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試圖與下面的查詢WordPress的MySQL查詢不能與CONCAT創建視圖,並像
SELECT * from wp_posts AS vender
LEFT OUTER
JOIN wp_postmeta AS vender_campaign ON vender_campaign.meta_key = 'vender'
AND vender_campaign.meta_value LIKE CONCAT('%"',vender.ID,'"%')
WHERE vender.post_status = 'publish' AND vender.post_type = 'vender'
但收到錯誤創建視圖:
Illegal mix of collations (utf8mb4_unicode_ci, IMPLICIT) and (utf8mb4_general_ci, IMPLICIT) for operation 'like'
但如果我執行在phpMyAdmin窗口此查詢它工作正常。
任何想法是什麼問題?
我只是cheked和兩個表具有相同的編碼,默認的字符集= utf8mb4 COLLATE = utf8mb4_unicode_ci – hemant
嘗試的單層表而不加入SELECT * FROM wp_postmeta AS vender_campaign其中vender_campaign.meta_key = '賣主' AND vender_campaign .meta_value LIKE CONCAT('%'',360,''%')仍然會出現相同的錯誤 – hemant
我想解決你的問題的關鍵是找到utf8mb4_general_ci(注意一般)來自哪裏。 也許你在concat中輸入的字符串會得到它,如果表格不是......但是,我只是猜測。 –