.innodb_table_stats 347867921 + mysql.table_stats 664320059 + # Opps.... +@@ -442,12 +436,12 @@ + CHECKSUM TABLE mysql.user, mysql.roles_mapping, mysql.time_zone_transition, mysql.plugin, + mysql.servers, mysql.func, mysql.innodb_table_stats, mysql.table_stats; + Table Checksum +-mysql.user 3159177919 ++mysql.user 3007943331 + mysql.roles_mapping 3150178430 + mysql.time_zone_transition 3895294076 +-mysql.plugin 1520695737 ++mysql.plugin 0 + mysql.servers 2783974349 +-mysql.func 3241572444 ++mysql.func 310494789 + mysql.innodb_table_stats 347867921 + mysql.table_stats 664320059 + DROP FUNCTION IF EXISTS metaphon; +@@ -461,7 +455,6 @@ + DROP ROLE role_2; + DROP ROLE role_1; + drop user USER; +-uninstall plugin unix_socket; + insert into mysql.user select * from backup_users; + flush privileges; + drop table backup_users; diff --git a/mysql-test/main/mysqldump-system.result b/mysql-test/main/mysqldump-system.result new file mode 100644 index 00000000000..a353972de4f --- /dev/null +++ b/mysql-test/main/mysqldump-system.result @@ -0,0 +1,467 @@ +# +# MDEV-23630: mysqldump to logically dump system tables +# +# +create table backup_users like mysql.user; +insert into backup_users select * from mysql.user where host not in ('localhost'); +delete from mysql.user where host not in ('localhost'); +flush privileges; +create user USER; +install plugin /*M!100401 IF NOT EXISTS */ unix_socket soname 'auth_socket.so';; +alter user USER identified via unix_socket; +CREATE ROLE role_1; +CREATE ROLE role_2 WITH ADMIN role_1; +GRANT SHOW DATABASES ON *.* TO role_1; +GRANT role_1 TO USER; +GRANT role_2 TO USER; +SET DEFAULT ROLE role_2 FOR USER; +ALTER TABLE mysql.roles_mapping ORDER BY Host, User, Role; +set @save_innodb_stats_persistent= @@innodb_stats_persistent; +create table mysql.tz like mysql.time_zone_transition; +alter table mysql.tz engine=innodb; +insert into mysql.tz select * from mysql.time_zone_transition; +set global innodb_stats_persistent=1; +ANALYZE TABLE mysql.tz PERSISTENT FOR ALL; +Table Op Msg_type Msg_text +mysql.tz analyze status Engine-independent statistics collected +mysql.tz analyze status OK +delete from mysql.index_stats where prefix_arity!=1; +delete from mysql.column_stats where column_name!='Time_zone_id'; +set time_zone="+03:00"; +update mysql.innodb_index_stats set last_update="2020-01-01" where database_name="mysql" and table_name="tz"; +update mysql.innodb_table_stats set last_update="2020-01-01" where database_name="mysql" and table_name="tz"; +set global innodb_stats_persistent= @save_innodb_stats_persistent; +alter table mysql.time_zone_name ORDER BY Name; +CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS(Host 'localhost'); +CREATE FUNCTION metaphon RETURNS STRING SONAME "UDF_EXAMPLE_LIB"; +# +# mysqldump of system tables with --system=all +# + +/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; +/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; +/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; +/*!40101 SET NAMES utf8mb4 */; +/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */; +/*!40103 SET TIME_ZONE='+00:00' */; +/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */; +/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; +/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; +/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; +INSTALL PLUGIN unix_socket SONAME 'auth_socket.so'; +CREATE USER `root`@`localhost`; +CREATE USER `USER`@`%` IDENTIFIED VIA unix_socket; +SELECT COALESCE(CURRENT_ROLE(),'NONE') into @current_role; +CREATE ROLE IF NOT EXISTS mariadb_dump_import_role; +GRANT mariadb_dump_import_role TO CURRENT_USER(); +SET ROLE mariadb_dump_import_role; +/*!80001 CREATE ROLE 'role_1' */; +/*M!100005 CREATE ROLE 'role_1' WITH ADMIN mariadb_dump_import_role */; +/*M!100005 GRANT 'role_1' TO 'root'@'localhost' WITH ADMIN OPTION */; +/*!80001 CREATE ROLE 'role_2' */; +/*M!100005 CREATE ROLE 'role_2' WITH ADMIN mariadb_dump_import_role */; +/*M!100005 GRANT 'role_2' TO 'role_1' WITH ADMIN OPTION */; +GRANT `role_1` TO `root`@`localhost` WITH ADMIN OPTION; +GRANT ALL PRIVILEGES ON *.* TO `root`@`localhost` WITH GRANT OPTION; +GRANT PROXY ON ''@'%' TO 'root'@'localhost' WITH GRANT OPTION; +/*M!100005 SET DEFAULT ROLE NONE FOR 'root'@'localhost' */; +/*!80001 ALTER USER 'root'@'localhost' DEFAULT ROLE NONE */; +GRANT `role_1` TO `USER`@`%`; +GRANT `role_2` TO `USER`@`%`; +GRANT USAGE ON *.* TO `USER`@`%` IDENTIFIED VIA unix_socket; +/*M!100005 SET DEFAULT ROLE 'role_2' FOR 'USER'@'%' */; +/*!80001 ALTER USER 'USER'@'%' DEFAULT ROLE 'role_2' */; +GRANT `role_2` TO `role_1` WITH ADMIN OPTION; +GRANT SHOW DATABASES ON *.* TO `role_1`; +GRANT USAGE ON *.* TO `role_2`; +GRANT USAGE ON *.