【转】MySQL group by后的结果将每组某VARCHAR字段字符串连接起来

select goods_id ,concat (",",GROUP_CONCAT(optiona_id),",") from `lux_product_goods_property_val` group by goods_id
https://blog.csdn.net/zjutke/article/details/53639836

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原文链接：https://blog.csdn.net/wangyanlong0107/article/details/84919493