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File: utf8mb4-conversion-02.sql
-- -- Step 2 of the UTF-8 Multibyte (utf8mb4) conversion for MySQL -- -- Enlarge some database columns to avoid data losses, then convert all tables -- to utf8mb4 or utf8, then set default character sets and collations for all -- tables, then add back indexes previosly dropped with step 1, -- utf8mb4-conversion-01.sql, but addd them back with limited lenghts of -- columns. -- -- Do not rename this file or any other of the utf8mb4-conversion-*.sql -- files unless you want to change PHP code, too. -- -- IMPORTANT: When adding an index modification to this file for limiting the -- length by which one or more columns go into that index, -- -- 1. remember to add the statement to drop the index to the file for step 1, -- utf8mb4-conversion-01.sql, and -- -- 2. check if the index is created created or modified in some old schema -- update sql in an "ALTER TABLE" statement and limit the column length -- there, too ("CREATE TABLE" is ok, no need to modify those). -- -- This file here will the be processed with reporting exceptions, in opposite -- to the file for step 1. -- -- -- Step 2.1: Enlarge columns to avoid data loss on later conversion to utf8mb4 -- ALTER TABLE `#__banners` MODIFY `alias` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__banners` MODIFY `metakey_prefix` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__categories` MODIFY `path` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__categories` MODIFY `alias` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__content_types` MODIFY `type_alias` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__finder_links` MODIFY `title` varchar(400) DEFAULT NULL; ALTER TABLE `#__contact_details` MODIFY `alias` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__content` MODIFY `alias` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__menu` MODIFY `alias` varchar(400) NOT NULL COMMENT 'The SEF alias of the menu item.'; ALTER TABLE `#__newsfeeds` MODIFY `alias` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__tags` MODIFY `path` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__tags` MODIFY `alias` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__ucm_content` MODIFY `core_type_alias` varchar(400) NOT NULL DEFAULT '' COMMENT 'FK to the content types table'; ALTER TABLE `#__ucm_content` MODIFY `core_title` varchar(400) NOT NULL; ALTER TABLE `#__ucm_content` MODIFY `core_alias` varchar(400) NOT NULL DEFAULT ''; ALTER TABLE `#__users` MODIFY `name` varchar(400) NOT NULL DEFAULT ''; -- -- Step 2.2: Convert all tables to utf8mb4 chracter set with utf8mb4_unicode_ci collation -- except #__finder_xxx tables, those will have utf8mb4_general_ci collation. -- Note: The database driver for mysql will change utf8mb4 to utf8 if utf8mb4 is not supported -- ALTER TABLE `#__assets` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__associations` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__banners` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__banner_clients` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__banner_tracks` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__categories` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__contact_details` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__content` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__content_frontpage` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__content_rating` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__content_types` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__contentitem_tag_map` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__core_log_searches` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__extensions` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__finder_filters` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms0` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms1` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms2` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms3` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms4` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms5` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms6` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms7` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms8` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms9` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termsa` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termsb` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termsc` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termsd` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termse` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termsf` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_taxonomy` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_taxonomy_map` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_terms` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_terms_common` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_tokens` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_tokens_aggregate` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_types` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__languages` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__menu` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__menu_types` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__messages` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__messages_cfg` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__modules` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__modules_menu` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__newsfeeds` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__overrider` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__postinstall_messages` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__redirect_links` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__schemas` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__session` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__tags` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__template_styles` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__ucm_base` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__ucm_content` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__ucm_history` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__updates` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__update_sites` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__update_sites_extensions` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__usergroups` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__users` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__user_keys` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__user_notes` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__user_profiles` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__user_usergroup_map` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__utf8_conversion` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__viewlevels` CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; -- -- Step 