* TO `role_2`; +SET ROLE NONE; +DROP ROLE mariadb_dump_import_role; +/*M!100203 EXECUTE IMMEDIATE CONCAT('SET ROLE ', @current_role) */; +CREATE FUNCTION metaphon RETURNS STRING SONAME 'UDF_EXAMPLE_LIB'; +CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS (Host 'localhost', Port 3306); + +USE mysql; + +LOCK TABLES `column_stats` WRITE; +/*!40000 ALTER TABLE `column_stats` DISABLE KEYS */; +INSERT INTO `column_stats` VALUES ('mysql','tz','Time_zone_id','1','5',0.0000,4.0000,98.2500,0,NULL,NULL); +/*!40000 ALTER TABLE `column_stats` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `index_stats` WRITE; +/*!40000 ALTER TABLE `index_stats` DISABLE KEYS */; +INSERT INTO `index_stats` VALUES ('mysql','tz','PRIMARY',1,98.2500); +/*!40000 ALTER TABLE `index_stats` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `table_stats` WRITE; +/*!40000 ALTER TABLE `table_stats` DISABLE KEYS */; +INSERT INTO `table_stats` VALUES ('mysql','tz',393); +/*!40000 ALTER TABLE `table_stats` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `innodb_index_stats` WRITE; +/*!40000 ALTER TABLE `innodb_index_stats` DISABLE KEYS */; +INSERT INTO `innodb_index_stats` VALUES ('mysql','tz','PRIMARY','2019-12-31 21:00:00','n_diff_pfx01',4,1,'Time_zone_id'),('mysql','tz','PRIMARY','2019-12-31 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SQL_MODE=@OLD_SQL_MODE */; +/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */; +/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */; +/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */; +/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */; +/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */; +/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */; + +# +# mysqldump of system tables with --system=all --replace +# + +/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; +/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; +/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; +/*!40101 SET NAMES utf8mb4 */; +/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */; +/*!40103 SET TIME_ZONE='+00:00' */; +/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */; +/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */; +/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */; +/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */; +/*M!100401 UNINSTALL PLUGIN IF EXIST unix_socket */; +INSTALL PLUGIN unix_socket SONAME 'auth_socket.so'; +DELIMITER | +/*M!100101 IF current_user()="'root'@'localhost'" THEN + SIGNAL SQLSTATE '45000' SET MYSQL_ERRNO=30001, MESSAGE_TEXT="Don't remove current user 'root'@'localhost''"; +END IF */| +DELIMITER ; +/*!50701 DROP USER IF EXISTS 'root'@'localhost' */; +CREATE /*M!100103 OR REPLACE */ USER `root`@`localhost`; +DELIMITER | +/*M!100101 IF current_user()="'USER'@'%'" THEN + SIGNAL SQLSTATE '45000' SET MYSQL_ERRNO=30001, MESSAGE_TEXT="Don't remove current user 'USER'@'%''"; +END IF */| +DELIMITER ; +/*!50701 DROP USER IF EXISTS 'USER'@'%' */; +CREATE /*M!100103 OR REPLACE */ USER `USER`@`%` IDENTIFIED VIA unix_socket; +SELECT COALESCE(CURRENT_ROLE(),'NONE') into @current_role; +CREATE ROLE IF NOT EXISTS mariadb_dump_import_role; +GRANT mariadb_dump_import_role TO CURRENT_USER(); +SET ROLE mariadb_dump_import_role; 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'role_2' */; +GRANT `role_2` TO `role_1` WITH ADMIN OPTION; +GRANT SHOW DATABASES ON *.* TO `role_1`; +GRANT USAGE ON *.* TO `role_2`; +GRANT USAGE ON *.* TO `role_2`; +SET ROLE NONE; +DROP ROLE mariadb_dump_import_role; +/*M!100203 EXECUTE IMMEDIATE CONCAT('SET ROLE ', @current_role) */; +/*!50701 DROP FUNCTION IF EXISTS metaphon */; +CREATE /*M!100103 OR REPLACE */ FUNCTION metaphon RETURNS STRING SONAME 'UDF_EXAMPLE_LIB'; +CREATE /*M!100103 OR REPLACE */ SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS (Host 'localhost', Port 3306); + +USE mysql; + +LOCK TABLES `column_stats` WRITE; +/*!40000 ALTER TABLE `column_stats` DISABLE KEYS */; +REPLACE INTO `column_stats` VALUES ('mysql','tz','Time_zone_id','1','5',0.0000,4.0000,98.2500,0,NULL,NULL); +/*!40000 ALTER TABLE `column_stats` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `index_stats` WRITE; +/*!40000 ALTER TABLE `index_stats` DISABLE KEYS */; +REPLACE INTO `index_stats` VALUES ('mysql','tz','PRIMARY',1,98.2500); +/*!40000 ALTER TABLE `index_stats` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `table_stats` WRITE; +/*!40000 ALTER TABLE `table_stats` DISABLE KEYS */; +REPLACE INTO `table_stats` VALUES ('mysql','tz',393); +/*!40000 ALTER TABLE `table_stats` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `innodb_index_stats` WRITE; +/*!40000 ALTER TABLE `innodb_index_stats` DISABLE KEYS */; +REPLACE INTO `innodb_index_stats` VALUES ('mysql','tz','PRIMARY','2019-12-31 21:00:00','n_diff_pfx01',4,1,'Time_zone_id'),('mysql','tz','PRIMARY','2019-12-31 21:00:00','n_diff_pfx02',393,1,'Time_zone_id,Transition_time'),('mysql','tz','PRIMARY','2019-12-31 21:00:00','n_leaf_pages',1,NULL,'Number of leaf pages in the index'),('mysql','tz','PRIMARY','2019-12-31 21:00:00','size',1,NULL,'Number