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Diffstat (limited to 'scripts/mysql_system_tables_fix.sql')
| -rw-r--r-- | scripts/mysql_system_tables_fix.sql | 861 |
1 files changed, 861 insertions, 0 deletions
diff --git a/scripts/mysql_system_tables_fix.sql b/scripts/mysql_system_tables_fix.sql new file mode 100644 index 00000000..2b4a678d --- /dev/null +++ b/scripts/mysql_system_tables_fix.sql @@ -0,0 +1,861 @@ +-- Copyright (C) 2003, 2013 Oracle and/or its affiliates. +-- Copyright (C) 2010, 2023, MariaDB Corporation +-- +-- This program is free software; you can redistribute it and/or modify +-- it under the terms of the GNU General Public License as published by +-- the Free Software Foundation; version 2 of the License. +-- +-- This program is distributed in the hope that it will be useful, +-- but WITHOUT ANY WARRANTY; without even the implied warranty of +-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +-- GNU General Public License for more details. +-- +-- You should have received a copy of the GNU General Public License +-- along with this program; if not, write to the Free Software +-- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA + +# This part converts any old privilege tables to privilege tables suitable +# for current version of MariaDB + +# You can safely ignore all 'Duplicate column' and 'Unknown column' errors +# because these just mean that your tables are already up to date. +# This script is safe to run even if your tables are already up to date! + +# Warning message(s) produced for a statement can be printed by explicitly +# adding a 'SHOW WARNINGS' after the statement. + +set sql_mode=''; +set sql_safe_updates='OFF'; +set default_storage_engine=Aria; +set enforce_storage_engine=NULL; +set alter_algorithm='DEFAULT'; +set use_stat_tables='NEVER'; + + +-- +-- Upgrade mysql.column_stats table early because its quite noisy otherwise +-- + +ALTER TABLE column_stats + modify min_value varbinary(255) DEFAULT NULL, + modify max_value varbinary(255) DEFAULT NULL, + modify hist_type enum('SINGLE_PREC_HB','DOUBLE_PREC_HB','JSON_HB'), + modify histogram longblob, + ENGINE=Aria transactional=0; + +set @have_innodb= (select count(engine) from information_schema.engines where engine='INNODB' and support != 'NO'); + +# MDEV-21873: 10.2 to 10.3 upgrade doesn't remove semi-sync reference from +# mysql.plugin table. +# As per suggested fix, check INFORMATION_SCHEMA.PLUGINS +# and if semisync plugins aren't there, delete them from mysql.plugin. +DELETE FROM mysql.plugin WHERE name="rpl_semi_sync_master" AND NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME="rpl_semi_sync_master"); +DELETE FROM mysql.plugin WHERE name="rpl_semi_sync_slave" AND NOT EXISTS (SELECT * FROM INFORMATION_SCHEMA.PLUGINS WHERE PLUGIN_NAME="rpl_semi_sync_slave"); + +-- +-- Ensure that all tables are of type Aria and transactional +-- + +ALTER TABLE user ENGINE=Aria transactional=1; +ALTER TABLE db ENGINE=Aria transactional=1; +ALTER TABLE func ENGINE=Aria transactional=1; +ALTER TABLE procs_priv ENGINE=Aria transactional=1; +ALTER TABLE tables_priv ENGINE=Aria transactional=1; +ALTER TABLE columns_priv ENGINE=Aria transactional=1; +ALTER TABLE roles_mapping ENGINE=Aria transactional=1; +ALTER TABLE plugin ENGINE=Aria transactional=1; +ALTER TABLE servers ENGINE=Aria transactional=1; +ALTER TABLE time_zone_name ENGINE=Aria transactional=1; +ALTER TABLE time_zone ENGINE=Aria transactional=1; +ALTER TABLE time_zone_transition ENGINE=Aria transactional=1; +ALTER TABLE time_zone_transition_type ENGINE=Aria transactional=1; +ALTER TABLE time_zone_leap_second ENGINE=Aria transactional=1; +ALTER TABLE proc ENGINE=Aria transactional=1; +ALTER TABLE event ENGINE=Aria transactional=1; +ALTER TABLE proxies_priv ENGINE=Aria transactional=1; + +-- The following tables doesn't have to be transactional +ALTER TABLE help_topic ENGINE=Aria transactional=0; +ALTER TABLE help_category ENGINE=Aria transactional=0; +ALTER TABLE help_relation ENGINE=Aria transactional=0; +ALTER TABLE help_keyword ENGINE=Aria transactional=0; +ALTER TABLE table_stats ENGINE=Aria transactional=0; +ALTER TABLE index_stats ENGINE=Aria transactional=0; + +ALTER TABLE user add File_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL; + +# Detect whether or not we had the Grant_priv column +SET @hadGrantPriv:=0; +SELECT @hadGrantPriv:=1 FROM user WHERE Grant_priv IS NOT NULL; + +ALTER TABLE user add Grant_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + add References_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + add Index_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + add Alter_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL; +ALTER TABLE db add Grant_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + add References_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + add Index_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + add Alter_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL; + +# Fix privileges for old tables +UPDATE user SET Grant_priv=File_priv,References_priv=Create_priv,Index_priv=Create_priv,Alter_priv=Create_priv WHERE @hadGrantPriv = 0; +UPDATE db SET References_priv=Create_priv,Index_priv=Create_priv,Alter_priv=Create_priv WHERE @hadGrantPriv = 0; +# +# The second alter changes ssl_type to new 4.0.2 format +# Adding columns needed by GRANT .. REQUIRE (openssl) + +ALTER TABLE user +ADD ssl_type enum('','ANY','X509', 'SPECIFIED') DEFAULT '' NOT NULL, +ADD ssl_cipher BLOB NOT NULL, +ADD x509_issuer BLOB NOT NULL, +ADD x509_subject BLOB NOT NULL; +ALTER TABLE user MODIFY ssl_type enum('','ANY','X509', 'SPECIFIED') DEFAULT '' NOT NULL; + +# +# tables_priv +# +ALTER TABLE tables_priv + ADD KEY Grantor (Grantor); + +ALTER TABLE tables_priv + MODIFY Host char(255) NOT NULL default '', + MODIFY Db char(64) NOT NULL default '', + MODIFY User char(128) binary NOT NULL default '', + MODIFY Table_name char(64) NOT NULL default '', + MODIFY Grantor varchar(384) COLLATE utf8mb3_bin NOT NULL default '', + ENGINE=Aria, + CONVERT TO CHARACTER SET utf8mb3 COLLATE utf8mb3_bin; + +ALTER TABLE tables_priv + MODIFY Column_priv set('Select','Insert','Update','References') + COLLATE utf8mb3_general_ci DEFAULT '' NOT NULL, + MODIFY Table_priv set('Select','Insert','Update','Delete','Create', + 'Drop','Grant','References','Index','Alter', + 'Create View','Show view','Trigger','Delete versioning rows') + COLLATE utf8mb3_general_ci DEFAULT '' NOT NULL, + COMMENT='Table privileges'; + +# +# columns_priv +# +# +# Name change of Type -> Column_priv from MySQL 3.22.12 +# +ALTER TABLE columns_priv + CHANGE Type Column_priv set('Select','Insert','Update','References') + COLLATE utf8mb3_general_ci DEFAULT '' NOT NULL; + +ALTER TABLE columns_priv + MODIFY Host char(255) NOT NULL default '', + MODIFY Db char(64) NOT NULL default '', + MODIFY User char(128) binary NOT NULL default '', + MODIFY Table_name char(64) NOT NULL default '', + MODIFY Column_name char(64) NOT NULL default '', + ENGINE=Aria, + CONVERT TO CHARACTER SET utf8mb3 COLLATE utf8mb3_bin, + COMMENT='Column privileges'; + +ALTER TABLE columns_priv + MODIFY Column_priv set('Select','Insert','Update','References') + COLLATE utf8mb3_general_ci DEFAULT '' NOT NULL; + +# +# Add the new 'type' column to the func table. +# + +ALTER TABLE func add type enum ('function','aggregate') COLLATE utf8mb3_general_ci NOT NULL; + +# +# Change the user,db and host tables to current format +# + +# Detect whether we had Show_db_priv +SET @hadShowDbPriv:=0; +SELECT @hadShowDbPriv:=1 FROM user WHERE Show_db_priv IS NOT NULL; + +ALTER TABLE user +ADD Show_db_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Alter_priv, +ADD Super_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Show_db_priv, +ADD Create_tmp_table_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Super_priv, +ADD Lock_tables_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Create_tmp_table_priv, +ADD Execute_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Lock_tables_priv, +ADD Repl_slave_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Execute_priv, +ADD Repl_client_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Repl_slave_priv; + +# Convert privileges so that users have similar privileges as before + +UPDATE user SET Show_db_priv= Select_priv, Super_priv=Process_priv, Execute_priv=Process_priv, Create_tmp_table_priv='Y', Lock_tables_priv='Y', Repl_slave_priv=file_priv, Repl_client_priv=File_priv where user<>"" AND @hadShowDbPriv = 0; + + +# Add fields that can be used to limit number of questions and connections +# for some users. + +ALTER TABLE user +ADD max_questions int(11) NOT NULL DEFAULT 0 AFTER x509_subject, +ADD max_updates int(11) unsigned NOT NULL DEFAULT 0 AFTER max_questions, +ADD max_connections int(11) unsigned NOT NULL DEFAULT 0 AFTER max_updates; + + +# +# Add Create_tmp_table_priv and Lock_tables_priv to db and host +# + +ALTER TABLE db +ADD Create_tmp_table_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, +ADD Lock_tables_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL; + +alter table user change max_questions max_questions int(11) unsigned