2.3: Set collation to utf8mb4_bin for formerly utf8_bin collated columns -- and for the lang_code column of the languages table -- ALTER TABLE `#__banners` MODIFY `alias` varchar(400) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT ''; ALTER TABLE `#__categories` MODIFY `alias` varchar(400) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT ''; ALTER TABLE `#__contact_details` MODIFY `alias` varchar(400) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT ''; ALTER TABLE `#__content` MODIFY `alias` varchar(400) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT ''; ALTER TABLE `#__languages` MODIFY `lang_code` char(7) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL; ALTER TABLE `#__menu` MODIFY `alias` varchar(400) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL COMMENT 'The SEF alias of the menu item.'; ALTER TABLE `#__newsfeeds` MODIFY `alias` varchar(400) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT ''; ALTER TABLE `#__tags` MODIFY `alias` varchar(400) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT ''; ALTER TABLE `#__ucm_content` MODIFY `core_alias` varchar(400) CHARACTER SET utf8mb4 COLLATE utf8mb4_bin NOT NULL DEFAULT ''; -- -- Step 2.4: Set default character set and collation for all tables -- ALTER TABLE `#__assets` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__associations` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__banners` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__banner_clients` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__banner_tracks` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__categories` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__contact_details` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__content` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__content_frontpage` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__content_rating` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__content_types` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__contentitem_tag_map` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__core_log_searches` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__extensions` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__finder_filters` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms0` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms1` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms2` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms3` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms4` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms5` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms6` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms7` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms8` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_terms9` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termsa` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termsb` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termsc` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termsd` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termse` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_links_termsf` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_taxonomy` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_taxonomy_map` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_terms` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_terms_common` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_tokens` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_tokens_aggregate` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__finder_types` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; ALTER TABLE `#__languages` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__menu` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__menu_types` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__messages` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__messages_cfg` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__modules` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__modules_menu` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__newsfeeds` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__overrider` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__postinstall_messages` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__redirect_links` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__schemas` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__session` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__tags` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__template_styles` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__ucm_base` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__ucm_content` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__ucm_history` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__updates` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__update_sites` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__update_sites_extensions` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__usergroups` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__users` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__user_keys` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__user_notes` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__user_profiles` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__user_usergroup_map` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__utf8_conversion` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; ALTER TABLE `#__viewlevels` DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci; -- -- Step 2.5: Limit indexes to first 100 so their max allowed lengths would not get exceeded with utf8mb4 -- ALTER TABLE `#__banners` ADD KEY `idx_metakey_prefix` (`metakey_prefix`(100)); ALTER TABLE `#__banner_clients` ADD KEY `idx_metakey_prefix` (`metakey_prefix`(100)); ALTER TABLE `#__categories` ADD KEY `idx_path` (`path`(100)); ALTER TABLE `#__categories` ADD KEY `idx_alias` (`alias`(100)); ALTER TABLE `#__content_types` ADD KEY `idx_alias` (`type_alias`(100)); ALTER TABLE `#__finder_links` ADD KEY `idx_title` (`title`(100)); ALTER TABLE `#__menu` ADD KEY `idx_alias` (`alias`(100)); ALTER TABLE `#__menu` ADD UNIQUE `idx_client_id_parent_id_alias_language` (`client_id`,`parent_id`,`alias`(100),`language`); ALTER TABLE `#__menu` ADD KEY `idx_path` (`path`(100)); ALTER TABLE `#__redirect_links` ADD KEY `idx_old_url` (`old_url`(100)); ALTER TABLE `#__tags` ADD KEY `idx_path` (`path`(100)); ALTER TABLE `#__tags` ADD KEY `idx_alias` (`alias`(100)); ALTER TABLE `#__ucm_content` ADD KEY `idx_alias` (`core_alias`(100)); ALTER TABLE `#__ucm_content` ADD KEY `idx_title` (`core_title`(100)); ALTER TABLE `#__ucm_content` ADD KEY `idx_content_type` (`core_type_alias`(100)); ALTER TABLE `#__users` ADD KEY `idx_name` (`name`(100));
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