of pages in the index'); +/*!40000 ALTER TABLE `innodb_index_stats` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `innodb_table_stats` WRITE; +/*!40000 ALTER TABLE `innodb_table_stats` DISABLE KEYS */; +REPLACE INTO `innodb_table_stats` VALUES ('mysql','tz','2019-12-31 21:00:00',393,1,0); +/*!40000 ALTER TABLE `innodb_table_stats` ENABLE KEYS */; +UNLOCK TABLES; + +USE mysql; + +LOCK TABLES `time_zone` WRITE; +/*!40000 ALTER TABLE `time_zone` DISABLE KEYS */; +REPLACE INTO `time_zone` VALUES (1,'N'),(2,'N'),(3,'N'),(4,'Y'),(5,'N'); +/*!40000 ALTER TABLE `time_zone` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `time_zone_name` WRITE; +/*!40000 ALTER TABLE `time_zone_name` DISABLE KEYS */; +REPLACE INTO `time_zone_name` VALUES ('Europe/Moscow',3),('Japan',5),('leap/Europe/Moscow',4),('MET',1),('Universal',2),('UTC',2); +/*!40000 ALTER TABLE `time_zone_name` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `time_zone_leap_second` WRITE; +/*!40000 ALTER TABLE `time_zone_leap_second` DISABLE KEYS */; +REPLACE INTO `time_zone_leap_second` VALUES 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ON ''@'%' TO 'root'@'localhost' WITH GRANT OPTION; +/*M!100005 SET DEFAULT ROLE NONE FOR 'root'@'localhost' */; +/*!80001 ALTER USER 'root'@'localhost' DEFAULT ROLE NONE */; +GRANT `role_1` TO `USER`@`%`; +GRANT `role_2` TO `USER`@`%`; +GRANT USAGE ON *.* TO `USER`@`%` IDENTIFIED VIA unix_socket; +/*M!100005 SET DEFAULT ROLE 'role_2' FOR 'USER'@'%' */; +/*!80001 ALTER USER 'USER'@'%' DEFAULT ROLE 'role_2' */; +GRANT `role_2` TO `role_1` WITH ADMIN OPTION; +GRANT SHOW DATABASES ON *.* TO `role_1`; +GRANT USAGE ON *.* TO `role_2`; +GRANT USAGE ON *.* TO `role_2`; +SET ROLE NONE; +DROP ROLE mariadb_dump_import_role; +/*M!100203 EXECUTE IMMEDIATE CONCAT('SET ROLE ', @current_role) */; +CREATE FUNCTION IF NOT EXISTS metaphon RETURNS STRING SONAME 'UDF_EXAMPLE_LIB'; +CREATE SERVER /*M!100103 IF NOT EXISTS */ s1 FOREIGN DATA WRAPPER mysql OPTIONS (Host 'localhost', Port 3306); + +USE mysql; + +LOCK TABLES `column_stats` WRITE; +/*!40000 ALTER TABLE `column_stats` DISABLE KEYS */; +INSERT 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21:00:00','n_leaf_pages',1,NULL,'Number of leaf pages in the index'),('mysql','tz','PRIMARY','2019-12-31 21:00:00','size',1,NULL,'Number of pages in the index'); +/*!40000 ALTER TABLE `innodb_index_stats` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `innodb_table_stats` WRITE; +/*!40000 ALTER TABLE `innodb_table_stats` DISABLE KEYS */; +INSERT IGNORE INTO `innodb_table_stats` VALUES ('mysql','tz','2019-12-31 21:00:00',393,1,0); +/*!40000 ALTER TABLE `innodb_table_stats` ENABLE KEYS */; +UNLOCK TABLES; + +USE mysql; + +LOCK TABLES `time_zone` WRITE; +/*!40000 ALTER TABLE `time_zone` DISABLE KEYS */; +INSERT IGNORE INTO `time_zone` VALUES (1,'N'),(2,'N'),(3,'N'),(4,'Y'),(5,'N'); +/*!40000 ALTER TABLE `time_zone` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `time_zone_name` WRITE; +/*!40000 ALTER TABLE `time_zone_name` DISABLE KEYS */; +INSERT IGNORE INTO `time_zone_name` VALUES ('Europe/Moscow',3),('Japan',5),('leap/Europe/Moscow',4),('MET',1),('Universal',2),('UTC',2); +/*!40000 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+/*!40000 ALTER TABLE `time_zone_transition` ENABLE KEYS */; +UNLOCK TABLES; + +LOCK TABLES `time_zone_transition_type` WRITE; +/*!40000 ALTER TABLE `time_zone_transition_type` DISABLE KEYS */; +INSERT IGNORE INTO `time_zone_transition_type` VALUES (1,0,7200,1,'MEST'),(1,1,3600,0,'MET'),(1,2,7200,1,'MEST'),(1,3,3600,0,'MET'),(2,0,0,0,'UTC'),(3,0,9000,0,'MMT'),(3,1,12648,1,'MST'),(3,2,9048,0,'MMT'),(3,3,16248,1,'MDST'),(3,4,10800,0,'MSK'),(3,5,14400,1,'MSD'),(3,6,18000,1,'MSD'),(3,7,7200,0,'EET'),(3,8,10800,0,'MSK'),(3,9,14400,1,'MSD'),(3,10,10800,1,'EEST'),(3,11,7200,0,'EET'),(4,0,9000,0,'MMT'),(4,1,12648,1,'MST'),(4,2,9048,0,'MMT'),(4,3,16248,1,'MDST'),(4,4,10800,0,'MSK'),(4,5,14400,1,'MSD'),(4,6,18000,1,'MSD'),(4,7,7200,0,'EET'),(4,8,10800,0,'MSK'),(4,9,14400,1,'MSD'),(4,10,10800,1,'EEST'),(4,11,7200,0,'EET'),(5,0,32400,0,'CJT'),(5,1,32400,0,'JST'); +/*!40000 ALTER TABLE `time_zone_transition_type` ENABLE KEYS */; +UNLOCK TABLES; +/*!40103 SET TIME_ZONE=@OLD_TIME_ZONE */; + +/*!40101 SET SQL_MODE=@OLD_SQL_MODE */; +/*!40014 SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS */; +/*!40014 SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS */; +/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */; +/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */; +/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */; +/*!40111 SET SQL_NOTES=@OLD_SQL_NOTES */; + +CHECKSUM TABLE mysql.user, mysql.roles_mapping, mysql.time_zone_transition, mysql.plugin, +mysql.servers, mysql.func, mysql.innodb_table_stats, mysql.table_stats; +Table Checksum +mysql.user 3159177919 +mysql.roles_mapping 3150178430 +mysql.time_zone_transition 3895294076 +mysql.plugin 1520695737 +mysql.servers 2783974349 +mysql.func 3241572444 +mysql.innodb_table_stats 347867921 +mysql.table_stats 664320059 +# Opps.... +CREATE USER mariadb_test_restore IDENTIFIED BY 'getitback'; +GRANT ALL ON *.