DEFAULT 0 NOT NULL; + + +alter table db comment='Database privileges'; +alter table user comment='Users and global privileges'; +alter table func comment='User defined functions'; + +# Convert all tables to UTF-8 with binary collation +# and reset all char columns to correct width +ALTER TABLE user + MODIFY Host char(255) NOT NULL default '', + MODIFY User char(128) binary NOT NULL default '', + ENGINE=Aria, CONVERT TO CHARACTER SET utf8mb3 COLLATE utf8mb3_bin; + +# In MySQL 5.7.6 the Password column is removed. Recreate it to preserve the number +# of columns MariaDB expects in the user table. +ALTER TABLE user + ADD Password char(41) character set latin1 collate latin1_bin NOT NULL default '' AFTER User; + +# In MySQL the Unix socket authentication plugin has a different name. Thus the +# references to it need to be renamed in the user table. Thanks to the WHERE +# clauses this applies only to MySQL->MariaDB upgrades and nothing else. +UPDATE user + SET plugin='unix_socket' WHERE plugin='auth_socket'; +DELETE FROM plugin + WHERE name='auth_socket'; + +ALTER TABLE user + MODIFY Password char(41) character set latin1 collate latin1_bin NOT NULL default '', + MODIFY Select_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Insert_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Update_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Delete_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Create_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Drop_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Reload_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Shutdown_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Process_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY File_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Grant_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY References_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Index_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Alter_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Show_db_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Super_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Create_tmp_table_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Lock_tables_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Execute_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Repl_slave_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Repl_client_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY ssl_type enum('','ANY','X509', 'SPECIFIED') COLLATE utf8mb3_general_ci DEFAULT '' NOT NULL; + +ALTER TABLE db + MODIFY Host char(255) NOT NULL default '', + MODIFY Db char(64) NOT NULL default '', + MODIFY User char(128) binary NOT NULL default '', + ENGINE=Aria, CONVERT TO CHARACTER SET utf8mb3 COLLATE utf8mb3_bin; +ALTER TABLE db + MODIFY Select_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Insert_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Update_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Delete_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Create_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Drop_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Grant_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY References_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Index_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Alter_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Create_tmp_table_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL, + MODIFY Lock_tables_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL; + + +ALTER TABLE func + ENGINE=Aria, CONVERT TO CHARACTER SET utf8mb3 COLLATE utf8mb3_bin; +ALTER TABLE func + MODIFY type enum ('function','aggregate') COLLATE utf8mb3_general_ci NOT NULL; + +# +# Modify log tables. +# + +SET @old_log_state = @@global.general_log; +SET GLOBAL general_log = 'OFF'; +ALTER TABLE general_log + MODIFY event_time TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, + MODIFY user_host MEDIUMTEXT NOT NULL, + MODIFY server_id INTEGER UNSIGNED NOT NULL, + MODIFY command_type VARCHAR(64) NOT NULL, + MODIFY argument MEDIUMTEXT NOT NULL, + MODIFY thread_id BIGINT(21) UNSIGNED NOT NULL; +SET GLOBAL general_log = @old_log_state; + +SET @old_log_state = @@global.log_slow_query; +SET GLOBAL log_slow_query = 'OFF'; +ALTER TABLE slow_log + ADD COLUMN thread_id BIGINT(21) UNSIGNED NOT NULL AFTER sql_text; +ALTER TABLE slow_log + ADD COLUMN rows_affected BIGINT UNSIGNED NOT NULL AFTER thread_id; +ALTER TABLE slow_log + MODIFY start_time