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Gluo88
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/* debugging I was able to complete the above SQL query as seen in https://quarry.wmcloud.org/history/84807/911494/884555. However, when I run the same query again at https://quarry.wmcloud.org/query/84807. I got the error "OperationalError('table resultsets already exists')". How should I fix the error? I guess that resultsets may be a temporary table that was produced in running my previous SQL query. -- Check the current read-only status SHOW GLOBAL VARIABLES LIKE 'read_only'; -- Disable read-only mode SET GLOBAL read_only = OFF; -- Perform your operations DROP TABLE IF EXISTS resultsets; -- Re-enable read-only mode if needed SET GLOBAL read_only = ON; */ -- USE zhwiki_p; -- Check the current read-only status SHOW GLOBAL VARIABLES LIKE 'read_only'; -- SHOW TABLES FROM zhwiki_p; -- SHOW TABLES FROM zhwiki_p; SELECT a.actor_name, COUNT(*) as count_total FROM page p, revision rf, actor_user a WHERE rf.rev_page = p.page_id AND rf.rev_parent_id = 0 AND a.actor_id = rf.rev_actor AND p.page_namespace = 0 AND p.page_is_redirect = 0 GROUP BY a.actor_name ORDER BY count_total desc ; SELECT a.actor_name, COUNT(*) as count_12m FROM page p, revision rf, actor_user a WHERE rf.rev_timestamp >= DATE_SUB(now(), INTERVAL 12 MONTH) AND rf.rev_page = p.page_id AND rf.rev_parent_id = 0 AND a.actor_id = rf.rev_actor AND p.page_namespace = 0 AND p.page_is_redirect = 0 GROUP BY a.actor_name ORDER BY count_12m desc ; -- SHOW COLUMNS FROM resultsets;
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