* TO mariadb_test_restore WITH GRANT OPTION; +GRANT PROXY ON ''@'%' TO mariadb_test_restore WITH GRANT OPTION; +GRANT SUPER, CREATE USER /*M!100502 ,FEDERATED ADMIN */ ON *.* TO mariadb_test_restore WITH GRANT OPTION; +drop user USER; +delete from mysql.table_stats; +delete from mysql.innodb_table_stats; +delete from mysql.time_zone_transition; +delete from mysql.time_zone_transition_type; +delete from mysql.time_zone; +delete from mysql.time_zone_name; +delete from mysql.time_zone_leap_second; +DROP FUNCTION IF EXISTS metaphon; +DROP SERVER s1; +set time_zone= @@global.time_zone; +# Restore from mysqldump +DROP USER mariadb_test_restore; +CHECKSUM TABLE mysql.user, mysql.roles_mapping, mysql.time_zone_transition, mysql.plugin, +mysql.servers, mysql.func, mysql.innodb_table_stats, mysql.table_stats; +Table Checksum +mysql.user 3159177919 +mysql.roles_mapping 3150178430 +mysql.time_zone_transition 3895294076 +mysql.plugin 1520695737 +mysql.servers 2783974349 +mysql.func 3241572444 +mysql.innodb_table_stats 347867921 +mysql.table_stats 664320059 +DROP FUNCTION IF EXISTS metaphon; +DROP SERVER s1; +DELETE FROM mysql.column_stats WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos'); +DELETE FROM mysql.index_stats WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos'); +DELETE FROM mysql.table_stats WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos'); +DELETE FROM mysql.innodb_index_stats WHERE database_name='mysql' and table_name in ('tz','gtid_slave_pos'); +DELETE FROM mysql.innodb_table_stats WHERE database_name='mysql' and table_name in ('tz','gtid_slave_pos'); +drop table mysql.tz; +DROP ROLE role_2; +DROP ROLE role_1; +drop user USER; +uninstall plugin unix_socket; +insert into mysql.user select * from backup_users; +flush privileges; +drop table backup_users; diff --git a/mysql-test/main/mysqldump-system.test b/mysql-test/main/mysqldump-system.test new file mode 100644 index 00000000000..1fc0a45b3dc --- /dev/null +++ b/mysql-test/main/mysqldump-system.test @@ -0,0 +1,152 @@ +--source include/not_embedded.inc +--source include/have_innodb.inc +--source include/have_udf.inc +--source include/platform.inc + +--echo # +--echo # MDEV-23630: mysqldump to logically dump system tables +--echo # +--echo # + +# might need fixing in 10.4 to different mechanism +create table backup_users like mysql.user; +insert into backup_users select * from mysql.user where host not in ('localhost'); +delete from mysql.user where host not in ('localhost'); +flush privileges; + +create user USER; + +if (`SELECT CONVERT(@@VERSION_COMPILE_OS USING latin1) NOT IN ('Win32', 'Win64', 'Windows')`) +{ +--eval install plugin /*M!100401 IF NOT EXISTS */ unix_socket soname '$AUTH_SOCKET_SO'; +alter user USER identified via unix_socket; +} + +# time zone data already loaded + +CREATE ROLE role_1; +CREATE ROLE role_2 WITH ADMIN role_1; + +GRANT SHOW DATABASES ON *.* TO role_1; +GRANT role_1 TO USER; +GRANT role_2 TO USER; +SET DEFAULT ROLE role_2 FOR USER; + +ALTER TABLE mysql.roles_mapping ORDER BY Host, User, Role; + +# innodb and EITS tables statistics +# +set @save_innodb_stats_persistent= @@innodb_stats_persistent; +create table mysql.tz like mysql.time_zone_transition; +alter table mysql.tz engine=innodb; +insert into mysql.tz select * from mysql.time_zone_transition; +set global innodb_stats_persistent=1; +ANALYZE TABLE mysql.tz PERSISTENT FOR ALL; +# for predictable output in tests +delete from mysql.index_stats where prefix_arity!=1; +delete from mysql.column_stats where column_name!='Time_zone_id'; +set time_zone="+03:00"; +update mysql.innodb_index_stats set last_update="2020-01-01" where database_name="mysql" and table_name="tz"; +update mysql.innodb_table_stats set last_update="2020-01-01" where database_name="mysql" and table_name="tz"; +set global innodb_stats_persistent= @save_innodb_stats_persistent; +alter table mysql.time_zone_name ORDER BY Name; + +CREATE SERVER s1 FOREIGN DATA WRAPPER mysql OPTIONS(Host 'localhost'); + +--replace_result $UDF_EXAMPLE_SO UDF_EXAMPLE_LIB +eval CREATE FUNCTION metaphon RETURNS STRING SONAME "$UDF_EXAMPLE_SO"; + + +# +# Lets actually do some tests. +# + +--echo # +--echo # mysqldump of system tables with --system=all +--echo # + +--replace_result $UDF_EXAMPLE_SO UDF_EXAMPLE_LIB +--exec $MYSQL_DUMP --skip-comments --system=all + + +--echo # +--echo # mysqldump of system tables with --system=all --replace +--echo # + +--replace_result $UDF_EXAMPLE_SO UDF_EXAMPLE_LIB +--exec $MYSQL_DUMP --skip-comments --system=all --replace + + +# save this for restore +--exec $MYSQL_DUMP --system=users,servers,stats,timezones,udfs --replace > $MYSQLTEST_VARDIR/tmp/dump1.sql + +--echo # +--echo # mysqldump of system tables with --system=all --insert-ignore +--echo # + +--replace_result $UDF_EXAMPLE_SO UDF_EXAMPLE_LIB +--exec $MYSQL_DUMP --skip-comments --system=all --insert-ignore + + +CHECKSUM TABLE mysql.user, mysql.roles_mapping, mysql.time_zone_transition, mysql.plugin, + mysql.servers, mysql.func, mysql.innodb_table_stats, mysql.table_stats; + +--echo # Opps.... + +CREATE USER mariadb_test_restore IDENTIFIED BY 'getitback'; +GRANT ALL ON *.