TIMESTAMP(6) NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, + MODIFY user_host MEDIUMTEXT NOT NULL, + MODIFY query_time TIME(6) NOT NULL, + MODIFY lock_time TIME(6) NOT NULL, + MODIFY rows_sent BIGINT UNSIGNED NOT NULL, + MODIFY rows_examined BIGINT UNSIGNED NOT NULL, + MODIFY db VARCHAR(512) NOT NULL, + MODIFY last_insert_id INTEGER NOT NULL, + MODIFY insert_id INTEGER NOT NULL, + MODIFY server_id INTEGER UNSIGNED NOT NULL, + MODIFY sql_text MEDIUMTEXT NOT NULL, + MODIFY thread_id BIGINT(21) UNSIGNED NOT NULL; +SET GLOBAL log_slow_query = @old_log_state; + +ALTER TABLE plugin + MODIFY name varchar(64) COLLATE utf8mb3_general_ci NOT NULL DEFAULT '', + MODIFY dl varchar(128) COLLATE utf8mb3_general_ci NOT NULL DEFAULT '', + CONVERT TO CHARACTER SET utf8mb3 COLLATE utf8mb3_general_ci; + +# +# Detect whether we had Create_view_priv +# +SET @hadCreateViewPriv:=0; +SELECT @hadCreateViewPriv:=1 FROM user WHERE Create_view_priv IS NOT NULL; + +# +# Create VIEWs privileges (v5.0) +# +ALTER TABLE db ADD Create_view_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Lock_tables_priv; +ALTER TABLE db MODIFY Create_view_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Lock_tables_priv; + + +ALTER TABLE user ADD Create_view_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Repl_client_priv; +ALTER TABLE user MODIFY Create_view_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Repl_client_priv; + +# +# Show VIEWs privileges (v5.0) +# +ALTER TABLE db ADD Show_view_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Create_view_priv; +ALTER TABLE db MODIFY Show_view_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Create_view_priv; + +ALTER TABLE user ADD Show_view_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Create_view_priv; +ALTER TABLE user MODIFY Show_view_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Create_view_priv; + +# +# Assign create/show view privileges to people who have create provileges +# +UPDATE user SET Create_view_priv=Create_priv, Show_view_priv=Create_priv where user<>"" AND @hadCreateViewPriv = 0; + +# +# +# +SET @hadCreateRoutinePriv:=0; +SELECT @hadCreateRoutinePriv:=1 FROM user WHERE Create_routine_priv IS NOT NULL; + +# +# Create PROCEDUREs privileges (v5.0) +# +ALTER TABLE db ADD Create_routine_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Show_view_priv; +ALTER TABLE db MODIFY Create_routine_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Show_view_priv; + +ALTER TABLE user ADD Create_routine_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Show_view_priv; +ALTER TABLE user MODIFY Create_routine_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Show_view_priv; + +# +# Alter PROCEDUREs privileges (v5.0) +# +ALTER TABLE db ADD Alter_routine_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Create_routine_priv; +ALTER TABLE db MODIFY Alter_routine_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Create_routine_priv; + +ALTER TABLE user ADD Alter_routine_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Create_routine_priv; +ALTER TABLE user MODIFY Alter_routine_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Create_routine_priv; + +ALTER TABLE db ADD Execute_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Alter_routine_priv; +ALTER TABLE db MODIFY Execute_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Alter_routine_priv; + +# +# Assign create/alter routine privileges to people who have create privileges +# +UPDATE user SET Create_routine_priv=Create_priv, Alter_routine_priv=Alter_priv where user<>"" AND @hadCreateRoutinePriv = 0; +UPDATE db SET Create_routine_priv=Create_priv, Alter_routine_priv=Alter_priv, Execute_priv=Select_priv where user<>"" AND @hadCreateRoutinePriv = 0; + +# +# Add max_user_connections resource limit +# this is signed in MariaDB so that if one sets it's to -1 then the user +# can't connect anymore. +# +ALTER TABLE user ADD max_user_connections int(11) DEFAULT '0' NOT NULL AFTER max_connections; +ALTER TABLE user MODIFY max_user_connections int(11) DEFAULT '0' NOT NULL AFTER max_connections; + +# +# user.Create_user_priv +# + +SET @hadCreateUserPriv:=0; +SELECT @hadCreateUserPriv:=1 FROM user WHERE Create_user_priv IS NOT NULL; + +ALTER TABLE user ADD Create_user_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Alter_routine_priv; +ALTER TABLE user MODIFY Create_user_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Alter_routine_priv; +UPDATE user LEFT JOIN db USING (Host,User) SET Create_user_priv='Y' + WHERE @hadCreateUserPriv = 0 AND + (user.Grant_priv = 'Y' OR db.Grant_priv = 'Y'); + +# +# procs_priv +# + +ALTER TABLE procs_priv + ENGINE=Aria, + CONVERT TO CHARACTER SET utf8mb3 COLLATE utf8mb3_bin; + +ALTER TABLE procs_priv + MODIFY Proc_priv set('Execute','Alter Routine','Grant') + COLLATE utf8mb3_general_ci DEFAULT '' NOT NULL; + +ALTER IGNORE TABLE procs_priv + MODIFY Routine_name char(64) + COLLATE utf8mb3_general_ci DEFAULT '' NOT NULL; + +ALTER TABLE procs_priv + ADD Routine_type enum('FUNCTION','PROCEDURE') + COLLATE utf8mb3_general_ci NOT NULL AFTER Routine_name; + +ALTER TABLE procs_priv + MODIFY Timestamp timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP AFTER Proc_priv; + +# +# proc +# + +# Correct the name fields to not binary, and expand sql_data_access +ALTER TABLE proc MODIFY name char(64) DEFAULT '' NOT NULL, + MODIFY specific_name char(64) DEFAULT '' NOT NULL, + MODIFY sql_data_access + enum('CONTAINS_SQL', + 'NO_SQL', + 'READS_SQL_DATA', + 'MODIFIES_SQL_DATA' + ) DEFAULT 'CONTAINS_SQL' NOT NULL, + MODIFY body longblob NOT NULL, + MODIFY returns longblob NOT NULL, + MODIFY sql_mode + set('REAL_AS_FLOAT', + 'PIPES_AS_CONCAT', + 'ANSI_QUOTES', + 'IGNORE_SPACE', + 'IGNORE_BAD_TABLE_OPTIONS', + 'ONLY_FULL_GROUP_BY', + 'NO_UNSIGNED_SUBTRACTION', + 'NO_DIR_IN_CREATE', + 'POSTGRESQL', + 'ORACLE', + 'MSSQL', + 'DB2', + 'MAXDB', + 'NO_KEY_OPTIONS', + 'NO_TABLE_OPTIONS', + 'NO_FIELD_OPTIONS', + 'MYSQL323', + 'MYSQL40', + 'ANSI', + 'NO_AUTO_VALUE_ON_ZERO', + 'NO_BACKSLASH_ESCAPES', + 'STRICT_TRANS_TABLES', + 'STRICT_ALL_TABLES', + 'NO_ZERO_IN_DATE', + 'NO_ZERO_DATE', + 'INVALID_DATES', + 'ERROR_FOR_DIVISION_BY_ZERO', + 'TRADITIONAL', + 'NO_AUTO_CREATE_USER', + 'HIGH_NOT_PRECEDENCE', + 'NO_ENGINE_SUBSTITUTION', + 'PAD_CHAR_TO_FULL_LENGTH', + 'EMPTY_STRING_IS_NULL', + 'SIMULTANEOUS_ASSIGNMENT', + 'TIME_ROUND_FRACTIONAL' + ) DEFAULT '' NOT NULL, + DEFAULT CHARACTER SET utf8mb3; + +# Correct the character set and collation +# Reset some fields after the conversion +ALTER TABLE proc CONVERT TO CHARACTER SET utf8mb3, + MODIFY db char(64) binary DEFAULT '' NOT NULL, + MODIFY definer varchar(384) binary DEFAULT '' NOT NULL, + MODIFY comment text binary NOT NULL; + +ALTER TABLE proc ADD character_set_client + char(32) collate utf8mb3_bin DEFAULT NULL + AFTER comment; +ALTER TABLE proc MODIFY character_set_client + char(32) collate utf8mb3_bin DEFAULT NULL; + +ALTER TABLE proc MODIFY type enum('FUNCTION', + 'PROCEDURE', + 'PACKAGE', + 'PACKAGE BODY') NOT NULL; + +ALTER TABLE procs_priv MODIFY Routine_type enum('FUNCTION', + 'PROCEDURE', + 'PACKAGE', + 'PACKAGE BODY') NOT NULL; + +SELECT CASE WHEN COUNT(*) > 0 THEN +CONCAT ("WARNING: NULL values of the 'character_set_client' column ('mysql.proc' table) have been updated with a default value (", @@character_set_client, "). Please verify if necessary.") +ELSE NULL +END +AS value FROM proc WHERE character_set_client IS NULL; + +UPDATE proc SET character_set_client = @@character_set_client + WHERE character_set_client IS NULL; + +ALTER TABLE proc ADD collation_connection + char(64) collate utf8mb3_bin DEFAULT NULL + AFTER character_set_client; +ALTER TABLE proc MODIFY collation_connection + char(64) collate utf8mb3_bin DEFAULT NULL; + +SELECT CASE WHEN COUNT(*) > 0 THEN +CONCAT ("WARNING: NULL values of the 'collation_connection' column ('mysql.proc' table) have been updated with a default value (", @@collation_connection, "). Please verify if necessary.") +ELSE NULL +END +AS value FROM proc WHERE collation_connection IS NULL; + +UPDATE proc SET collation_connection = @@collation_connection + WHERE collation_connection IS NULL; + +ALTER TABLE proc ADD db_collation + char(64) collate utf8mb3_bin DEFAULT NULL + AFTER collation_connection; +ALTER TABLE proc MODIFY db_collation + char(64) collate utf8mb3_bin DEFAULT NULL; + +SELECT CASE WHEN COUNT(*) > 0 THEN +CONCAT ("WARNING: NULL values of the 'db_collation' column ('mysql.proc' table) have been updated with default values. Please verify if necessary.") +ELSE NULL +END +AS value FROM proc WHERE db_collation IS NULL; + +UPDATE proc AS p SET db_collation = + ( SELECT DEFAULT_COLLATION_NAME + FROM INFORMATION_SCHEMA.SCHEMATA + WHERE SCHEMA_NAME = p.db) + WHERE db_collation IS NULL; + +ALTER TABLE proc ADD body_utf8 longblob DEFAULT NULL + AFTER db_collation; +ALTER TABLE proc MODIFY body_utf8 longblob DEFAULT NULL; + +# Change comment from char(64) to text +ALTER TABLE proc MODIFY comment + text collate utf8mb3_bin NOT NULL; + +# MDEV-7773: Stored Aggregate Functions +ALTER TABLE proc ADD aggregate enum('NONE', 'GROUP') DEFAULT 'NONE' NOT NULL + AFTER body_utf8; + +# Update definer of Add/DropGeometryColumn