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Nieuws archieven Fout tijdens MySQL query:
SELECT MONTH(firstpost.post_time) AS month, COUNT(*) AS count, YEAR(firstpost.post_time) AS year FROM board_topics LEFT JOIN board_posts AS firstpost ON firstpost.id=firstpost_id WHERE ack > 0 AND board_topics.forum_id = 3 AND YEAR(firstpost.post_time) = 2002 GROUP BY month ORDER BY month
Expression #3 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'Lindeijer.firstpost.post_time' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by |