* TO mariadb_test_restore WITH GRANT OPTION; +GRANT PROXY ON ''@'%' TO mariadb_test_restore WITH GRANT OPTION; +GRANT SUPER, CREATE USER /*M!100502 ,FEDERATED ADMIN */ ON *.* TO mariadb_test_restore WITH GRANT OPTION; + +drop user USER; +delete from mysql.table_stats; +delete from mysql.innodb_table_stats; +delete from mysql.time_zone_transition; +delete from mysql.time_zone_transition_type; +delete from mysql.time_zone; +delete from mysql.time_zone_name; +delete from mysql.time_zone_leap_second; +DROP FUNCTION IF EXISTS metaphon; +DROP SERVER s1; +set time_zone= @@global.time_zone; + +--echo # Restore from mysqldump +--exec $MYSQL --user mariadb_test_restore --password=getitback --show-warnings < $MYSQLTEST_VARDIR/tmp/dump1.sql +#--remove_file $MYSQLTEST_VARDIR/tmp/dump1.sql; + +DROP USER mariadb_test_restore; + +# successful restore? + +CHECKSUM TABLE mysql.user, mysql.roles_mapping, mysql.time_zone_transition, mysql.plugin, + mysql.servers, mysql.func, mysql.innodb_table_stats, mysql.table_stats; + +# +# Cleanup +# + +DROP FUNCTION IF EXISTS metaphon; + +DROP SERVER s1; + +# EITS && innodb stats +DELETE FROM mysql.column_stats WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos'); +DELETE FROM mysql.index_stats WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos'); +DELETE FROM mysql.table_stats WHERE db_name='mysql' and table_name in ('tz', 'gtid_slave_pos'); +DELETE FROM mysql.innodb_index_stats WHERE database_name='mysql' and table_name in ('tz','gtid_slave_pos'); +DELETE FROM mysql.innodb_table_stats WHERE database_name='mysql' and table_name in ('tz','gtid_slave_pos'); +drop table mysql.tz; + +DROP ROLE role_2; +DROP ROLE role_1; + +drop user USER; + +if (`SELECT CONVERT(@@VERSION_COMPILE_OS USING latin1) NOT IN ('Win32', 'Win64', 'Windows')`) +{ +uninstall plugin unix_socket; +} + +insert into mysql.user select * from backup_users; +flush privileges; +drop table backup_users; diff --git a/mysql-test/main/mysqldump.result b/mysql-test/main/mysqldump.result index 622ef745859..15c9732e9dd 100644 --- a/mysql-test/main/mysqldump.result +++ b/mysql-test/main/mysqldump.result @@ -5420,8 +5420,9 @@ proc one DROP DATABASE bug25717383; Usage: mysqldump [OPTIONS] database [tables] -OR mysqldump [OPTIONS] --databases [OPTIONS] DB1 [DB2 DB3...] -OR mysqldump [OPTIONS] --all-databases [OPTIONS] +OR mysqldump [OPTIONS] --databases DB1 [DB2 DB3...] +OR mysqldump [OPTIONS] --all-databases +OR mysqldump [OPTIONS] --system=[SYSTEMOPTIONS]] For more options, use mysqldump --help # # MDEV-9001 - [PATCH] Fix DB name quoting in mysqldump --routine diff --git a/mysys/array.c b/mysys/array.c index 07abc460de7..e8b253a9e99 100644 --- a/mysys/array.c +++ b/mysys/array.c @@ -138,8 +138,9 @@ void *alloc_dynamic(DYNAMIC_ARRAY *array) array->size_of_element, MYF(array->malloc_flags | MY_WME)))) DBUG_RETURN(0); - memcpy(new_ptr, array->buffer, - array->elements * array->size_of_element); + if (array->elements) + memcpy(new_ptr, array->buffer, + array->elements * array->size_of_element); array->malloc_flags&= ~MY_INIT_BUFFER_USED; } else if (!(new_ptr=(char*) diff --git a/mysys/my_alloc.c b/mysys/my_alloc.c index 0263283221b..a7d4ec1c248 100644 --- a/mysys/my_alloc.c +++ b/mysys/my_alloc.c @@ -491,7 +491,7 @@ char *strmake_root(MEM_ROOT *root, const char *str, size_t len) void *memdup_root(MEM_ROOT *root, const void *str, size_t len) { char *pos; - if ((pos=alloc_root(root,len))) + if ((pos=alloc_root(root,len)) && len) memcpy(pos,str,len); return pos; } diff --git a/plugin/server_audit/server_audit.c b/plugin/server_audit/server_audit.c index 6badbbfedf7..bb80e7aa74b 100644 --- a/plugin/server_audit/server_audit.c +++ b/plugin/server_audit/server_audit.c @@ -708,6 +708,8 @@ static char *coll_search(struct user_coll *c, const char *n, size_t len) { struct user_name un; struct user_name *found; + if (!c->n_users) + return 0; un.name_len= len; un.name= (char *) n; found= (struct user_name*) bsearch(&un, c->users, c->n_users, @@ -738,7 +740,8 @@ static int coll_insert(struct user_coll *c, char *n, size_t len) static void coll_sort(struct user_coll *c) { - qsort(c->users, c->n_users, sizeof(c->users[0]), cmp_users); + if (c->n_users) + qsort(c->users, c->n_users, sizeof(c->users[0]), cmp_users); } @@ -969,7 +972,8 @@ static void get_str_n(char *dest, int *dest_len, size_t dest_size, if (src_len >= dest_size) src_len= dest_size - 1; - memcpy(dest, src, src_len); + if (src_len) + memcpy(dest, src, src_len); dest[src_len]= 0; *dest_len= (int)src_len; } diff --git a/sql/field.cc b/sql/field.cc index f100963903a..d721579104d 100644 --- a/sql/field.cc +++ b/sql/field.cc @@ -8560,7 +8560,10 @@ int Field_blob::cmp_binary(const uchar *a_ptr, const uchar *b_ptr, b_length=get_length(b_ptr); if (b_length > max_length) b_length=max_length; - diff=memcmp(a,b,MY_MIN(a_length,b_length)); + if (uint32 len= MY_MIN(a_length,b_length)) + diff= memcmp(a,b,len); + else + diff= 0; return diff ? diff : (int) (a_length - b_length); } @@ -8617,7 +8620,8 @@ uint Field_blob::get_key_image(uchar *buff,uint length, imagetype type_arg) length=(uint) blob_length; } int2store(buff,length); - memcpy(buff+HA_KEY_BLOB_LENGTH, blob, length); + if (length) + memcpy(buff+HA_KEY_BLOB_LENGTH, blob, length); return HA_KEY_BLOB_LENGTH+length; } diff --git a/sql/handler.h b/sql/handler.h index c3e62cc1997..eb06cf4e1dd 100644 --- a/sql/handler.h +++ b/sql/handler.h @@ -812,8 +812,10 @@ struct xid_t { void set(long f, const char *g, long gl, const char *b, long bl) { formatID= f; - memcpy(data, g, gtrid_length= gl); - memcpy(data+gl, b, bqual_length= bl); + if ((gtrid_length= gl)) + memcpy(data, g, gl); + if ((bqual_length= bl)) + memcpy(data+gl, b, bl); } void set(ulonglong xid) { diff --git a/sql/item_func.cc b/sql/item_func.cc index 0c22d4ce23c..a6d9ecc1d2f 100644 --- a/sql/item_func.cc +++ b/sql/item_func.cc @@ -4725,7 +4725,8 @@ update_hash(user_var_entry *entry, bool set_null, void *ptr, size_t length, length--; // Fix length change above entry->value[length]= 0; // Store end \0 } - memmove(entry->value, ptr, length); + if (length) + memmove(entry->value, ptr, length); if (type == DECIMAL_RESULT) ((my_decimal*)entry->value)->fix_buffer_pointer(); entry->length= length; diff --git a/sql/item_sum.cc b/sql/item_sum.cc index b276387e745..3bd18316fe0 100644 --- a/sql/item_sum.cc +++ b/sql/item_sum.cc @@ -1,5 +1,5 @@ /* Copyright (c) 2000, 2015, Oracle and/or its affiliates. - Copyright (c) 2008, 2015, MariaDB + Copyright (c) 2008, 2020, MariaDB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -472,7 +472,8 @@ Item_sum::Item_sum(THD *thd, Item_sum *item): if (!(orig_args= (Item**) thd->alloc(sizeof(Item*)*arg_count))) return; } - memcpy(orig_args, item->orig_args, sizeof(Item*)*arg_count); + if (arg_count) + memcpy(orig_args, item->orig_args, sizeof(Item*)*arg_count); init_aggregator(); with_distinct= item->with_distinct; if (item->aggr) @@ -1132,7 +1133,8 @@ Item_sum_num::fix_fields(THD *thd, Item **ref) check_sum_func(thd, ref)) return TRUE; - memcpy (orig_args, args, sizeof (Item *) * arg_count); + if (arg_count) + memcpy (orig_args, args, sizeof (Item *) * arg_count); fixed= 1; return FALSE; } @@ -1362,7 +1364,8 @@ Item_sum_sp::fix_fields(THD *thd, Item **ref) if (check_sum_func(thd, ref)) return TRUE; - memcpy(orig_args, args, sizeof(Item *) * arg_count); + if (arg_count) + memcpy(orig_args, args, sizeof(Item *) * arg_count); fixed= 1; return FALSE; } @@ -3770,7 +3773,8 @@ Item_func_group_concat(THD *thd, Name_resolution_context *context_arg, /* orig_args is only used for print() */ orig_args= (Item**) (order + arg_count_order); - memcpy(orig_args, args, sizeof(Item*) * arg_count); + if (arg_count) + memcpy(orig_args, args, sizeof(Item*) * arg_count); if (limit_clause) { row_limit= row_limit_arg; diff --git a/sql/lex_string.h b/sql/lex_string.h index a5209165be0..ddda73b2200 100644 --- a/sql/lex_string.h +++ b/sql/lex_string.h @@ -34,8 +34,8 @@ static inline bool lex_string_cmp(CHARSET_INFO *charset, const LEX_CSTRING *a, static inline bool cmp(const LEX_CSTRING *a, const LEX_CSTRING *b) { - return (a->length != b->length || - memcmp(a->str, b->str, a->length)); + return a->length != b->length || + (a->length && memcmp(a->str, b->str, a->length)); } /* diff --git a/sql/mf_iocache_encr.cc b/sql/mf_iocache_encr.cc index 072c0a48269..63830ec620a 100644 --- a/sql/mf_iocache_encr.cc +++ b/sql/mf_iocache_encr.cc @@ -1,5 +1,5 @@ /* - Copyright (c) 2015, MariaDB + Copyright (c) 2015, 2020, MariaDB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -85,7 +85,6 @@ static int my_b_encr_read(IO_CACHE *info, uchar *Buffer, size_t Count) do { - size_t copied; uint elength, wlength, length; uchar iv[MY_AES_BLOCK_SIZE]= {0}; @@ -116,11 +115,13 @@ static int my_b_encr_read(IO_CACHE *info, uchar *Buffer, size_t Count) DBUG_ASSERT(length <= info->buffer_length); - copied= MY_MIN(Count, (size_t)(length - pos_offset)); - - memcpy(Buffer, info->buffer + pos_offset, copied); - Count-= copied; - Buffer+= copied; + size_t copied= MY_MIN(Count, (size_t)(length - pos_offset)); + if (copied) + { + memcpy(Buffer, info->buffer + pos_offset, copied); + Count-= copied; + Buffer+= copied; + } info->read_pos= info->buffer + pos_offset + copied; info->read_end= info->buffer + length; diff --git a/sql/opt_range.cc b/sql/opt_range.cc index