procedures to 'mariadb.sys' +# To consider the scenarios in MDEV-23102, only update the definer when it's 'root' +UPDATE proc SET Definer = 'mariadb.sys@localhost' WHERE Definer = 'root@localhost' AND Name = 'AddGeometryColumn'; +UPDATE proc SET Definer = 'mariadb.sys@localhost' WHERE Definer = 'root@localhost' AND Name = 'DropGeometryColumn'; + +# +# EVENT privilege +# +SET @hadEventPriv := 0; +SELECT @hadEventPriv :=1 FROM user WHERE Event_priv IS NOT NULL; + +ALTER TABLE user ADD Event_priv enum('N','Y') character set utf8mb3 DEFAULT 'N' NOT NULL AFTER Create_user_priv; +ALTER TABLE user MODIFY Event_priv enum('N','Y') character set utf8mb3 DEFAULT 'N' NOT NULL AFTER Create_user_priv; + +UPDATE user SET Event_priv=Super_priv WHERE @hadEventPriv = 0; + +ALTER TABLE db ADD Event_priv enum('N','Y') character set utf8mb3 DEFAULT 'N' NOT NULL; +ALTER TABLE db MODIFY Event_priv enum('N','Y') character set utf8mb3 DEFAULT 'N' NOT NULL; + +# +# EVENT table +# +ALTER TABLE event DROP PRIMARY KEY, ADD PRIMARY KEY(db, name); +# Add sql_mode column just in case. +ALTER TABLE event ADD sql_mode set ('IGNORE_BAD_TABLE_OPTIONS') AFTER on_completion; +# Update list of sql_mode values. +ALTER TABLE event MODIFY sql_mode + set('REAL_AS_FLOAT', + 'PIPES_AS_CONCAT', + 'ANSI_QUOTES', + 'IGNORE_SPACE', + 'IGNORE_BAD_TABLE_OPTIONS', + 'ONLY_FULL_GROUP_BY', + 'NO_UNSIGNED_SUBTRACTION', + 'NO_DIR_IN_CREATE', + 'POSTGRESQL', + 'ORACLE', + 'MSSQL', + 'DB2', + 'MAXDB', + 'NO_KEY_OPTIONS', + 'NO_TABLE_OPTIONS', + 'NO_FIELD_OPTIONS', + 'MYSQL323', + 'MYSQL40', + 'ANSI', + 'NO_AUTO_VALUE_ON_ZERO', + 'NO_BACKSLASH_ESCAPES', + 'STRICT_TRANS_TABLES', + 'STRICT_ALL_TABLES', + 'NO_ZERO_IN_DATE', + 'NO_ZERO_DATE', + 'INVALID_DATES', + 'ERROR_FOR_DIVISION_BY_ZERO', + 'TRADITIONAL', + 'NO_AUTO_CREATE_USER', + 'HIGH_NOT_PRECEDENCE', + 'NO_ENGINE_SUBSTITUTION', + 'PAD_CHAR_TO_FULL_LENGTH', + 'EMPTY_STRING_IS_NULL', + 'SIMULTANEOUS_ASSIGNMENT', + 'TIME_ROUND_FRACTIONAL' + ) DEFAULT '' NOT NULL AFTER on_completion; +ALTER TABLE event MODIFY name char(64) CHARACTER SET utf8mb3 NOT NULL default ''; +ALTER TABLE event MODIFY db CHAR(64) CHARACTER SET utf8mb3 COLLATE utf8mb3_bin NOT NULL DEFAULT ''; +ALTER TABLE event MODIFY comment CHAR(64) CHARACTER SET utf8mb3 COLLATE utf8mb3_bin NOT NULL DEFAULT ''; + + +ALTER TABLE event ADD COLUMN originator INT UNSIGNED NOT NULL AFTER comment; +ALTER TABLE event MODIFY COLUMN originator INT UNSIGNED NOT NULL; + +ALTER TABLE event MODIFY COLUMN status ENUM('ENABLED','DISABLED','SLAVESIDE_DISABLED') NOT NULL default 'ENABLED'; + +ALTER TABLE event ADD COLUMN time_zone char(64) CHARACTER SET latin1 + NOT NULL DEFAULT 'SYSTEM' AFTER originator; + +ALTER TABLE event ADD character_set_client + char(32) collate utf8mb3_bin DEFAULT NULL + AFTER time_zone; +ALTER TABLE event MODIFY character_set_client + char(32) collate utf8mb3_bin DEFAULT NULL; + +ALTER TABLE event ADD collation_connection + char(64) collate utf8mb3_bin DEFAULT NULL + AFTER character_set_client; +ALTER TABLE event MODIFY collation_connection + char(64) collate utf8mb3_bin DEFAULT NULL; + +ALTER TABLE event ADD db_collation + char(64) collate utf8mb3_bin DEFAULT NULL + AFTER collation_connection; +ALTER TABLE event MODIFY db_collation + char(64) collate utf8mb3_bin DEFAULT NULL; + +ALTER TABLE event ADD body_utf8 longblob DEFAULT NULL + AFTER db_collation; +ALTER TABLE event MODIFY body_utf8 longblob DEFAULT NULL; + +alter table event MODIFY definer varchar(384) collate utf8mb3_bin NOT NULL DEFAULT ''; + +# Enable event scheduler if the event table was not up to date before. +set global event_scheduler=original; + +# +# TRIGGER privilege +# + +SET @hadTriggerPriv := 0; +SELECT @hadTriggerPriv :=1 FROM user WHERE Trigger_priv IS NOT NULL; + +ALTER TABLE user ADD Trigger_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Event_priv; +ALTER TABLE user MODIFY Trigger_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Event_priv; + +ALTER TABLE db ADD Trigger_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL; +ALTER TABLE db MODIFY Trigger_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL; + +UPDATE user SET Trigger_priv=Super_priv WHERE @hadTriggerPriv = 0; + +# +# user.Create_tablespace_priv +# + +SET @hadCreateTablespacePriv := 0; +SELECT @hadCreateTablespacePriv :=1 FROM user WHERE Create_tablespace_priv IS NOT NULL; + +ALTER TABLE user ADD Create_tablespace_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Trigger_priv; +ALTER TABLE user MODIFY Create_tablespace_priv enum('N','Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER Trigger_priv; + +UPDATE user SET Create_tablespace_priv = Super_priv WHERE @hadCreateTablespacePriv = 0; + +# +# System versioning +# + +ALTER TABLE user change Truncate_versioning_priv Delete_history_priv enum('N','Y') COLLATE utf8mb3_general_ci NOT NULL DEFAULT 'N'; +ALTER TABLE db change Truncate_versioning_priv Delete_history_priv enum('N','Y') COLLATE utf8mb3_general_ci NOT NULL DEFAULT 'N'; + +SET @had_user_delete_history_priv := 0; +SELECT @had_user_delete_history_priv :=1 FROM user WHERE Delete_history_priv IS NOT NULL; + +ALTER TABLE user add Delete_history_priv enum('N','Y') COLLATE utf8mb3_general_ci NOT NULL DEFAULT 'N' after Create_tablespace_priv; +ALTER TABLE user modify Delete_history_priv enum('N','Y') COLLATE utf8mb3_general_ci NOT NULL DEFAULT 'N'; +ALTER TABLE db add Delete_history_priv enum('N','Y') COLLATE utf8mb3_general_ci NOT NULL DEFAULT 'N' after Trigger_priv; +ALTER TABLE db modify Delete_history_priv enum('N','Y') COLLATE utf8mb3_general_ci NOT NULL DEFAULT 'N'; + +UPDATE user SET Delete_history_priv = Super_priv WHERE @had_user_delete_history_priv = 0; + +ALTER TABLE user ADD plugin char(64) CHARACTER SET latin1 DEFAULT '' NOT NULL AFTER max_user_connections, + ADD authentication_string TEXT NOT NULL AFTER plugin; +ALTER TABLE user CHANGE auth_string authentication_string TEXT NOT NULL; + +ALTER TABLE user ADD password_expired ENUM('N', 'Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER authentication_string; +ALTER TABLE user ADD password_last_changed timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP after password_expired; +ALTER TABLE user ADD password_lifetime smallint unsigned DEFAULT NULL after password_last_changed; +ALTER TABLE user ADD account_locked enum('N', 'Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL after password_lifetime; +ALTER TABLE user ADD is_role enum('N', 'Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER account_locked; +ALTER TABLE user ADD default_role char(128) binary DEFAULT '' NOT NULL AFTER is_role; +ALTER TABLE user ADD max_statement_time decimal(12,6) DEFAULT 0 NOT NULL AFTER default_role; + +-- Somewhere above, we ran ALTER TABLE user .... CONVERT TO CHARACTER SET utf8mb3 COLLATE utf8mb3_bin. +-- we want password_expired column to have collation utf8mb3_general_ci. +-- Order columns correctly that were not ordered until MDEV-23201 (ff8ffef3e1915d7a9caa07d9461cd8d47c4baf98) + +ALTER TABLE user MODIFY plugin char(64) CHARACTER SET latin1 DEFAULT '' NOT NULL AFTER max_user_connections, + MODIFY authentication_string TEXT NOT NULL AFTER plugin, + MODIFY password_expired ENUM('N', 'Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER authentication_string, + MODIFY is_role enum('N', 'Y') COLLATE utf8mb3_general_ci DEFAULT 'N' NOT NULL AFTER password_expired, + MODIFY default_role char(80) binary DEFAULT '' NOT NULL AFTER is_role, + MODIFY max_statement_time decimal(12,6) DEFAULT 0 NOT NULL AFTER default_role, +-- MDEV-24122 formerly mysql5.7 users may have the following columns password_last_changed, +-- password_lifetime and account_locked. Ensure they are beyond the end of the user columns +-- used by MariaDB. MariaDB-10.4 will use these in the creation of mysql.global_priv. +-- password_last_changed has a DEFAULT/ON UPDATE of CURRENT_TIMESTAMP to keep track of +-- time until 10.4 added. + MODIFY IF EXISTS password_last_changed timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP AFTER max_statement_time, + MODIFY IF EXISTS password_lifetime smallint unsigned DEFAULT NULL AFTER password_last_changed, + MODIFY IF EXISTS account_locked enum('N', 'Y') CHARACTER SET utf8mb3 DEFAULT 'N' NOT NULL after password_lifetime; + +-- Checking for any duplicate hostname and username combination are exists. +-- If exits we will throw error. +DELIMITER // +BEGIN NOT ATOMIC + SET @duplicate_hosts=(SELECT count(*) FROM mysql.user GROUP BY user, lower(host) HAVING count(*) > 1 LIMIT 1); + IF @duplicate_hosts > 1 THEN + SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT = 'Multiple accounts exist for @user_name, @host_name that differ only in Host lettercase; remove all except one of them'; + END IF; +END // +DELIMITER ; +-- Get warnings (if any) +SHOW WARNINGS; + +# Convering the host name to lower case for existing users +UPDATE user SET host=LOWER( host ) WHERE LOWER( host ) <> host; + +DELIMITER // +if @have_innodb then + # fix bad data when upgrading from unfixed InnoDB (MDEV-13360) + delete from innodb_index_stats where length(table_name) > 64; + delete from innodb_table_stats where length(table_name) > 