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phpBB Discussion • Re: Digital Ocean hosting

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Last issue with MySQL is solved by renaming all tables and adding a prefix. There is a table "groups" which is a reserved word and it causes sql query to crash.

Below are queries that I used and I will post them here in case someone else encounters same issues.


To generate sql query that will rename all tables in selected database you can use query below:

Code:

SET group_concat_max_len = 6144;SELECT CONCAT('RENAME TABLE ', GROUP_CONCAT('`', TABLE_SCHEMA, '`.`', TABLE_NAME, '` TO `', TABLE_SCHEMA, '`.`prefix_', TABLE_NAME, '`')) AS qFROM `information_schema`.`Tables` WHERE TABLE_SCHEMA='db name';
To add primary key to phpbb columns that do not have it you can use following query (solves issue with DIgital Ocean requirement that all tables must have primary key):

Code:

ALTER TABLE phpbb.password_resets ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.acl_groups ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.acl_users ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.captcha_answers ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.ext ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.forums_watch ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.login_attempts ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.moderator_cache ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.oauth_states ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.oauth_tokens ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.poll_options ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.poll_votes ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.privmsgs_to ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.search_wordmatch ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.topics_watch ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.user_group ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;ALTER TABLE phpbb.user_notifications ADD COLUMN `my_id` int(10) UNSIGNED PRIMARY KEY AUTO_INCREMENT;

To get list of tables without primary key you can use this query:

Code:

SELECT    tab.table_schema AS database_name,    tab.table_name AS table_name,    tab.table_rows AS table_rows    FROM information_schema.tables tab    LEFT JOIN information_schema.table_constraints tco    ON (tab.table_schema = tco.table_schema    AND tab.table_name = tco.table_name    AND tco.constraint_type = 'PRIMARY KEY')    WHERE    tab.table_schema NOT IN ('mysql', 'information_schema', 'performance_schema', 'sys')    AND tco.constraint_type IS NULL    AND tab.table_type = 'BASE TABLE';

At the moment tables without primary keys are following ones:

Code:

+---------------+--------------------+------------+| database_name | table_name         | table_rows |+---------------+--------------------+------------+| phpbb         | acl_groups         |        129 || phpbb         | acl_users          |         10 || phpbb         | captcha_answers    |         18 || phpbb         | ext                |          2 || phpbb         | forums_watch       |          7 || phpbb         | login_attempts     |          0 || phpbb         | moderator_cache    |          4 || phpbb         | oauth_states       |          0 || phpbb         | oauth_tokens       |          0 || phpbb         | poll_options       |         19 || phpbb         | poll_votes         |         52 || phpbb         | privmsgs_to        |       3296 || phpbb         | search_wordmatch   |      38746 || phpbb         | topics_watch       |       1188 || phpbb         | user_group         |       3158 || phpbb         | user_notifications |      12719 |+---------------+--------------------+------------+16 rows in set (0.02 sec)

Statistics: Posted by BlueyeNS — Thu Sep 26, 2024 4:46 pm



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