ec1f60314d3..73b1b88db31 100644 --- a/sql/opt_range.cc +++ b/sql/opt_range.cc @@ -14822,6 +14822,113 @@ static void print_ror_scans_arr(TABLE *table, const char *msg, DBUG_VOID_RETURN; } +static String dbug_print_sel_arg_buf; + +static void +print_sel_arg_key(Field *field, const uchar *key, String *out) +{ + TABLE *table= field->table; + my_bitmap_map *old_sets[2]; + dbug_tmp_use_all_columns(table, old_sets, table->read_set, table->write_set); + + if (field->real_maybe_null()) + { + if (*key) + { + out->append("NULL"); + goto end; + } + key++; // Skip null byte + } + + field->set_key_image(key, field->pack_length()); + + if (field->type() == MYSQL_TYPE_BIT) + (void) field->val_int_as_str(out, 1); + else + field->val_str(out); + +end: + dbug_tmp_restore_column_maps(table->read_set, table->write_set, old_sets); +} + + +/* + @brief + Produce a string representation of an individual SEL_ARG and return pointer + to it + + @detail + Intended usage: + + (gdb) p dbug_print_sel_arg(ptr) +*/ + +const char *dbug_print_sel_arg(SEL_ARG *sel_arg) +{ + StringBuffer<64> buf; + String &out= dbug_print_sel_arg_buf; + out.length(0); + + if (!sel_arg) + { + out.append("NULL"); + goto end; + } + + out.append("SEL_ARG("); + + const char *stype; + switch(sel_arg->type) { + case SEL_ARG::IMPOSSIBLE: + stype="IMPOSSIBLE"; + break; + case SEL_ARG::MAYBE: + stype="MAYBE"; + break; + case SEL_ARG::MAYBE_KEY: + stype="MAYBE_KEY"; + break; + case SEL_ARG::KEY_RANGE: + default: + stype=nullptr; + } + + if (stype) + { + out.append("type="); + out.append(stype); + goto end; + } + + if (sel_arg->min_flag & NO_MIN_RANGE) + out.append("-inf"); + else + { + print_sel_arg_key(sel_arg->field, sel_arg->min_value, &buf); + out.append(buf); + } + + out.append((sel_arg->min_flag & NEAR_MIN)? "<" : "<="); + + out.append(sel_arg->field->field_name); + + out.append((sel_arg->max_flag & NEAR_MAX)? "<" : "<="); + + if (sel_arg->max_flag & NO_MAX_RANGE) + out.append("+inf"); + else + { + print_sel_arg_key(sel_arg->field, sel_arg->max_value, &buf); + out.append(buf); + } + + out.append(")"); + +end: + return dbug_print_sel_arg_buf.c_ptr_safe(); +} + /***************************************************************************** ** Print a quick range for debugging diff --git a/sql/opt_split.cc b/sql/opt_split.cc index c70fac49930..6807a623b73 100644 --- a/sql/opt_split.cc +++ b/sql/opt_split.cc @@ -1,5 +1,5 @@ /* - Copyright (c) 2017 MariaDB + Copyright (c) 2017, 2020, MariaDB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -751,13 +751,13 @@ void JOIN::add_keyuses_for_splitting() added_keyuse_count)) goto err; - memcpy(keyuse.buffer, - save_qep->keyuse.buffer, - (size_t) save_qep->keyuse.elements * keyuse.size_of_element); - keyuse.elements= save_qep->keyuse.elements; + idx= keyuse.elements= save_qep->keyuse.elements; + if (keyuse.elements) + memcpy(keyuse.buffer, + save_qep->keyuse.buffer, + (size_t) keyuse.elements * keyuse.size_of_element); keyuse_ext= &ext_keyuses_for_splitting->at(0); - idx= save_qep->keyuse.elements; for (i=0; i < added_keyuse_count; i++, keyuse_ext++, idx++) { set_dynamic(&keyuse, (KEYUSE *) keyuse_ext, idx); diff --git a/sql/sql_class.cc b/sql/sql_class.cc index 0c0a1ec98ae..869ce72f861 100644 --- a/sql/sql_class.cc +++ b/sql/sql_class.cc @@ -4802,7 +4802,8 @@ extern "C" size_t thd_query_safe(MYSQL_THD thd, char *buf, size_t buflen) if (!mysql_mutex_trylock(&thd->LOCK_thd_data)) { len= MY_MIN(buflen - 1, thd->query_length()); - memcpy(buf, thd->query(), len); + if (len) + memcpy(buf, thd->query(), len); mysql_mutex_unlock(&thd->LOCK_thd_data); } buf[len]= '\0'; diff --git a/sql/sql_join_cache.cc b/sql/sql_join_cache.cc index 3a509b3d750..b8b4d491b84 100644 --- a/sql/sql_join_cache.cc +++ b/sql/sql_join_cache.cc @@ -1396,7 +1396,8 @@ uint JOIN_CACHE::write_record_data(uchar * link, bool *is_full) blob_field->get_image(cp, copy->length, blob_field->charset()); DBUG_ASSERT(cp + copy->length + copy->blob_length <= buff + buff_size); - memcpy(cp+copy->length, copy->str, copy->blob_length); + if (copy->blob_length) + memcpy(cp+copy->length, copy->str, copy->blob_length); cp+= copy->length+copy->blob_length; } break; diff --git a/sql/sql_select.cc b/sql/sql_select.cc index 37755387dda..7580dc0f2c6 100644 --- a/sql/sql_select.cc +++ b/sql/sql_select.cc @@ -27011,10 +27011,10 @@ JOIN::reoptimize(Item *added_where, table_map join_tables, if (save_to) { DBUG_ASSERT(!keyuse.elements); - memcpy(keyuse.buffer, - save_to->keyuse.buffer, - (size_t) save_to->keyuse.elements * keyuse.size_of_element); keyuse.elements= save_to->keyuse.elements; + if (size_t e= keyuse.elements) + memcpy(keyuse.buffer, + save_to->keyuse.buffer, e * keyuse.size_of_element); } /* Add the new access methods to the keyuse array. */ diff --git a/sql/sql_string.cc b/sql/sql_string.cc index a5d1f62688d..2b40a72edf3 100644 --- a/sql/sql_string.cc +++ b/sql/sql_string.cc @@ -1,5 +1,5 @@ /* Copyright (c) 2000, 2013, Oracle and/or its affiliates. - Copyright (c) 2016, MariaDB + Copyright (c) 2016, 2020, MariaDB This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -229,8 +229,8 @@ bool String::copy(const String &str) { if (alloc(str.str_length)) return TRUE; - str_length=str.str_length; - bmove(Ptr,str.Ptr,str_length); // May be overlapping + if ((str_length=str.str_length)) + bmove(Ptr,str.Ptr,str_length); // May be overlapping Ptr[str_length]=0; str_charset=str.str_charset; return FALSE; @@ -593,8 +593,11 @@ bool String::append_ulonglong(ulonglong val) bool String::append(const char *s, size_t arg_length, CHARSET_INFO *cs) { + if (!arg_length) + return false; + uint32 offset; - + if (needs_conversion((uint32)arg_length, cs, str_charset, &offset)) { size_t add_length; diff --git a/sql/table.h b/sql/table.h index c7e7a39b46f..1247840c605 100644 --- a/sql/table.h +++ b/sql/table.h @@ -3137,7 +3137,8 @@ inline void mark_as_null_row(TABLE *table) { table->null_row=1; table->status|=STATUS_NULL_ROW; - bfill(table->null_flags,table->s->null_bytes,255); + if (table->s->null_bytes) + bfill(table->null_flags,table->s->null_bytes,255); } bool is_simple_order(ORDER *order); diff --git a/sql/unireg.cc b/sql/unireg.cc index cccb09a9fb9..3e5403ab878 100644 --- a/sql/unireg.cc +++ b/sql/unireg.cc @@ -1009,8 +1009,11 @@ static bool pack_fields(uchar **buff_arg, List<Create_field> &create_fields, it.rewind(); while ((field=it++)) { - memcpy(buff, field->comment.str, field->comment.length); - buff+= field->comment.length; + if (size_t l= field->comment.length) + { + memcpy(buff, field->comment.str, l); + buff+= l; + } } } *buff_arg= buff; diff --git a/sql/unireg.h b/sql/unireg.h index bfd9a4c393b..e9c62334e86 100644 --- a/sql/unireg.h +++ b/sql/unireg.h @@ -81,7 +81,8 @@ #define cmp_record(A,B) memcmp((A)->record[0],(A)->B,(size_t) (A)->s->reclength) #define empty_record(A) { \ restore_record((A),s->default_values); \ - bfill((A)->null_flags,(A)->s->null_bytes,255);\ + if ((A)->s->null_bytes) \ + bfill((A)->null_flags,(A)->s->null_bytes,255); \ } /* Defines for use with openfrm, openprt and openfrd */ diff --git a/storage/myisam/mi_key.c b/storage/myisam/mi_key.c index c18b832be0f..64eedde5f6d 100644 --- a/storage/myisam/mi_key.c +++ b/storage/myisam/mi_key.c @@ -144,8 +144,11 @@ uint _mi_make_key(register MI_INFO *info, uint keynr, uchar *key, set_if_smaller(length,tmp_length); FIX_LENGTH(cs, pos, length, char_length); store_key_length_inc(key,char_length); - memcpy(key, pos, char_length); - key+= char_length; + if (char_length) + { + memcpy(key, pos, char_length); + key+= char_length; + } continue; } else if (keyseg->flag & HA_SWAP_KEY) diff --git a/storage/perfschema/pfs_setup_object.cc b/storage/perfschema/pfs_setup_object.cc index f33030e927f..8da9fccc65f 100644 --- a/storage/perfschema/pfs_setup_object.cc +++ b/storage/perfschema/pfs_setup_object.cc @@ -144,12 +144,18 @@ static void set_setup_object_key(PFS_setup_object_key *key, char *ptr= &key->m_hash_key[0]; ptr[0]= (char) object_type; ptr++; - memcpy(ptr, schema, schema_length); - ptr+= schema_length; + if (schema_length) + { + memcpy(ptr, schema, schema_length); + ptr+= schema_length; + } ptr[0]= 0; ptr++; - memcpy(ptr, object, object_length); - ptr+= object_length; + if (object_length) + { + memcpy(ptr, object, object_length); + ptr+= object_length; + } ptr[0]= 0; ptr++; key->m_key_length= (uint)(ptr - &key->m_hash_key[0]); diff --git a/strings/ctype-bin.c b/strings/ctype-bin.c index e4bd6d2b5c2..c052e427322 100644 --- a/strings/ctype-bin.c +++ b/strings/ctype-bin.c @@ -1,6 +1,6 @@ /* Copyright (c) 2002-2007 MySQL AB & tommy@valley.ne.jp Copyright (c) 2002, 2014, Oracle and/or its affiliates. - Copyright (c) 2009, 2014, SkySQL Ab. + Copyright (c) 2009, 2020, MariaDB Corporation. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public @@ -399,7 +399,7 @@ my_strnxfrm_8bit_bin(CHARSET_INFO *cs, { set_if_smaller(srclen, dstlen); set_if_smaller(srclen, nweights); - if (dst != src) + if (srclen && dst != src) memcpy(dst, src, srclen); return my_strxfrm_pad_desc_and_reverse(cs, dst, dst + srclen, dst + dstlen, (uint)(nweights - srclen), flags, 0); diff --git a/strings/ctype-tis620.c b/strings/ctype-tis620.c index cbf50c638fd..afc5771d6c5 100644 --- a/strings/ctype-tis620.c +++ b/strings/ctype-tis620.c @@ -553,9 +553,11 @@ int my_strnncollsp_tis620(CHARSET_INFO * cs __attribute__((unused)), alloced= a= (uchar*) my_malloc(a_length+b_length+2, MYF(MY_FAE)); b= a + a_length+1; - memcpy((char*) a, (char*) a0, a_length); + if (a_length) + memcpy((char*) a, (char*) a0, a_length); a[a_length]= 0; /* if length(a0)> len1, need to put 'end of string' */ - memcpy((char *)b, (char *)b0, b_length); + if (b_length) + memcpy((char *)b, (char *)b0, b_length); b[b_length]= 0; /* put end of string */ a_length= thai2sortable(a, a_length); b_length= thai2sortable(b, b_length); |