mysql 報錯 Batch update returned unexpected row count from update [0]
今天在跟進站點訪問量代碼的時候，出現瞭如圖的錯誤： 百度之後發現該錯誤的原因是因爲在執行saveOrUpdate修改數據庫數據時，根據條件檢索到多條數據，如圖所示， UPDATE 表 SET 字段 = val WHERE 條件 ,根據where條件能檢索到兩條以上的數據，那麼執行update便會報錯 Batch update returned unexpected row
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