1 /***************************************************************************** 2 3 Copyright (c) 1996, 2018, Oracle and/or its affiliates. All Rights Reserved. 4 5 This program is free software; you can redistribute it and/or modify it under 6 the terms of the GNU General Public License, version 2.0, as published by the 7 Free Software Foundation. 8 9 This program is also distributed with certain software (including but not 10 limited to OpenSSL) that is licensed under separate terms, as designated in a 11 particular file or component or in included license documentation. The authors 12 of MySQL hereby grant you an additional permission to link the program and 13 your derivative works with the separately licensed software that they have 14 included with MySQL. 15 16 This program is distributed in the hope that it will be useful, but WITHOUT 17 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 18 FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0, 19 for more details. 20 21 You should have received a copy of the GNU General Public License along with 22 this program; if not, write to the Free Software Foundation, Inc., 23 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 24 25 *****************************************************************************/ 26 27 #include "my_inttypes.h" 28 29 class THD; 30 struct TABLE; 31 32 /* This is used only during upgrade. We don't use ids 33 from DICT_HDR during upgrade because unlike bootstrap case, 34 the ids are moved after user table creation. Since we 35 want to create dictionary tables with fixed ids, we use 36 in-memory counter for upgrade */ 37 extern uint32_t dd_upgrade_indexes_num; 38 39 namespace dd { 40 class Table; 41 class Tablespace; 42 } // namespace dd 43 44 /** Migrate table from InnoDB Dictionary (INNODB SYS_*) tables to new Data 45 Dictionary. Since FTS tables contain table_id in their physical file name 46 and during upgrade we reserve DICT_MAX_DD_TABLES for dictionary tables. 47 So we rename FTS tablespace files 48 @param[in] thd Server thread object 49 @param[in] db_name database name 50 @param[in] table_name table name 51 @param[in,out] dd_table new dictionary table object to be filled 52 @param[in] srv_table server table object 53 @return false on success, true on failure. */ 54 bool dd_upgrade_table(THD *thd, const char *db_name, const char *table_name, 55 dd::Table *dd_table, TABLE *srv_table); 56 57 /** Migrate tablespace entries from InnoDB SYS_TABLESPACES to new data 58 dictionary. FTS Tablespaces are not registered as they are handled differently. 59 FTS tablespaces have table_id in their name and we increment table_id of each 60 table by DICT_MAX_DD_TABLES 61 @param[in,out] thd THD 62 @return MySQL error code*/ 63 int dd_upgrade_tablespace(THD *thd); 64 65 /** Add server and space version number to tablespace while upgrading. 66 @param[in] space_id space id of tablespace 67 @param[in] server_version_only leave space version unchanged 68 @return false on success, true on failure. */ 69 bool upgrade_space_version(const uint32 space_id, bool server_version_only); 70 71 /** Add server version number to tablespace while upgrading. 72 @param[in] tablespace dd::Tablespace 73 @return false on success, true on failure. */ 74 bool upgrade_space_version(dd::Tablespace *tablespace); 75 76 /** Upgrade innodb undo logs after upgrade. Also increment the table_id 77 offset by DICT_MAX_DD_TABLES. This offset increment is because the 78 first 256 table_ids are reserved for dictionary 79 @param[in,out] thd THD 80 @return MySQL error code*/ 81 int dd_upgrade_logs(THD *thd); 82 83 /** If upgrade is successful, this API is used to flush innodb 84 dirty pages to disk. In case of server crash, this function 85 sets storage engine for rollback any changes. 86 @param[in,out] thd THD 87 @param[in] failed_upgrade true when upgrade failed 88 @return MySQL error code*/ 89 int dd_upgrade_finish(THD *thd, bool failed_upgrade); 90