BACKUP TABLE TO 'directory' (44455063) · Commits · Software / OSDI20 Artifacts / mariadb

include/mysql_com.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -46,7 +46,7 @@ enum enum_server_command {COM_SLEEP,COM_QUIT,COM_INIT_DB,COM_QUERY,
		COM_PROCESS_INFO,COM_CONNECT,COM_PROCESS_KILL,
		COM_DEBUG,COM_PING,COM_TIME,COM_DELAYED_INSERT,
		COM_CHANGE_USER, COM_BINLOG_DUMP,
		COM_TABLE_DUMP};
		COM_TABLE_DUMP, COM_CONNECT_OUT};

		#define NOT_NULL_FLAG 1 /* Field can't be NULL */
		#define PRI_KEY_FLAG 2 /* Field is part of a primary key */

sql/ha_myisam.cc

+80 −0

Original line number	Diff line number	Diff line
		@@ -328,6 +328,86 @@ int ha_myisam::analyze(THD thd, HA_CHECK_OPT check_opt)
		return error ? HA_ADMIN_CORRUPT : HA_ADMIN_OK;
		}

		int ha_myisam::restore(THD* thd, HA_CHECK_OPT *check_opt)
		{
		HA_CHECK_OPT tmp_check_opt;
		char* backup_dir = thd->lex.backup_dir;
		char src_path[FN_REFLEN], dst_path[FN_REFLEN];
		int backup_dir_len = strlen(backup_dir);
		char* table_name = table->real_name;
		int table_name_len = strlen(table_name);
		if(backup_dir_len + table_name_len + 4 >= FN_REFLEN)
		return HA_ADMIN_INVALID;
		memcpy(src_path, backup_dir, backup_dir_len);
		char* p = src_path + backup_dir_len;
		*p++ = '/';
		memcpy(p, table_name, table_name_len);
		p += table_name_len;
		*p = 0;
		fn_format(src_path, src_path, "", MI_NAME_DEXT, 4);

		MY_STAT stat_area;
		int error = 0;
		char* errmsg = "";


		if(my_copy(src_path, fn_format(dst_path, table->path, "",
		MI_NAME_DEXT, 4), MYF(MY_WME)))
		{
		error = HA_ADMIN_FAILED;
		errmsg = "failed in my_copy( Error %d)";
		goto err;
		}

		tmp_check_opt.init();
		tmp_check_opt.quick = 1;
		return repair(thd, &tmp_check_opt);

		err:
		{
		MI_CHECK param;
		myisamchk_init(&param);
		param.thd = thd;
		param.op_name = (char*)"restore";
		param.table_name = table->table_name;
		param.testflag = 0;
		mi_check_print_error(&param,errmsg, errno );
		return error;
		}
		}

		int ha_myisam::backup(THD* thd, HA_CHECK_OPT *check_opt)
		{
		char* backup_dir = thd->lex.backup_dir;
		char src_path[FN_REFLEN], dst_path[FN_REFLEN];
		int backup_dir_len = strlen(backup_dir);
		char* table_name = table->real_name;
		int table_name_len = strlen(table_name);
		if(backup_dir_len + table_name_len + 4 >= FN_REFLEN)
		return HA_ADMIN_INVALID;
		memcpy(dst_path, backup_dir, backup_dir_len);
		char* p = dst_path + backup_dir_len;
		*p++ = '/';
		memcpy(p, table_name, table_name_len);
		p += table_name_len;
		*p = 0;
		if(my_copy(fn_format(src_path, table->path,"", reg_ext, 4),
		fn_format(dst_path, dst_path, "", reg_ext, 4),
		MYF(MY_WME \| MY_HOLD_ORIGINAL_MODES )))
		{
		return HA_ADMIN_FAILED;
		}

		*p = 0;
		*(fn_ext(src_path)) = 0;
		if(my_copy(fn_format(src_path, src_path,"", MI_NAME_DEXT, 4),
		fn_format(dst_path, dst_path, "", MI_NAME_DEXT, 4),
		MYF(MY_WME \| MY_HOLD_ORIGINAL_MODES )) )
		return HA_ADMIN_FAILED;

		return HA_ADMIN_OK;
		}


		int ha_myisam::repair(THD* thd, HA_CHECK_OPT *check_opt)
		{

sql/ha_myisam.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -96,6 +96,8 @@ class ha_myisam: public handler
		int analyze(THD* thd,HA_CHECK_OPT* check_opt);
		int repair(THD* thd, HA_CHECK_OPT* check_opt);
		int optimize(THD* thd, HA_CHECK_OPT* check_opt);
		int restore(THD* thd, HA_CHECK_OPT* check_opt);
		int backup(THD* thd, HA_CHECK_OPT* check_opt);
		int dump(THD* thd, int fd);
		int net_read_dump(NET* net);
		};

sql/handler.cc

+10 −0

Original line number	Diff line number	Diff line
		@@ -337,6 +337,16 @@ int handler::check(THD* thd, HA_CHECK_OPT* check_opt)
		return HA_ADMIN_NOT_IMPLEMENTED;
		}

		int handler::backup(THD* thd, HA_CHECK_OPT* check_opt)
		{
		return HA_ADMIN_NOT_IMPLEMENTED;
		}

		int handler::restore(THD* thd, HA_CHECK_OPT* check_opt)
		{
		return HA_ADMIN_NOT_IMPLEMENTED;
		}

		int handler::repair(THD* thd, HA_CHECK_OPT* check_opt)
		{
		return HA_ADMIN_NOT_IMPLEMENTED;

sql/handler.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@
		#define HA_ADMIN_FAILED -2
		#define HA_ADMIN_CORRUPT -3
		#define HA_ADMIN_INTERNAL_ERROR -4
		#define HA_ADMIN_INVALID -5

		/* Bits in bas_flag to show what database can do */

		@@ -248,6 +249,8 @@ class handler :public Sql_alloc
		virtual int repair(THD* thd, HA_CHECK_OPT* check_opt);
		virtual int optimize(THD* thd,HA_CHECK_OPT* check_opt);
		virtual int analyze(THD* thd, HA_CHECK_OPT* check_opt);
		virtual int backup(THD* thd, HA_CHECK_OPT* check_opt);
		virtual int restore(THD* thd, HA_CHECK_OPT* check_opt);
		virtual int dump(THD* thd, int fd = -1) { return ER_DUMP_NOT_IMPLEMENTED; }
		virtual void deactivate_non_unique_index(ha_rows rows) {}
		virtual bool activate_all_index(THD *thd) {return 0;}