64; + + # update table_name and timestamp fields in the innodb stat tables + alter table innodb_index_stats modify last_update timestamp not null default current_timestamp on update current_timestamp, modify table_name varchar(199); + alter table innodb_table_stats modify last_update timestamp not null default current_timestamp on update current_timestamp, modify table_name varchar(199); + + alter table innodb_index_stats drop foreign key if exists innodb_index_stats_ibfk_1; +end if // +DELIMITER ; + +# MDEV-4332 longer user names +alter table user modify User char(128) binary not null default ''; +alter table db modify User char(128) binary not null default ''; +alter table tables_priv modify User char(128) binary not null default ''; +alter table columns_priv modify User char(128) binary not null default ''; +alter table procs_priv modify User char(128) binary not null default ''; +alter table proc modify definer varchar(384) collate utf8mb3_bin not null default ''; +alter table proxies_priv modify User char(128) COLLATE utf8mb3_bin not null default ''; +alter table proxies_priv modify Proxied_user char(128) COLLATE utf8mb3_bin not null default ''; +alter table proxies_priv modify Grantor varchar(384) COLLATE utf8mb3_bin not null default ''; +alter table servers modify Username char(128) not null default ''; +alter table procs_priv modify Grantor varchar(384) COLLATE utf8mb3_bin not null default ''; +alter table tables_priv modify Grantor varchar(384) COLLATE utf8mb3_bin not null default ''; + +# Activate the new, possible modified privilege tables +# This should not be needed, but gives us some extra testing that the above +# changes was correct + +flush privileges; + +-- +-- Upgrade help tables +-- + +ALTER TABLE help_category MODIFY url TEXT NOT NULL; +ALTER TABLE help_topic MODIFY url TEXT NOT NULL; + +DELIMITER // +IF 'BASE TABLE' = (select table_type from information_schema.tables where table_schema=database() and table_name='user') THEN + CREATE TABLE IF NOT EXISTS global_priv (Host char(255) binary DEFAULT '', User char(128) binary DEFAULT '', Priv JSON NOT NULL DEFAULT '{}' CHECK(JSON_VALID(Priv)), PRIMARY KEY Host (Host,User)) engine=Aria transactional=1 CHARACTER SET utf8mb3 COLLATE utf8mb3_bin comment='Users and global privileges' + SELECT Host, User, JSON_COMPACT(JSON_OBJECT('access', + 1*('Y'=Select_priv)+ + 2*('Y'=Insert_priv)+ + 4*('Y'=Update_priv)+ + 8*('Y'=Delete_priv)+ + 16*('Y'=Create_priv)+ + 32*('Y'=Drop_priv)+ + 64*('Y'=Reload_priv)+ + 128*('Y'=Shutdown_priv)+ + 256*('Y'=Process_priv)+ + 512*('Y'=File_priv)+ + 1024*('Y'=Grant_priv)+ + 2048*('Y'=References_priv)+ + 4096*('Y'=Index_priv)+ + 8192*('Y'=Alter_priv)+ + 16384*('Y'=Show_db_priv)+ + 32768*('Y'=Super_priv)+ + 65536*('Y'=Create_tmp_table_priv)+ + 131072*('Y'=Lock_tables_priv)+ + 262144*('Y'=Execute_priv)+ + 524288*('Y'=Repl_slave_priv)+ + 1048576*('Y'=Repl_client_priv)+ + 2097152*('Y'=Create_view_priv)+ + 4194304*('Y'=Show_view_priv)+ + 8388608*('Y'=Create_routine_priv)+ + 16777216*('Y'=Alter_routine_priv)+ + 33554432*('Y'=Create_user_priv)+ + 67108864*('Y'=Event_priv)+ + 134217728*('Y'=Trigger_priv)+ + 268435456*('Y'=Create_tablespace_priv)+ + 536870912*('Y'=Delete_history_priv), + 'ssl_type', ssl_type-1, + 'ssl_cipher', ssl_cipher, + 'x509_issuer', x509_issuer, + 'x509_subject', x509_subject, + 'max_questions', max_questions, + 'max_updates', max_updates, + 'max_connections', max_connections, + 'max_user_connections', max_user_connections, + 'max_statement_time', max_statement_time, + 'plugin', if(plugin>'',plugin,if(length(password)=16,'mysql_old_password','mysql_native_password')), + 'authentication_string', if(plugin>'' and authentication_string>'',authentication_string,password), + 'password_last_changed', if(password_expired='Y', 0, if(password_last_changed, UNIX_TIMESTAMP(password_last_changed), UNIX_TIMESTAMP())), + 'password_lifetime', ifnull(password_lifetime, -1), + 'account_locked', 'Y'=account_locked, + 'default_role', default_role, + 'is_role', 'Y'=is_role)) as Priv + FROM user; + DROP TABLE user; +END IF// + +IF 1 = (SELECT count(*) FROM information_schema.VIEWS WHERE TABLE_CATALOG = 'def' and TABLE_SCHEMA = 'mysql' and TABLE_NAME='user' and (DEFINER = 'root@localhost' or (DEFINER = 'mariadb.sys@localhost' and VIEW_DEFINITION LIKE "%'N' AS `password_expired`%"))) THEN + DROP VIEW IF EXISTS mysql.user; +END IF// + +DELIMITER ; + +# MDEV-22683 - upgrade Host and Owner of servers +ALTER TABLE servers + MODIFY Host varchar(2048) NOT NULL DEFAULT '', + MODIFY Owner varchar(512) NOT NULL DEFAULT ''; |